NAICS Codes by Business Activity: D
903 business activities
| Business activity | NAICS code | Size standard |
|---|---|---|
| Dairy cattle farming | 112120 Dairy Cattle and Milk Production | $3.8 million in average annual receipts |
| Dairy cattle feeds supplements, concentrates, and premixes, manufacturing | 311119 Other Animal Food Manufacturing | 650 employees |
| Dairy depots merchant wholesalers | 424430 Dairy Product (except Dried or Canned) Merchant Wholesalers | 200 employees |
| Dairy food canning | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Dairy goat farming | 112420 Goat Farming | $2.5 million in average annual receipts |
| Dairy heifer replacement production | 112111 Beef Cattle Ranching and Farming | $2.5 million in average annual receipts |
| Dairy herd consulting services | 541690 Other Scientific and Technical Consulting Services | $19 million in average annual receipts |
| Dairy herd improvement associations | 115210 Support Activities for Animal Production | $11 million in average annual receipts |
| Dairy product stores | 445299 All Other Specialty Food Stores | $9 million in average annual receipts |
| Dairy products (except canned, dried) merchant wholesalers | 424430 Dairy Product (except Dried or Canned) Merchant Wholesalers | 200 employees |
| Dairy products, dried or canned, merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Dairy products, frozen, merchant wholesalers | 424430 Dairy Product (except Dried or Canned) Merchant Wholesalers | 200 employees |
| Dairy sheep farming | 112410 Sheep Farming | $3.5 million in average annual receipts |
| Dam construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Dam gates, metal plate, manufacturing | 332312 Fabricated Structural Metal Manufacturing | 500 employees |
| Damper operators (e.g., electric, pneumatic, thermostatic) manufacturing | 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use | 650 employees |
| Dampers, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Dampproofing contractors | 238390 Other Building Finishing Contractors | $19 million in average annual receipts |
| Dance bands | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Dance centers, aerobic | 713940 Fitness and Recreational Sports Centers | $17.5 million in average annual receipts |
| Dance companies | 711120 Dance Companies | $18 million in average annual receipts |
| Dance festival managers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Dance festival managers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Dance festival organizers with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Dance festival organizers without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Dance festival promoters with facilities | 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities | $40 million in average annual receipts |
| Dance festival promoters without facilities | 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities | $22 million in average annual receipts |
| Dance hall rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Dance halls | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Dance instruction | 611610 Fine Arts Schools | $9 million in average annual receipts |
| Dance productions, live theatrical | 711120 Dance Companies | $18 million in average annual receipts |
| Dance schools | 611610 Fine Arts Schools | $9 million in average annual receipts |
| Dance studios | 611610 Fine Arts Schools | $9 million in average annual receipts |
| Dance theaters | 711120 Dance Companies | $18 million in average annual receipts |
| Dance therapists' offices (e.g., centers, clinics) | 621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists | $12.5 million in average annual receipts |
| Dance troupes | 711120 Dance Companies | $18 million in average annual receipts |
| Dancers, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Darning thread (e.g., cotton, manmade fibers, silk, wool) manufacturing | 313110 Fiber, Yarn, and Thread Mills | 1,250 employees |
| Dart guns manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Darts and dart games manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Data capture imaging services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Data communications equipment (e.g., bridges, gateways, routers) manufacturing | 334210 Telephone Apparatus Manufacturing | 1,250 employees |
| Data entry services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Data loggers, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Data processing computer services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Data processing facilities (i.e., clients' facilities) management and operation services | 541513 Computer Facilities Management Services | $37 million in average annual receipts |
| Data processing machines, computer, merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Data processing services (except payroll services, financial transaction processing services) | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Databases commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Databases flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Databases lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Databases printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Databases screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Date farming | 111339 Other Noncitrus Fruit Farming | $3.5 million in average annual receipts |
| Date stamps, hand operated, manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Dates, dried, made in dehydration plant | 311423 Dried and Dehydrated Food Manufacturing | 750 employees |
| Dates, sugared and stuffed, manufacturing | 311340 Nonchocolate Confectionery Manufacturing | 1,000 employees |
| Dating devices and machines (except rubber stamps) manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Dating services | 812990 All Other Personal Services | $15 million in average annual receipts |
| Davits manufacturing | 333923 Overhead Traveling Crane, Hoist, and Monorail System Manufacturing | 1,250 employees |
| Day care centers for disabled persons, the elderly, and persons diagnosed with intellectual and developmental disabilities | 624120 Services for the Elderly and Persons with Disabilities | $15 million in average annual receipts |
| Day care centers, adult | 624120 Services for the Elderly and Persons with Disabilities | $15 million in average annual receipts |
| Day care centers, child or infant | 624410 Child Care Services | $9.5 million in average annual receipts |
| Day care services, child or infant | 624410 Child Care Services | $9.5 million in average annual receipts |
| Day spas | 812199 Other Personal Care Services | $9 million in average annual receipts |
| DCs' (doctors of chiropractic) offices (e.g., centers, clinics) | 621310 Offices of Chiropractors | $9 million in average annual receipts |
| DDSs' (doctors of dental surgery) offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| DDT (dichlorodiphenyltrichloroethane) insecticides manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| DEA (Drug Enforcement Administration) | 922120 Police Protection | — |
| Dead bolts, metal, manufacturing | 332510 Hardware Manufacturing | 750 employees |
| Debt collection services | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Deburring machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Decade boxes (i.e., capacitance, inductance, resistance) manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Decahydronaphthalene manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Decalcomania on china and glass for the trade | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Decalcomania work (except on china, glass) | 339999 All Other Miscellaneous Manufacturing | 550 employees |
| Deck and grate (except roof), metal, installation | 238190 Other Foundation, Structure, and Building Exterior Contractors | $19 million in average annual receipts |
| Deck construction, residential-type | 238350 Finish Carpentry Contractors | $19 million in average annual receipts |
| Decorated glassware made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Decorating china (e.g., encrusting gold, silver, other metal on china) for the trade | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Decorating consulting services, interior | 541410 Interior Design Services | $9 million in average annual receipts |
| Decorative area lighting fixtures (except residential) manufacturing | 335129 Other Lighting Equipment Manufacturing | 500 employees |
| Decorative area lighting fixtures, residential, manufacturing | 335121 Residential Electric Lighting Fixture Manufacturing | 750 employees |
| Decorative art museums | 712110 Museums | $34 million in average annual receipts |
| Decorative glass and mirror installation | 238150 Glass and Glazing Contractors | $19 million in average annual receipts |
| Decorative glassware made in glass making plants | 327212 Other Pressed and Blown Glass and Glassware Manufacturing | 1,250 employees |
| Decorative lamp bulbs manufacturing | 335110 Electric Lamp Bulb and Part Manufacturing | 1,250 employees |
| Decorative steel and wrought iron work installation | 238190 Other Foundation, Structure, and Building Exterior Contractors | $19 million in average annual receipts |
| Decorative stitching contractors on apparel | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Decorative stitching on textile articles and apparel | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Decorative wood moldings (e.g., base, chair rail, crown, shoe) manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Decorticating flax | 115114 Postharvest Crop Activities (except Cotton Ginning) | $34 million in average annual receipts |
| Deep sea freight transportation to or from domestic ports (including Puerto Rico) | 483113 Coastal and Great Lakes Freight Transportation | 800 employees |
| Deep sea freight transportation to or from foreign ports | 483111 Deep Sea Freight Transportation | 1,050 employees |
| Deep sea passenger transportation to and from domestic ports (including Puerto Rico) | 483114 Coastal and Great Lakes Passenger Transportation | 550 employees |
| Deep sea passenger transportation to or from foreign ports | 483112 Deep Sea Passenger Transportation | 1,500 employees |
| Deep-fat fryers, commercial-type, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Deep-fat fryers, household-type electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Deer production | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Defibrilators manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Defluorinated phosphates manufacturing | 325312 Phosphatic Fertilizer Manufacturing | 1,350 employees |
| Defoamers and antifoaming agents manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Defoliants manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Degreasing preparations for machinery parts manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Degreasing preparations, household-type, manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Dehumidifiers (except portable electric) manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Dehumidifiers, portable electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Dehydrated milk manufacturing | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Dehydrating fruits and vegetables | 311423 Dried and Dehydrated Food Manufacturing | 750 employees |
| Dehydrating potato products (e.g., flakes, granules) | 311423 Dried and Dehydrated Food Manufacturing | 750 employees |
| Deicing preparations manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Deinking plants | 322110 Pulp Mills | 1,050 employees |
| Deinking recovered paper | 322110 Pulp Mills | 1,050 employees |
| Delicatessen restaurants | 722513 Limited-Service Restaurants | $13.5 million in average annual receipts |
| Delicatessen scales manufacturing | 333997 Scale and Balance Manufacturing | 500 employees |
| Delicatessens (except grocery store, restaurants) | 445210 Meat Markets | $8 million in average annual receipts |
