Hayes, Seay, Mattern & Mattern, Inc.
Part of AECOM
- UEI
- KDGXTHHCYDS7
- CAGE
- 2D848
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Expired
Company facts
- FY2025 rankings
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Its parent company, AECOM, ranks:
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
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- 111421 Nursery and Tree Production
- 113210 Forest Nurseries and Gathering of Forest Products
- 213111 Drilling Oil and Gas Wells
- 213112 Support Activities for Oil and Gas Operations
- 213113 Support Activities for Coal Mining
- 213114 Support Activities for Metal Mining
- 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining
- 221310 Water Supply and Irrigation Systems
Show all 81
- 221320 Sewage Treatment Facilities
- 236118 Residential Remodelers
- 236210 Industrial Building Construction
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237120 Oil and Gas Pipeline and Related Structures Construction
- 237130 Power and Communication Line and Related Structures Construction
- 237210 Land Subdivision
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 238910 Site Preparation Contractors
- 481211 Nonscheduled Chartered Passenger Air Transportation
- 481212 Nonscheduled Chartered Freight Air Transportation
- 483111 Deep Sea Freight Transportation
- 488510 Freight Transportation Arrangement
- 488991 Packing and Crating
- 488999 All Other Support Activities for Transportation
- 493110 General Warehousing and Storage
- 511210 Software Publishers
- 519190 All Other Information Services
- 531311 Residential Property Managers
- 531312 Nonresidential Property Managers
- 531390 Other Activities Related to Real Estate
- 541310 Architectural Services
- 541320 Landscape Architectural Services
- 541340 Drafting Services
- 541350 Building Inspection Services
- 541360 Geophysical Surveying and