| Delicatessens primarily retailing a range of grocery items and meats | 445110 Supermarkets and Other Grocery Retailers (except Convenience Retailers) | $40 million in average annual receipts |
| Delinquent account collection services | 561440 Collection Agencies | $19.5 million in average annual receipts |
| Delinquent youth halfway group homes | 623990 Other Residential Care Facilities | $16 million in average annual receipts |
| Delinting cottonseed | 115114 Postharvest Crop Activities (except Cotton Ginning) | $34 million in average annual receipts |
| Delivery cases made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Delivery service (except as part of intercity carrier network, U.S. Postal Service) | 492210 Local Messengers and Local Delivery | $34 million in average annual receipts |
| Demand meters, electric, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Demographic research and development services | 541720 Research and Development in the Social Sciences and Humanities | $28 million in average annual receipts |
| Demolition contractor | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Demolition, building and structure | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Demonstration services, merchandise | 541890 Other Services Related to Advertising | $19 million in average annual receipts |
| Demountable cargo containers manufacturing | 336212 Truck Trailer Manufacturing | 1,000 employees |
| Denatured alcohol manufacturing | 325193 Ethyl Alcohol Manufacturing | 1,000 employees |
| Denims weaving | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Densified wood manufacturing | 321219 Reconstituted Wood Product Manufacturing | 750 employees |
| Densitometers (except laboratory analytical) manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Densitometers, laboratory analytical, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Density and specific gravity instruments, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Dental alloys for amalgams manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental chairs manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental chairs merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Dental equipment and instruments manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental equipment and supplies merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Dental equipment repair and maintenance services | 811219 Other Electronic and Precision Equipment Repair and Maintenance | $22 million in average annual receipts |
| Dental floss manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Dental glues and cements manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental hand instruments (e.g., forceps) manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental hygienist schools | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Dental hygienists' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Dental impression materials manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental instrument delivery systems manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental insurance carriers, direct | 524114 Direct Health and Medical Insurance Carriers | $47 million in average annual receipts |
| Dental laboratories | 339116 Dental Laboratories | 500 employees |
| Dental laboratory equipment manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental research and development laboratories or services | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | 1,000 employees |
| Dental schools | 611310 Colleges, Universities, and Professional Schools | $34.5 million in average annual receipts |
| Dental surgeons' offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| Dental technician schools | 611519 Other Technical and Trade Schools | $21 million in average annual receipts |
| Dental wax manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dental X-ray laboratories | 621512 Diagnostic Imaging Centers | $19 million in average annual receipts |
| Dentifrices manufacturing | 325611 Soap and Other Detergent Manufacturing | 1,100 employees |
| Dentifrices merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Dentists' associations | 813920 Professional Organizations | $23.5 million in average annual receipts |
| Dentists' offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| Dentists' professional supplies merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Denture adhesives manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Denture cleaners, effervescent, manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Denture materials manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Dentures, custom made in dental laboratories | 339116 Dental Laboratories | 500 employees |
| Denturists' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Deodorant servicing of rest rooms | 561720 Janitorial Services | $22 million in average annual receipts |
| Deodorants (except personal) manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Deodorants (except personal) merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Deodorants, personal, manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Deodorants, personal, merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Deodorization (i.e., air filtration) system installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Deodorizing services | 561720 Janitorial Services | $22 million in average annual receipts |
| Department stores (except discount department stores) | 452210 Department Stores | $35 million in average annual receipts |
| Department stores, discount | 452112 Discount Department Stores | — |
| Depilatory (i.e., hair removal) salons | 812199 Other Personal Care Services | $9 million in average annual receipts |
| Depilatory preparations manufacturing | 325620 Toilet Preparation Manufacturing | 1,250 employees |
| Depolishing metals and metal products for the trade | 332813 Electroplating, Plating, Polishing, Anodizing, and Coloring | 500 employees |
| Deposit brokers | 523999 Miscellaneous Financial Investment Activities | $47 million in average annual receipts |
| Deposit or share insurance carriers, direct | 524128 Other Direct Insurance (except Life, Health, and Medical) Carriers | $47 million in average annual receipts |
| Depository trust companies | 522110 Commercial Banking | $850 million in assets |
| Depressors, tongue, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Depth charge projectors manufacturing | 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing | 1,000 employees |
| Depth charges manufacturing | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Dermatological preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Dermatologists' offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Derrick building, repairing, and dismantling at oil and gas fields on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Derricks, oil and gas field-type, manufacturing | 333132 Oil and Gas Field Machinery and Equipment Manufacturing | 1,250 employees |
| Desalination kits manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Desiccants, activated clay, manufacturing | 327992 Ground or Treated Mineral and Earth Manufacturing | 600 employees |
| Desk fans, electric, manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Desk lamps, commercial, electric, manufacturing | 335122 Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing | 500 employees |
| Desk lamps, residential, electric, manufacturing | 335121 Residential Electric Lighting Fixture Manufacturing | 750 employees |
| Desk sets, leather, manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Desks (except wood), office-type, manufacturing | 337214 Office Furniture (except Wood) Manufacturing | 1,100 employees |
| Desks, wood household-type, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Desks, wood office-type, manufacturing | 337211 Wood Office Furniture Manufacturing | 1,000 employees |
| Desktop publishing services (I.e. document preparation service) | 561410 Document Preparation Services | $19 million in average annual receipts |
| Desserts, dairy, merchant wholesalers | 424430 Dairy Product (except Dried or Canned) Merchant Wholesalers | 200 employees |
| Desserts, frozen (except bakery), manufacturing | 311520 Ice Cream and Frozen Dessert Manufacturing | 1,000 employees |
| Desserts, frozen bakery, manufacturing | 311813 Frozen Cakes, Pies, and Other Pastries Manufacturing | 750 employees |
| Detailing services (i.e., cleaning and polishing), automotive | 811192 Car Washes | $9 million in average annual receipts |
| Detasseling corn | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Detective agencies | 561611 Investigation and Personal Background Check Services | $25 million in average annual receipts |
| Detectors, scintillation, manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Detention centers | 922140 Correctional Institutions | — |
| Detergents (e.g., dishwashing, industrial, laundry) manufacturing | 325611 Soap and Other Detergent Manufacturing | 1,100 employees |
| Detergents merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Detinning scrap (e.g., cans) | 331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) | 850 employees |
| Detonating caps, cord, fuses, and primers manufacturing | 325920 Explosives Manufacturing | 750 employees |
| Detonators (except ammunition) manufacturing | 325920 Explosives Manufacturing | 750 employees |
| Detonators, ammunition (i.e., more than 30 mm., more than 1.18 inch), manufacturing | 332993 Ammunition (except Small Arms) Manufacturing | 1,500 employees |
| Detoxification centers and clinics (except hospitals), outpatient | 621420 Outpatient Mental Health and Substance Abuse Centers | $19 million in average annual receipts |
| Detoxification hospitals | 622210 Psychiatric and Substance Abuse Hospitals | $47 million in average annual receipts |
| Deuterium oxide (i.e., heavy water) manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Developers, prepared photographic, manufacturing | 325992 Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing | 1,500 employees |
| Developing and producing prototypes for aircraft | 336411 Aircraft Manufacturing | 1,500 employees |
| Developing and producing prototypes for aircraft engines and engine parts | 336412 Aircraft Engine and Engine Parts Manufacturing | 1,500 employees |
| Developing and producing prototypes for aircraft parts (except engines) and auxiliary equipment | 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing | 1,250 employees |
| Developing and producing prototypes for complete guided missiles and space vehicles | 336414 Guided Missile and Space Vehicle Manufacturing | 1,300 employees |
| Developing and producing prototypes for guided missile and space vehicle components | 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing | 1,050 employees |
| Developing and producing prototypes for guided missile and space vehicle engines | 336415 Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing | 1,250 employees |
| Developing equipment, film, manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Development assistance program administration | 926110 Administration of General Economic Programs | — |
| Developmentally disabled advocacy organizations | 813311 Human Rights Organizations | $34 million in average annual receipts |
| Dewatering contractors | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Dewberry farming | 111334 Berry (except Strawberry) Farming | $3.8 million in average annual receipts |
| Dextrin glues manufacturing | 325520 Adhesive Manufacturing | 550 employees |
| Dextrin made by wet milling corn | 311221 Wet Corn Milling and Starch Manufacturing | 1,300 employees |
| Diabase crushed and broken stone mining and/or beneficiating | 212319 Other Crushed and Broken Stone Mining and Quarrying | 550 employees |
| Diabase mining or quarrying | 212311 Dimension Stone Mining and Quarrying | 500 employees |
| Diagnostic biological preparations (except in-vitro) manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Diagnostic centers without repair, automotive | 811198 All Other Automotive Repair and Maintenance | $10 million in average annual receipts |
| Diagnostic equipment, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Diagnostic equipment, medical, merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Diagnostic equipment, MRI (magnetic resonance imaging), manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Diagnostic imaging centers (medical) | 621512 Diagnostic Imaging Centers | $19 million in average annual receipts |
| Diagnostic imaging equipment repair and maintenance services | 811219 Other Electronic and Precision Equipment Repair and Maintenance | $22 million in average annual receipts |
| Diagnostic reagents merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Diagnostic substances, in-vitro, manufacturing | 325413 In-Vitro Diagnostic Substance Manufacturing | 1,250 employees |
| Diagnostics, in-vitro and in-vivo, merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Dial indicators, machinists' precision tools, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Dial-up Internet service providers, using client-supplied telecommunications connections | 517919 All Other Telecommunications | $35 million in average annual receipts |
| Dialysis centers and clinics | 621492 Kidney Dialysis Centers | $47 million in average annual receipts |
| Dialysis equipment, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Diammonium phosphates manufacturing | 325312 Phosphatic Fertilizer Manufacturing | 1,350 employees |
| Diamond cloths made from purchased wire | 332618 Other Fabricated Wire Product Manufacturing | 500 employees |
| Diamond cutting and polishing | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Diamond dies, metalworking, manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Diamond dressing wheels manufacturing | 327910 Abrasive Product Manufacturing | 900 employees |
| Diamonds (except industrial) merchant wholesalers | 423940 Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers | 125 employees |
| Diamonds, industrial, merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Diamonds, industrial, mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Diaper covers, infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Diaper covers, water resistant and waterproof, cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Diaper covers, waterproof, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Diaper supply services | 812331 Linen Supply | $40 million in average annual receipts |
| Diapers (except disposable) made from purchased fabrics | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Diapers (except paper) merchant wholesalers | 424330 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers | 100 employees |
| Diapers, disposable, made from purchased paper or textile fiber | 322291 Sanitary Paper Product Manufacturing | 1,500 employees |
| Diapers, disposable, made in paper mills | 322121 Paper (except Newsprint) Mills | 1,250 employees |
| Diapers, paper, merchant wholesalers | 424130 Industrial and Personal Service Paper Merchant Wholesalers | 150 employees |
| Diaphragms (i.e., birth control device), rubber, manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Diaries manufacturing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Diary and time scheduler publishers (except exclusive Internet publishing) | 511199 All Other Publishers | 500 employees |
| Diary and time scheduler publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Diaspore mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Diathermy apparatus, electromedical, manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Diathermy units manufacturing | 334510 Electromedical and Electrotherapeutic Apparatus Manufacturing | 1,250 employees |
| Diatomaceous earth mining and/or beneficitating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Diatomaceous earth processing beyond beneficiation | 327992 Ground or Treated Mineral and Earth Manufacturing | 600 employees |
| Diatomite mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Diazo (i.e., whiteprint) paper and cloth, sensitized, manufacturing | 325992 Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing | 1,500 employees |
| Dichlorodifluoromethane manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Dichromates manufacturing | 325180 Other Basic Inorganic Chemical Manufacturing | 1,000 employees |
| Dickeys cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dickeys, women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Dickeys, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dickeys, women's, misses' and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Dictating machines manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Dictating machines merchant wholesalers | 423420 Office Equipment Merchant Wholesalers | 200 employees |
| Dictation services | 561410 Document Preparation Services | $19 million in average annual receipts |
| Diction schools | 611699 All Other Miscellaneous Schools and Instruction | $16.5 million in average annual receipts |
| Dictionaries printing and binding without publishing | 323117 Books Printing | 1,250 employees |
| Dictionaries printing without publishing | 323117 Books Printing | 1,250 employees |
| Dictionary binding without printing | 323120 Support Activities for Printing | 550 employees |
| Dictionary publishers (except exclusive Internet publishing) | 511130 Book Publishers | 1,000 employees |
| Dictionary publishers and printing combined | 511130 Book Publishers | 1,000 employees |
| Dictionary publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Dicyandiamine resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Die sets for metal stamping presses manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Die sinking machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Die-casting dies manufacturing | 333511 Industrial Mold Manufacturing | 500 employees |
| Die-casting machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Die-castings, aluminum, unfinished, manufacturing | 331523 Nonferrous Metal Die-Casting Foundries | 700 employees |
| Die-castings, nonferrous metals (except aluminum), unfinished, manufacturing | 331522 Nonferrous (except Aluminum) Die-Casting Foundries | — |
| Die-castings, nonferrous metals, unfinished, manufacturing | 331523 Nonferrous Metal Die-Casting Foundries | 700 employees |
| Die-cut paper products (except for office use) made from purchased paper or paperboard | 322299 All Other Converted Paper Product Manufacturing | 500 employees |
| Die-cut paper products for office use made from purchased paper or paperboard | 322230 Stationery Product Manufacturing | 750 employees |
| Dielectric industrial heating equipment manufacturing | 333994 Industrial Process Furnace and Oven Manufacturing | 500 employees |
| Dies and die holders for metal cutting and forming (except threading) manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Dies and taps (i.e., a machine tool accessory) manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Dies, cutting (except metal cutting), manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Dies, metalworking (except threading), manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Dies, plastics forming, manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Dies, steel rule (except metal cutting), manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Dies, steel rule, metal cutting, manufacturing | 333514 Special Die and Tool, Die Set, Jig, and Fixture Manufacturing | 500 employees |
| Diesel and semidiesel engines manufacturing | 333618 Other Engine Equipment Manufacturing | 1,500 employees |
| Diesel fuels made in petroleum refineries | 324110 Petroleum Refineries | 1,500 employees |
| Diet centers, non-medical | 812191 Diet and Weight Reducing Centers | $27.5 million in average annual receipts |
| Diet workshops | 812191 Diet and Weight Reducing Centers | $27.5 million in average annual receipts |
| Dietary drinks, dairy and nondairy based, manufacturing | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Diethylcyclohexane manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Diethylene glycol manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Dietitians' associations | 813920 Professional Organizations | $23.5 million in average annual receipts |
| Dietitians' offices (e.g., centers, clinics) | 621399 Offices of All Other Miscellaneous Health Practitioners | $10 million in average annual receipts |
| Differential and rear axle assemblies, automotive, truck, and bus, manufacturing | 336350 Motor Vehicle Transmission and Power Train Parts Manufacturing | 1,500 employees |
| Differential pressure instruments, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Differential thermal analysis instruments, laboratory-type, manufacturing | 334516 Analytical Laboratory Instrument Manufacturing | 1,000 employees |
| Digesters, industrial-type, heavy gauge metal, manufacturing | 332420 Metal Tank (Heavy Gauge) Manufacturing | 750 employees |
| Digestive system preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Digging foundations | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Digital cameras manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Digital computers manufacturing | 334111 Electronic Computer Manufacturing | 1,250 employees |
| Digital displays of process variables manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Digital panel meters, electricity measuring, manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Digital printing (e.g., billboards, other large format graphic materials) | 323115 Digital Printing | — |
| Digital printing (e.g., billboards, other large format graphic materials, high resolution) (except books) | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Digital printing (e.g., graphics, high resolution) | 323115 Digital Printing | — |
| Digital printing presses manufacturing | 333244 Printing Machinery and Equipment Manufacturing | 750 employees |
| Digital test equipment (e.g., electronic and electrical circuits and equipment testing) manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Digital video disc players manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Digital video discs (DVDs), prerecorded, merchant wholesalers | 423990 Other Miscellaneous Durable Goods Merchant Wholesalers | 100 employees |
| Digitalis medicinal preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Digitoxin, uncompounded, manufacturing | 325411 Medicinal and Botanical Manufacturing | 1,000 employees |
| Diisocyanate resins manufacturing | 325211 Plastics Material and Resin Manufacturing | 1,250 employees |
| Dike and other flood control structure construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Dill farming, field and seed production | 111219 Other Vegetable (except Potato) and Melon Farming | $3.8 million in average annual receipts |
| Dimension lumber, hardwood, made from logs or bolts | 321113 Sawmills | 550 employees |
| Dimension lumber, hardwood, resawing purchased lumber | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension lumber, made from logs or bolts | 321113 Sawmills | 550 employees |
| Dimension lumber, resawing purchased lumber | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension lumber, softwood, made from logs or bolts | 321113 Sawmills | 550 employees |
| Dimension lumber, softwood, resawing purchased lumber | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension stock, hardwood, manufacturing | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension stock, softwood, manufacturing | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension stock, wood, manufacturing | 321912 Cut Stock, Resawing Lumber, and Planing | 500 employees |
| Dimension stone dressing and manufacturing | 327991 Cut Stone and Stone Product Manufacturing | 500 employees |
| Dimension stone for buildings manufacturing | 327991 Cut Stone and Stone Product Manufacturing | 500 employees |
| Dimension stone mining or quarrying | 212311 Dimension Stone Mining and Quarrying | 500 employees |
| Dimethyl divinyl acetylene (di-isopropenyl acetylene) manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Dimethylhydrazine manufacturing | 325199 All Other Basic Organic Chemical Manufacturing | 1,250 employees |
| Dimmer switches, outlet box mounting-type, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Diners, full service | 722511 Full-Service Restaurants | $11.5 million in average annual receipts |
| Dinette sets, metal household-type, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Dining room chairs (including upholstered), metal, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Dining room chairs (including upholstered), plastics manufacturing | 337125 Household Furniture (except Wood and Metal) Manufacturing | 750 employees |
| Dining room chairs (including upholstered), wood, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Dining room furniture, metal household-type, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Dining room furniture, wood household-type, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Dinner cruises | 487210 Scenic and Sightseeing Transportation, Water | $14 million in average annual receipts |
| Dinner theaters | 711110 Theater Companies and Dinner Theaters | $25 million in average annual receipts |
| Dinners, frozen (except seafood-based), manufacturing | 311412 Frozen Specialty Food Manufacturing | 1,250 employees |
| Dinners, frozen seafood, manufacturing | 311710 Seafood Product Preparation and Packaging | 750 employees |
| Dinners, frozen, merchant wholesalers | 424420 Packaged Frozen Food Merchant Wholesalers | 200 employees |
| Dinnerware, plastics (except polystyrene foam), manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Dinnerware, polystyrene foam, manufacturing | 326140 Polystyrene Foam Product Manufacturing | 1,000 employees |
| Diode and transistor testers manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Diodes merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Diodes, solid-state (e.g., germanium, silicon), manufacturing | 334413 Semiconductor and Related Device Manufacturing | 1,250 employees |
| Diorite crushed and broken stone mining and/or beneficiating | 212313 Crushed and Broken Granite Mining and Quarrying | 850 employees |
| Diorite mining or quarrying | 212311 Dimension Stone Mining and Quarrying | 500 employees |
| Diphenylamine manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Diplomatic services | 928120 International Affairs | — |
| Dips (except cheese and sour cream based) manufacturing | 311941 Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing | 850 employees |
| Dips (i.e., pesticides), cattle and sheep, manufacturing | 325320 Pesticide and Other Agricultural Chemical Manufacturing | 1,150 employees |
| Dips, cheese based, manufacturing | 311513 Cheese Manufacturing | 1,250 employees |
| Dips, sour cream based, manufacturing | 311511 Fluid Milk Manufacturing | 1,150 employees |
| Direct access storage devices manufacturing | 334112 Computer Storage Device Manufacturing | 1,250 employees |
| Direct broadcast satellite (DBS) services | 517311 Wired Telecommunications Carriers | 1,500 employees |
| Direct dyes manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Direct mail advertising services | 541860 Direct Mail Advertising | $22 million in average annual receipts |
| Direct mail or other direct distribution advertising campaign services | 541860 Direct Mail Advertising | $22 million in average annual receipts |
| Direct mailers (i.e., selling own merchandise) | 454110 Electronic Shopping and Mail-Order Houses | $41.5 million in average annual receipts |
| Direct reduction of iron ore | 331110 Iron and Steel Mills and Ferroalloy Manufacturing | 1,500 employees |
| Direct selling of merchandise (door-to-door) | 454390 Other Direct Selling Establishments | $13 million in average annual receipts |
| Direct-to-home satellite system (DTH) services | 517311 Wired Telecommunications Carriers | 1,500 employees |
| Directional drilling of oil and gas wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Director services, funeral | 812210 Funeral Homes and Funeral Services | $12.5 million in average annual receipts |
| Directories commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Directories flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Directories lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Directories printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Directories screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Directors (i.e., film, motion picture, music, theatrical), independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Directors, independent motion picture | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Directors, independent music | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Directory and mailing list publishers (except exclusive Internet publishing) | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Directory and mailing list publishers and printing combined | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Directory publishers (except exclusive Internet publishing) | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Directory publishers and printing combined | 511140 Directory and Mailing List Publishers | 1,250 employees |
| Directory publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Directory, telephone, distribution on a contract basis | 541870 Advertising Material Distribution Services | $28.5 million in average annual receipts |
| Dirt moving for construction | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Disability insurance carriers, direct | 524113 Direct Life Insurance Carriers | $47 million in average annual receipts |
| Disability insurance underwriting, direct | 524113 Direct Life Insurance Carriers | $47 million in average annual receipts |
| Disability support groups | 624120 Services for the Elderly and Persons with Disabilities | $15 million in average annual receipts |
| Disabled group homes without nursing care | 623990 Other Residential Care Facilities | $16 million in average annual receipts |
| Disaster preparedness and management offices, government | 922190 Other Justice, Public Order, and Safety Activities | — |
| Disaster relief services | 624230 Emergency and Other Relief Services | $41.5 million in average annual receipts |
| Disc jockeys, independent | 711510 Independent Artists, Writers, and Performers | $9 million in average annual receipts |
| Disciplinary camps for delinquent youth | 623990 Other Residential Care Facilities | $16 million in average annual receipts |
| Discotheques (except those serving alcoholic beverages) | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Discount buying services, including medical cards and similar negotiated discount plans for individuals | 812990 All Other Personal Services | $15 million in average annual receipts |
| Discount coupon book publishers (except exclusive Internet publishing) | 511199 All Other Publishers | 500 employees |
| Discount coupon book publishers and printing combined | 511199 All Other Publishers | 500 employees |
| Discount coupon book publishers, exclusively on Internet | 519130 Internet Publishing and Broadcasting and Web Search Portals | 1,000 employees |
| Discount coupon books commercial printing (except screen) without publishing | 323111 Commercial Printing (except Screen and Books) | 650 employees |
| Discount coupon books flexographic printing without publishing | 323112 Commercial Flexographic Printing | — |
| Discount coupon books lithographic (offset) printing without publishing | 323110 Commercial Lithographic Printing | — |
| Discount coupon books printing (except flexographic, gravure, lithographic, quick, screen) without publishing | 323119 Other Commercial Printing | — |
| Discount coupon books screen printing without publishing | 323113 Commercial Screen Printing | 500 employees |
| Discount department stores | 452112 Discount Department Stores | — |
| Disease awareness fundraising organizations | 813212 Voluntary Health Organizations | $34 million in average annual receipts |
| Disease control for crops | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Disease research (e.g., cancer, heart) fundraising organizations | 813212 Voluntary Health Organizations | $34 million in average annual receipts |
| Disease testing services, veterinary | 541940 Veterinary Services | $10 million in average annual receipts |
| Dishcloths made in warp knitting mills | 313249 Other Knit Fabric and Lace Mills | — |
| Dishcloths made in warp or weft knitting mills | 313240 Knit Fabric Mills | 500 employees |
| Dishcloths made in weft knitting mills | 313241 Weft Knit Fabric Mills | — |
| Dishes, household-type (except disposable plastics, paper), merchant wholesalers | 423220 Home Furnishing Merchant Wholesalers | 100 employees |
| Dishes, paper and disposable plastics, merchant wholesalers | 424130 Industrial and Personal Service Paper Merchant Wholesalers | 150 employees |
| Dishes, pottery, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Dishes, toy, manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Dishes, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Dishwasher detergents manufacturing | 325611 Soap and Other Detergent Manufacturing | 1,100 employees |
| Dishwashers, household-type, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Dishwashers, household-type, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Dishwashing equipment, commercial-type, merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Dishwashing machines, commercial-type, manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Dishwashing machines, household-type, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Disinfectants, household-type and industrial, manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Disk and diskette conversion services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Disk and diskette recertification services | 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $40 million in average annual receipts |
| Disk and ring springs, heavy gauge metal, manufacturing | 332613 Spring Manufacturing | 600 employees |
| Disk drives, computer, manufacturing | 334112 Computer Storage Device Manufacturing | 1,250 employees |
| Disk drives, computer, merchant wholesalers | 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers | 250 employees |
| Diskettes, blank, manufacturing | 334613 Blank Magnetic and Optical Recording Media Manufacturing | 1,000 employees |
| Diskettes, blank, merchant wholesalers | 423690 Other Electronic Parts and Equipment Merchant Wholesalers | 250 employees |
| Dismantling engineering structures (e.g., oil storage tank) | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Dismantling large-scale machinery and equipment | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Dismantling of oil well rigs on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Dispensing and measuring pumps (e.g., gasoline, lubricants) manufacturing | 333913 Measuring and Dispensing Pump Manufacturing333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing | —750 employees |
| Disperse dyes manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Dispersions, pigment, manufacturing | 325510 Paint and Coating Manufacturing | 1,000 employees |
| Display advertising services | 541850 Indoor and Outdoor Display Advertising | $34.5 million in average annual receipts |
| Display cases (except refrigerated) merchant wholesalers | 423440 Other Commercial Equipment Merchant Wholesalers | 100 employees |
| Display cases and fixtures (except refrigerated) manufacturing | 337215 Showcase, Partition, Shelving, and Locker Manufacturing | 500 employees |
| Display cases, refrigerated, manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Display cases, refrigerated, merchant wholesalers | 423740 Refrigeration Equipment and Supplies Merchant Wholesalers | 125 employees |
| Display instruments, industrial process control-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Display lettering services | 541890 Other Services Related to Advertising | $19 million in average annual receipts |
| Displays (e.g., counter, floor, point-of-purchase) manufacturing | 339950 Sign Manufacturing | 500 employees |
| Disposable flashlight batteries manufacturing | 335912 Primary Battery Manufacturing | 1,000 employees |
| Disposable plastics products (e.g., boxes, cups, cutlery, dishes, sanitary food containers) merchant wholesalers | 424130 Industrial and Personal Service Paper Merchant Wholesalers | 150 employees |
| Distance measuring equipment (DME), aeronautical, manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Distillates, wood, manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Distillation ovens, charcoal and coke, manufacturing | 333994 Industrial Process Furnace and Oven Manufacturing | 500 employees |
| Distilled alcoholic beverages merchant wholesalers | 424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers | 250 employees |
| Distilled water manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Distiller's malt manufacturing | 311213 Malt Manufacturing | 500 employees |
| Distilleries | 312140 Distilleries | 1,100 employees |
| Distillery machinery merchant wholesalers | 423830 Industrial Machinery and Equipment Merchant Wholesalers | 100 employees |
| Distilling alcoholic beverages (except brandy) | 312140 Distilleries | 1,100 employees |
| Distilling brandy | 312130 Wineries | 1,000 employees |
| Distilling equipment (except beverage), including laboratory-type, manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Distilling equipment, beverage, manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Distilling potable liquor (except brandy) | 312140 Distilleries | 1,100 employees |
| Distortion meters and analyzers manufacturing | 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals | 750 employees |
| Distribution boards, electric, manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Distribution cutouts manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Distribution equipment, electrical, merchant wholesalers | 423610 Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers | 200 employees |
| Distribution line, gas and oil, construction | 237120 Oil and Gas Pipeline and Related Structures Construction | $45 million in average annual receipts |
| Distribution line, sewer and water, construction | 237110 Water and Sewer Line and Related Structures Construction | $45 million in average annual receipts |
| Distribution of cooled air | 221330 Steam and Air-Conditioning Supply | $30 million in average annual receipts |
| Distribution of electric power | 221122 Electric Power Distribution | 1,100 employees |
| Distribution of heated air | 221330 Steam and Air-Conditioning Supply | $30 million in average annual receipts |
| Distribution of manufactured gas | 221210 Natural Gas Distribution | 1,150 employees |
| Distribution of natural gas | 221210 Natural Gas Distribution | 1,150 employees |
| Distribution of steam heat | 221330 Steam and Air-Conditioning Supply | $30 million in average annual receipts |
| Distribution transformers, electric, manufacturing | 335311 Power, Distribution, and Specialty Transformer Manufacturing | 800 employees |
| Distributor cap and rotor for internal combustion engines manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Distributors for internal combustion engines manufacturing | 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing | 1,000 employees |
| Distributors' associations | 813910 Business Associations | $15.5 million in average annual receipts |
| District and regional offices | 551114 Corporate, Subsidiary, and Regional Managing Offices | — |
| District attorneys' offices | 922130 Legal Counsel and Prosecution | — |
| Ditchers and trenchers, self-propelled, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Diuretic preparations manufacturing | 325412 Pharmaceutical Preparation Manufacturing | 1,300 employees |
| Dividers, machinists' precision tools, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Diving equipment stores | 451110 Sporting Goods Stores | $23.5 million in average annual receipts |
| Diving services on a contract or fee basis | 561990 All Other Support Services | $16.5 million in average annual receipts |
| DMDs' (doctors of dental medicine) offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| DNA technologies (e.g., microarrays) research and experimental development laboratories | 541714 Research and Development in Biotechnology (except Nanobiotechnology) | 1,000 employees |
| DNA testing laboratories | 621511 Medical Laboratories | $41.5 million in average annual receipts |
| Dock and associated building rental or leasing | 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) | $34 million in average annual receipts |
| Dock construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Docking and undocking marine vessel services | 488330 Navigational Services to Shipping | $47 million in average annual receipts |
| Docking facility operations | 488310 Port and Harbor Operations | $47 million in average annual receipts |
| Doctors of chiropractic (DCs) offices (e.g., centers, clinics) | 621310 Offices of Chiropractors | $9 million in average annual receipts |
| Doctors of dental medicine (DMDs) offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| Doctors of dental surgery (DDSs) offices (e.g., centers, clinics) | 621210 Offices of Dentists | $9 million in average annual receipts |
| Doctors of optometry (ODs) offices (e.g., centers, clinics) | 621320 Offices of Optometrists | $9 million in average annual receipts |
| Doctors of osteopathy (DOs), mental health, offices (e.g., centers, clinics) | 621112 Offices of Physicians, Mental Health Specialists | $13.5 million in average annual receipts |
| Doctors of osteopathy (DOs, except mental health) offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Doctors of podiatry (DPs) offices (e.g., centers, clinics) | 621391 Offices of Podiatrists | $9 million in average annual receipts |
| Doctors of psychology offices (e.g., centers, clinics) | 621330 Offices of Mental Health Practitioners (except Physicians) | $9 million in average annual receipts |
| Document copying services (except combined with printing services) | 561439 Other Business Service Centers (including Copy Shops) | $26.5 million in average annual receipts |
| Document duplicating services (except combined with printing services) | 561439 Other Business Service Centers (including Copy Shops) | $26.5 million in average annual receipts |
| Document preparation services | 561410 Document Preparation Services | $19 million in average annual receipts |
| Document shredding services | 561990 All Other Support Services | $16.5 million in average annual receipts |
| Document storage and warehousing | 493190 Other Warehousing and Storage | $36.5 million in average annual receipts |
| Document transcription services | 561410 Document Preparation Services | $19 million in average annual receipts |
| Dodecene made from refined petroleum or liquid hydrocarbons | 325110 Petrochemical Manufacturing | 1,300 employees |
| Dog and cat food (e.g., canned, dry, frozen, semimoist), manufacturing | 311111 Dog and Cat Food Manufacturing | 1,250 employees |
| Dog food manufacturing | 311111 Dog and Cat Food Manufacturing | 1,250 employees |
| Dog furnishings (e.g., collars, harnesses, leashes, muzzles), manufacturing | 316998 All Other Leather Good and Allied Product Manufacturing | 500 employees |
| Dog owners, race (i.e., racing dogs) | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Dog pounds | 812910 Pet Care (except Veterinary) Services | $9 million in average annual receipts |
| Dog production | 112990 All Other Animal Production | $2.8 million in average annual receipts |
| Dog racetracks | 711212 Racetracks | $47 million in average annual receipts |
| Dog racing kennels | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Dogs merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Doilies, paper, made from purchased paper | 322299 All Other Converted Paper Product Manufacturing | 500 employees |
| Doll carriages and carts manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Doll clothing manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Dollar stores | 452319 All Other General Merchandise Stores | $35 million in average annual receipts |
| Dollies manufacturing | 333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing | 900 employees |
| Dolls merchant wholesalers | 423920 Toy and Hobby Goods and Supplies Merchant Wholesalers | 175 employees |
| Dolls, doll parts, and doll clothing (except wigs) manufacturing | 339930 Doll, Toy, and Game Manufacturing | 700 employees |
| Dolomite crushed and broken stone mining and/or beneficiating | 212312 Crushed and Broken Limestone Mining and Quarrying | 750 employees |
| Dolomite mining or quarrying | 212311 Dimension Stone Mining and Quarrying | 500 employees |
| Dolomite, dead-burned, manufacturing | 327410 Lime Manufacturing | 1,050 employees |
| Dolomitic lime manufacturing | 327410 Lime Manufacturing | 1,050 employees |
| Dolomitic marble crushed and broken stone mining and/or beneficiating | 212319 Other Crushed and Broken Stone Mining and Quarrying | 550 employees |
| Dolomitic marble mining or quarrying | 212311 Dimension Stone Mining and Quarrying | 500 employees |
| Dolphin fishing | 114111 Finfish Fishing | $25 million in average annual receipts |
| Donkey production | 112920 Horses and Other Equine Production | $2.8 million in average annual receipts |
| Door and jamb assemblies, metal, manufacturing | 332321 Metal Window and Door Manufacturing | 750 employees |
| Door and window frame construction | 238350 Finish Carpentry Contractors | $19 million in average annual receipts |
| Door and window, prefabricated, installation | 238350 Finish Carpentry Contractors | $19 million in average annual receipts |
| Door frames and sash, metal, manufacturing | 332321 Metal Window and Door Manufacturing | 750 employees |
| Door frames and sash, wood and covered wood, manufacturing | 321911 Wood Window and Door Manufacturing | 1,000 employees |
| Door hoods, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Door jambs, wood, manufacturing | 321911 Wood Window and Door Manufacturing | 1,000 employees |
| Door locks, metal, manufacturing | 332510 Hardware Manufacturing | 750 employees |
| Door opening and closing devices (except electrical), metal, manufacturing | 332510 Hardware Manufacturing | 750 employees |
| Door opening and closing devices, electrical, manufacturing | 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing | 600 employees |
| Door shutters, wood, manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Door stores | 444190 Other Building Material Dealers | $22 million in average annual receipts |
| Door trim, wood molding, manufacturing | 321918 Other Millwork (including Flooring) | 500 employees |
| Door units, prehung, wood and covered wood, manufacturing | 321911 Wood Window and Door Manufacturing | 1,000 employees |
| Door, commercial- or industrial-type, installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Door, folding, installation | 238350 Finish Carpentry Contractors | $19 million in average annual receipts |
| Door-to-door distribution of advertising materials (e.g., coupons, flyers, samples) | 541870 Advertising Material Distribution Services | $28.5 million in average annual receipts |
| Door-to-door retailing of merchandise, direct selling | 454390 Other Direct Selling Establishments | $13 million in average annual receipts |
| Doormats, all materials (except entirely of rubber or plastics), manufacturing | 314110 Carpet and Rug Mills | 1,500 employees |
| Doormats, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Doormats, rubber, manufacturing | 326299 All Other Rubber Product Manufacturing | 650 employees |
| Doors and door frames merchant wholesalers | 423310 Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers | 150 employees |
| Doors and door frames, plastics, manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Doors, combination screen-storm, wood, manufacturing | 321911 Wood Window and Door Manufacturing | 1,000 employees |
| Doors, metal, manufacturing | 332321 Metal Window and Door Manufacturing | 750 employees |
| Doors, safe and vault, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Doors, unframed glass, made from purchased glass | 327215 Glass Product Manufacturing Made of Purchased Glass | 1,000 employees |
| Doors, wood and covered wood, manufacturing | 321911 Wood Window and Door Manufacturing | 1,000 employees |
| Dopes, paint, and laquer, manufacturing | 325510 Paint and Coating Manufacturing | 1,000 employees |
| Dories building | 336612 Boat Building | 1,000 employees |
| Dormitories, off campus | 721310 Rooming and Boarding Houses, Dormitories, and Workers' Camps | $14 million in average annual receipts |
| Dormitory construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| DOs' (doctors of osteopathy), mental health, offices (e.g., centers, clinics) | 621112 Offices of Physicians, Mental Health Specialists | $13.5 million in average annual receipts |
| DOs' (doctors of osteopathy, except mental health) offices (e.g., centers, clinics) | 621111 Offices of Physicians (except Mental Health Specialists) | $16 million in average annual receipts |
| Dosimetry devices manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Dough mixing machinery (i.e., food manufacturing-type) manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Doughnut shops, full service | 722511 Full-Service Restaurants | $11.5 million in average annual receipts |
| Doughnut shops, on premise baking and carryout service | 722515 Snack and Nonalcoholic Beverage Bars | $22.5 million in average annual receipts |
| Doughnuts (except frozen) made in commercial bakeries | 311812 Commercial Bakeries | 1,000 employees |
| Doughnuts, frozen, manufacturing | 311813 Frozen Cakes, Pies, and Other Pastries Manufacturing | 750 employees |
| Doughs, frozen, merchant wholesalers | 424420 Packaged Frozen Food Merchant Wholesalers | 200 employees |
| Doughs, prepared, made in flour mills | 311211 Flour Milling | 1,050 employees |
| Doughs, refrigerated or frozen, made from purchased flour | 311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour | 850 employees |
| Dovetailing machines, woodworking-type, manufacturing | 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing | 550 employees |
| Dowel pins, metal, manufacturing | 332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing | 600 employees |
| Dowels, wood, manufacturing | 321999 All Other Miscellaneous Wood Product Manufacturing | 500 employees |
| Down-filled clothing cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Down-filled clothing, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Down-filled clothing, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Down-filled clothing, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Down-filled clothing, women's, girls' and infants' cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Down-filled clothing, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Down-filled clothing, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Downhill skiing facilities without accommodations | 713920 Skiing Facilities | $35 million in average annual receipts |
| Downspout, gutter, and gutter guard installation | 238170 Siding Contractors | $19 million in average annual receipts |
| Downspouts, sheet metal (except stampings), manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| DPs' (doctors of podiatry) offices (e.g., centers, clinics) | 621391 Offices of Podiatrists | $9 million in average annual receipts |
| Draft gauges, industrial process-type, manufacturing | 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables | 750 employees |
| Drafting instruments manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Drafting instruments merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Drafting materials (except instruments and tables) manufacturing | 339940 Office Supplies (except Paper) Manufacturing | 750 employees |
| Drafting services | 541340 Drafting Services | $9 million in average annual receipts |
| Drafting tables and boards manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Drafting tables merchant wholesalers | 423490 Other Professional Equipment and Supplies Merchant Wholesalers | 150 employees |
| Draftsmen's offices | 541340 Drafting Services | $9 million in average annual receipts |
| Drag strips | 711212 Racetracks | $47 million in average annual receipts |
| Draglines, crawler, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Dragon's blood manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Drags, farm-type equipment, manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Drags, road construction and road maintenance equipment, manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Dragstones mining and/or beneficiating | 212399 All Other Nonmetallic Mineral Mining | 500 employees |
| Drain cleaning services | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Drain cocks, plumbing, manufacturing | 332913 Plumbing Fixture Fitting and Trim Manufacturing | 1,000 employees |
| Drain pipe cleaners manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Drain plugs, magnetic, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Drain tile, clay, manufacturing | 327120 Clay Building Material and Refractories Manufacturing | 750 employees |
| Drain, waste and vent system installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Drainage canal and ditch construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Drainage project construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Drainage system (e.g., cesspool, septic tank) installation | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Drainboards, wood or plastics laminated on wood, manufacturing | 337110 Wood Kitchen Cabinet and Countertop Manufacturing | 750 employees |
| Draining or pumping coal mines on a contract basis | 213113 Support Activities for Coal Mining | $27.5 million in average annual receipts |
| Draining or pumping of metal mines on a contract basis | 213114 Support Activities for Metal Mining | $41 million in average annual receipts |
| Draining or pumping of nonmetallic mineral mines (except fuels) on a contract basis | 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining | $20.5 million in average annual receipts |
| Drama schools (except academic) | 611610 Fine Arts Schools | $9 million in average annual receipts |
| Draperies made from purchased fabrics or sheet goods | 314120 Curtain and Linen Mills | 750 employees |
| Draperies merchant wholesalers | 423220 Home Furnishing Merchant Wholesalers | 100 employees |
| Drapery cleaning services | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drapery fixture (e.g., hardware, rods, tracks) installation | 238390 Other Building Finishing Contractors | $19 million in average annual receipts |
| Drapes, surgical, disposable, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Draw bench machines manufacturing | 333519 Rolling Mill and Other Metalworking Machinery Manufacturing | 500 employees |
| Drawers cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Drawers, apparel, made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Drawers, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Drawers, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Drawers, women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Drawers, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Drawers, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Drawing inks manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Drawing iron or steel wire from purchased iron or steel | 331222 Steel Wire Drawing | 1,000 employees |
| Drawing iron or steel wire from purchased iron or steel and fabricating wire products | 331222 Steel Wire Drawing | 1,000 employees |
| Drawing machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Drawing tables and boards, artist's, manufacturing | 337127 Institutional Furniture Manufacturing | 500 employees |
| Drawknives manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Dredge building | 336611 Ship Building and Repairing | 1,300 employees |
| Dredging (e.g., canal, channel, ditch, waterway) | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Dredging machinery manufacturing | 333120 Construction Machinery Manufacturing | 1,250 employees |
| Dress and semidress gloves cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dress and semidress gloves cut and sewn from purchased fabric (except apparel contractors) | 315990 Apparel Accessories and Other Apparel Manufacturing | 600 employees |
| Dress and semidress gloves made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Dress and semidress gloves, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Dress and semidress gloves, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dress shoes, children's and infants', manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Dress shoes, men's, manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Dress shoes, women's, manufacturing | 316210 Footwear Manufacturing | 1,000 employees |
| Dress shops | 448190 Other Clothing Stores | $27.5 million in average annual receipts |
| Dress suit rental | 532281 Formal Wear and Costume Rental | $25 million in average annual receipts |
| Dress trimmings cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dress trimmings cut and sewn from purchased fabric (except apparel contractors) | 315990 Apparel Accessories and Other Apparel Manufacturing | 600 employees |
| Dress trimmings, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dressed furs and skins merchant wholesalers | 424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers | 100 employees |
| Dressers, metal, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Dressers, wood, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Dresses cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dresses made in apparel knitting mills | 315190 Other Apparel Knitting Mills | 750 employees |
| Dresses merchant wholesalers | 424330 Women's, Children's, and Infants' Clothing and Accessories Merchant Wholesalers | 100 employees |
| Dresses, hand-knit, manufacturing | 315190 Other Apparel Knitting Mills | 750 employees |
| Dresses, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Dresses, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Dresses, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315233 Women's and Girls' Cut and Sew Dress Manufacturing | — |
| Dresses, women's, misses', girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dressing (i.e., bleaching, blending, currying, scraping, tanning) furs | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Dressing gowns cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dressing gowns, women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Dressing gowns, women's, girls', and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dressing gowns, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Dressing hides | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Dressing small game | 311615 Poultry Processing | 1,250 employees |
| Dressing tables, metal, manufacturing | 337124 Metal Household Furniture Manufacturing | 750 employees |
| Dressing tables, wood, manufacturing | 337122 Nonupholstered Wood Household Furniture Manufacturing | 750 employees |
| Dressings, medical, merchant wholesalers | 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers | 200 employees |
| Dressings, surgical, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Dried foods (e.g., fruits, milk, vegetables) merchant wholesalers | 424490 Other Grocery and Related Products Merchant Wholesalers | 250 employees |
| Dried meats made from purchased carcasses | 311612 Meat Processed from Carcasses | 1,000 employees |
| Dried phosphate rock mining and/or beneficiating | 212392 Phosphate Rock Mining | 1,000 employees |
| Driers, paint and varnish, manufacturing | 325510 Paint and Coating Manufacturing | 1,000 employees |
| Driers, photographic chemical, manufacturing | 325992 Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing | 1,500 employees |
| Driers, photographic, manufacturing | 333316 Photographic and Photocopying Equipment Manufacturing | 1,000 employees |
| Driftmeters, aeronautical, manufacturing | 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | 1,350 employees |
| Drill bits, metalworking, manufacturing | 333515 Cutting Tool and Machine Tool Accessory Manufacturing | 500 employees |
| Drill bits, woodworking, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Drill presses, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Drill presses, woodworking-type, manufacturing | 333243 Sawmill, Woodworking, and Paper Machinery Manufacturing | 550 employees |
| Drill stands, metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Drill-stem testing in oil, gas, dry, and service well drilling on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Drilled pier (i.e., for building foundations) contractors | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Drilled shaft (i.e., drilled building foundations) construction | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Drilling and production platforms, floating, oil and gas, building | 336611 Ship Building and Repairing | 1,300 employees |
| Drilling directional oil and gas field wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling equipment, oil and gas field-type, manufacturing | 333132 Oil and Gas Field Machinery and Equipment Manufacturing | 1,250 employees |
| Drilling equipment, underground mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Drilling for gas on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling for oil on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling gas and oil field wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling machines, metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Drilling mud compounds, conditioners, and additives (except bentonites) manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Drilling muds merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Drilling oil and gas field service wells on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling pearls | 339910 Jewelry and Silverware Manufacturing | 700 employees |
| Drilling rat holes and mouse holes at oil and gas fields on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Drilling rigs, oil and gas field-type, manufacturing | 333132 Oil and Gas Field Machinery and Equipment Manufacturing | 1,250 employees |
| Drilling services for coal mining on a contract basis | 213113 Support Activities for Coal Mining | $27.5 million in average annual receipts |
| Drilling services for metal mining on a contract basis | 213114 Support Activities for Metal Mining | $41 million in average annual receipts |
| Drilling services for nonmetallic mineral (except fuels) mining on a contract basis | 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining | $20.5 million in average annual receipts |
| Drilling shot holes at oil and gas fields on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Drilling site preparation at oil and gas fields on a contract basis | 213112 Support Activities for Oil and Gas Operations | $47 million in average annual receipts |
| Drilling water intake wells, oil and gas field on a contract basis | 213111 Drilling Oil and Gas Wells | 1,000 employees |
| Drilling water wells (except water intake wells in oil and gas fields) | 237110 Water and Sewer Line and Related Structures Construction | $45 million in average annual receipts |
| Drills weaving | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Drills, core, underground mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Drills, dental, manufacturing | 339114 Dental Equipment and Supplies Manufacturing | 750 employees |
| Drills, hand held, nonelectric, manufacturing | 332216 Saw Blade and Handtool Manufacturing | 750 employees |
| Drills, handheld power-driven (except heavy construction and mining type), manufacturing | 333991 Power-Driven Handtool Manufacturing | 950 employees |
| Drills, rock, underground mining-type, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Drink powder mixes (except chocolate, coffee, milk based, tea) manufacturing | 311999 All Other Miscellaneous Food Manufacturing | 700 employees |
| Drink powdered mixes, cocoa, made from cacao | 311351 Chocolate and Confectionery Manufacturing from Cacao Beans | 1,250 employees |
| Drink powdered mixes, cocoa, made from purchased cocoa | 311352 Confectionery Manufacturing from Purchased Chocolate | 1,000 employees |
| Drink, chocolate milk, manufacturing | 311511 Fluid Milk Manufacturing | 1,150 employees |
| Drinking fountain installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Drinking fountains (except mechanically refrigerated), metal, manufacturing | 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing | 750 employees |
| Drinking fountains (except mechanically refrigerated), plastics, manufacturing | 326191 Plastics Plumbing Fixture Manufacturing | 750 employees |
| Drinking fountains, refrigerated, manufacturing | 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | 1,250 employees |
| Drinking fountains, vitreous china, non-refrigerated, manufacturing | 327110 Pottery, Ceramics, and Plumbing Fixture Manufacturing | 1,000 employees |
| Drinking places (i.e., bars, lounges, taverns), alcoholic | 722410 Drinking Places (Alcoholic Beverages) | $9 million in average annual receipts |
| Drinks, fruit (except juice), manufacturing | 312111 Soft Drink Manufacturing | 1,400 employees |
| Drive chains, bicycle and motorcycle, manufacturing | 333613 Mechanical Power Transmission Equipment Manufacturing | 750 employees |
| Drive shafts and half shafts, automotive, truck, and bus, manufacturing | 336350 Motor Vehicle Transmission and Power Train Parts Manufacturing | 1,500 employees |
| Drive-in motion picture theaters | 512132 Drive-In Motion Picture Theaters | $12.5 million in average annual receipts |
| Drive-in movie facility construction | 237990 Other Heavy and Civil Engineering Construction | $45 million in average annual receipts |
| Drive-in restaurants | 722513 Limited-Service Restaurants | $13.5 million in average annual receipts |
| Driver education | 611692 Automobile Driving Schools | $10 million in average annual receipts |
| Driver training schools (except bus, heavy equipment, truck) | 611692 Automobile Driving Schools | $10 million in average annual receipts |
| Drivers, harness or race car | 711219 Other Spectator Sports | $16.5 million in average annual receipts |
| Drives, high-speed industrial (except hydrostatic), manufacturing | 333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing | 750 employees |
| Driveway cleaning (e.g., power sweeping, washing) services | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Driveway paving or sealing | 238990 All Other Specialty Trade Contractors | $19 million in average annual receipts |
| Driving ranges, golf | 713990 All Other Amusement and Recreation Industries | $9 million in average annual receipts |
| Driving services (e.g., automobile, truck delivery) | 488490 Other Support Activities for Road Transportation | $18 million in average annual receipts |
| Drop ceiling installation | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Drop forgings made from purchased iron or steel, unfinished | 332111 Iron and Steel Forging | 750 employees |
| Drop hammers, metal forging and shaping, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Drop-off and pick-up sites for laundries and drycleaners | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drug abuse prevention advocacy organizations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Drug addiction rehabilitation facilities (except licensed hospitals), residential | 623220 Residential Mental Health and Substance Abuse Facilities | $19 million in average annual receipts |
| Drug addiction rehabilitation hospitals | 622210 Psychiatric and Substance Abuse Hospitals | $47 million in average annual receipts |
| Drug addiction self-help organizations | 624190 Other Individual and Family Services | $16 million in average annual receipts |
| Drug addiction treatment centers and clinics (except hospitals), outpatient | 621420 Outpatient Mental Health and Substance Abuse Centers | $19 million in average annual receipts |
| Drug enforcement agencies and offices | 922120 Police Protection | — |
| Drug proprietaries merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Drug stores | 446110 Pharmacies and Drug Stores | $33 million in average annual receipts |
| Druggists' sundries merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Drugs merchant wholesalers | 424210 Drugs and Druggists' Sundries Merchant Wholesalers | 250 employees |
| Drum and bugle corps (i.e., drill teams) | 711130 Musical Groups and Artists | $15 million in average annual receipts |
| Drum cradles manufacturing | 333924 Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing | 900 employees |
| Drums (musical instruments), parts, and accessories manufacturing | 339992 Musical Instrument Manufacturing | 1,000 employees |
| Drums, light gauge metal, manufacturing | 332439 Other Metal Container Manufacturing | 600 employees |
| Drums, new and reconditioned, merchant wholesalers | 423840 Industrial Supplies Merchant Wholesalers | 125 employees |
| Drums, plastics (i.e., containers), manufacturing | 326199 All Other Plastics Product Manufacturing | 750 employees |
| Drums, plywood, manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Drums, shipping, wood, wirebound, manufacturing | 321920 Wood Container and Pallet Manufacturing | 500 employees |
| Drunk driving prevention advocacy organizations | 813319 Other Social Advocacy Organizations | $18 million in average annual receipts |
| Dry beans canning | 311422 Specialty Canning | 1,400 employees |
| Dry beans merchant wholesalers | 424510 Grain and Field Bean Merchant Wholesalers | 200 employees |
| Dry bulk carrier, truck, long-distance | 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance | $34 million in average annual receipts |
| Dry bulk trucking (except garbage collection, garbage hauling), local | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Dry cell primary batteries, single and multiple cell, manufacturing | 335912 Primary Battery Manufacturing | 1,000 employees |
| Dry cells, primary (e.g., AAA, AA, C, D, 9V), manufacturing | 335912 Primary Battery Manufacturing | 1,000 employees |
| Dry heating equipment installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Dry ice (i.e., solid carbon dioxide) manufacturing | 325120 Industrial Gas Manufacturing | 1,200 employees |
| Dry ice merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Dry milk manufacturing | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Dry milk processing machinery manufacturing | 333241 Food Product Machinery Manufacturing | 500 employees |
| Dry milk products and mixture manufacturing | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Dry milk products for animal feed manufacturing | 311514 Dry, Condensed, and Evaporated Dairy Product Manufacturing | 1,000 employees |
| Dry mix concrete manufacturing | 327999 All Other Miscellaneous Nonmetallic Mineral Product Manufacturing | 750 employees |
| Dry mixes made from purchased flour | 311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour | 850 employees |
| Dry pasta manufacturing | 311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour | 850 employees |
| Dry pasta packaged with other ingredients made in dry pasta plants | 311824 Dry Pasta, Dough, and Flour Mixes Manufacturing from Purchased Flour | 850 employees |
| Dry shavers (i.e., electric razors) manufacturing | 335210 Small Electrical Appliance Manufacturing | 1,500 employees |
| Dry well construction | 238910 Site Preparation Contractors | $19 million in average annual receipts |
| Drycleaner drop-off and pick-up sites | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drycleaners (except coin-operated) | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drycleaning and laundry machines, household-type, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Drycleaning equipment and machinery manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Drycleaning equipment and supplies merchant wholesalers | 423850 Service Establishment Equipment and Supplies Merchant Wholesalers | 125 employees |
| Drycleaning machine routes (i.e., concession operators), coin-operated or similar self-service | 812310 Coin-Operated Laundries and Drycleaners | $13 million in average annual receipts |
| Drycleaning plant construction | 236220 Commercial and Institutional Building Construction | $45 million in average annual receipts |
| Drycleaning plants (except rug cleaning plants) | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drycleaning preparations manufacturing | 325612 Polish and Other Sanitation Good Manufacturing | 900 employees |
| Drycleaning services (except coin-operated) | 812320 Drycleaning and Laundry Services (except Coin-Operated) | $8 million in average annual receipts |
| Drycleaning services, coin-operated or similar self-service | 812310 Coin-Operated Laundries and Drycleaners | $13 million in average annual receipts |
| Drydock, floating, building | 336611 Ship Building and Repairing | 1,300 employees |
| Drydocks, floating (i.e., routine repair and maintenance of ships) | 488390 Other Support Activities for Water Transportation | $47 million in average annual receipts |
| Dryer, clothes, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Dryer, clothes, rental | 532210 Consumer Electronics and Appliances Rental | $47 million in average annual receipts |
| Dryers, clothes, household-type, gas and electric, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Dryers, hair, merchant wholesalers | 423620 Household Appliances, Electric Housewares, and Consumer Electronics Merchant Wholesalers | 225 employees |
| Dryers, household-type laundry, manufacturing | 335220 Major Household Appliance Manufacturing | 1,500 employees |
| Dryers, laboratory-type, manufacturing | 339113 Surgical Appliance and Supplies Manufacturing | 800 employees |
| Dryers, laundry (except household-type), manufacturing | 333318 Other Commercial and Service Industry Machinery Manufacturing | 1,000 employees |
| Drying fish and seafood | 311710 Seafood Product Preparation and Packaging | 750 employees |
| Drying kilns, lumber, manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Drying machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Drywall contractors | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Drywall finishing (e.g., sanding, spackling, stippling, taping, texturing) | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Drywall hanging | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Drywall installation | 238310 Drywall and Insulation Contractors | $19 million in average annual receipts |
| Drywall supplies merchant wholesalers | 423320 Brick, Stone, and Related Construction Material Merchant Wholesalers | 150 employees |
| Duck pin bowling alleys | 713950 Bowling Centers | $12.5 million in average annual receipts |
| Duck pin bowling centers | 713950 Bowling Centers | $12.5 million in average annual receipts |
| Duck production | 112390 Other Poultry Production | $3.8 million in average annual receipts |
| Ducks weaving | 313210 Broadwoven Fabric Mills | 1,000 employees |
| Ducks, processing, fresh, frozen, canned, or cooked | 311615 Poultry Processing | 1,250 employees |
| Ducks, slaughtering and dressing | 311615 Poultry Processing | 1,250 employees |
| Duct cleaning services | 561790 Other Services to Buildings and Dwellings | $9 million in average annual receipts |
| Duct insulation installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Duct tape made from purchased materials | 322220 Paper Bag and Coated and Treated Paper Manufacturing | 750 employees |
| Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Ductile iron castings, unfinished, manufacturing | 331511 Iron Foundries | 1,000 employees |
| Ductile iron foundries | 331511 Iron Foundries | 1,000 employees |
| Ducting, fabricated metal plate work, manufacturing | 332313 Plate Work Manufacturing | 750 employees |
| Ducts for electrical switchboard apparatus manufacturing | 335313 Switchgear and Switchboard Apparatus Manufacturing | 1,250 employees |
| Ducts, sheet metal, manufacturing | 332322 Sheet Metal Work Manufacturing | 500 employees |
| Dude ranches | 721214 Recreational and Vacation Camps (except Campgrounds) | $9 million in average annual receipts |
| Dumbbells manufacturing | 339920 Sporting and Athletic Goods Manufacturing | 750 employees |
| Dumbwaiter installation | 238290 Other Building Equipment Contractors | $22 million in average annual receipts |
| Dumbwaiters manufacturing | 333921 Elevator and Moving Stairway Manufacturing | 1,000 employees |
| Dumortierite mining and/or beneficiating | 212325 Clay and Ceramic and Refractory Minerals Mining | 500 employees |
| Dump trailer manufacturing | 336212 Truck Trailer Manufacturing | 1,000 employees |
| Dump trucking (e.g., gravel, sand, top soil) | 484220 Specialized Freight (except Used Goods) Trucking, Local | $34 million in average annual receipts |
| Dump trucking of rubble or brush with collection or disposal | 562119 Other Waste Collection | $47 million in average annual receipts |
| Dump-truck lifting mechanisms manufacturing | 336211 Motor Vehicle Body Manufacturing | 1,000 employees |
| Dumpers, mining car, manufacturing | 333131 Mining Machinery and Equipment Manufacturing | 900 employees |
| Dumps, compost | 562219 Other Nonhazardous Waste Treatment and Disposal | $47 million in average annual receipts |
| Dumps, nonhazardous solid waste (e.g., trash) | 562212 Solid Waste Landfill | $47 million in average annual receipts |
| Dungarees cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dungarees, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 Infants' Cut and Sew Apparel Manufacturing | — |
| Dungarees, men's and boys', cut and sew apparel contractors | 315211 Men's and Boys' Cut and Sew Apparel Contractors | — |
| Dungarees, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315220 Men's and Boys' Cut and Sew Apparel Manufacturing | 750 employees |
| Dungarees, women's girls' and infants', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dungarees, women's, girls', and infants', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Dungarees, women's, misses', and girls', cut and sewn from pruchased fabric (except apparel contractors) | 315239 Women's and Girls' Cut and Sew Other Outerwear Manufacturing | — |
| Duplex (i.e., one unit above the other), construction general contractors | 236116 New Multifamily Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Duplex (i.e., side-by-side) construction general contractors | 236115 New Single-Family Housing Construction (except For-Sale Builders) | $45 million in average annual receipts |
| Duplex for-sale builders | 236117 New Housing For-Sale Builders | $45 million in average annual receipts |
| Duplex houses (i.e., single family) rental or leasing | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Duplex receptacles, electrical, manufacturing | 335931 Current-Carrying Wiring Device Manufacturing | 600 employees |
| Duplicating inks manufacturing | 325910 Printing Ink Manufacturing | 750 employees |
| Duplicating machine (e.g., copier) rental or leasing | 532420 Office Machinery and Equipment Rental and Leasing | $40 million in average annual receipts |
| Duplicating machines (e.g., key cutting), metalworking, manufacturing | 333517 Machine Tool Manufacturing | 500 employees |
| Durable goods agents and brokers, wholesale trade | 425120 Wholesale Trade Agents and Brokers | 125 employees |
| Durable goods business to business electronic markets, wholesale trade | 425110 Business to Business Electronic Markets | 125 employees |
| Durum flour manufacturing | 311211 Flour Milling | 1,050 employees |
| Dust and fume collecting equipment manufacturing | 333413 Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing | 500 employees |
| Dust cloths made from purchased fabrics | 314999 All Other Miscellaneous Textile Product Mills | 550 employees |
| Dust collecting and bag house equipment installation | 238220 Plumbing, Heating, and Air-Conditioning Contractors | $19 million in average annual receipts |
| Dust collection equipment merchant wholesalers | 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | 175 employees |
| Dust control textile item (e.g., cloths, mats, mops, rugs, shop towels) supply services | 812332 Industrial Launderers | $47 million in average annual receipts |
| Dusters (i.e., apparel) cut and sew apparel contractors | 315210 Cut and Sew Apparel Contractors | 750 employees |
| Dusters (i.e., apparel), women's and girls', cut and sew apparel contractors | 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors | — |
| Dusters (i.e., apparel), women's and girls', cut and sewn from purchased fabric (except apparel contractors) | 315240 Women's, Girls', and Infants' Cut and Sew Apparel Manufacturing | 750 employees |
| Dusters (i.e., apparel), women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing | — |
| Dusters, farm-type, manufacturing | 333111 Farm Machinery and Equipment Manufacturing | 1,250 employees |
| Dusting crops | 115112 Soil Preparation, Planting, and Cultivating | $9.5 million in average annual receipts |
| Duty free liquor shops | 445310 Beer, Wine, and Liquor Stores | $9 million in average annual receipts |
| DVD (digital video disc) drives, computer peripheral equipment, manufacturing | 334112 Computer Storage Device Manufacturing | 1,250 employees |
| DVD (digital video disc) players manufacturing | 334310 Audio and Video Equipment Manufacturing | 750 employees |
| Dwelling rental or leasing | 531110 Lessors of Residential Buildings and Dwellings | $34 million in average annual receipts |
| Dwellings, prefabricated metal, manufacturing | 332311 Prefabricated Metal Building and Component Manufacturing | 750 employees |
| Dye preparations, clothing, household-type, manufacturing | 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing | 650 employees |
| Dyeing broadwoven fabrics | 313311 Broadwoven Fabric Finishing Mills | — |
| Dyeing furs | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Dyeing gloves, woven or knit, for the trade | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Dyeing leather | 316110 Leather and Hide Tanning and Finishing | 800 employees |
| Dyeing machinery for textiles manufacturing | 333249 Other Industrial Machinery Manufacturing | 500 employees |
| Dyeing textile products and fabrics | 313310 Textile and Fabric Finishing Mills | 1,000 employees |
| Dyeing textile products and fabrics (except broadwoven fabrics) | 313312 Textile and Fabric Finishing (except Broadwoven Fabric) Mills | — |
| Dyes, industrial, merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Dyes, inorganic, manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Dyes, natural, manufacturing | 325194 Cyclic Crude, Intermediate, and Gum and Wood Chemical Manufacturing | 1,250 employees |
| Dyes, synthetic organic, manufacturing | 325130 Synthetic Dye and Pigment Manufacturing | 1,050 employees |
| Dyestuffs merchant wholesalers | 424690 Other Chemical and Allied Products Merchant Wholesalers | 175 employees |
| Dynamite manufacturing | 325920 Explosives Manufacturing | 750 employees |
| Dynamometers manufacturing | 334519 Other Measuring and Controlling Device Manufacturing | 600 employees |
| Dynamos, electric (except automotive), manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
| Dynamotors manufacturing | 335312 Motor and Generator Manufacturing | 1,250 employees |
Business activities are the U.S. Census Bureau's illustrative examples for each NAICS code, size standards the SBA's. An activity Census lists under a retired code and a code in use names only the code in use. Search NAICS codes
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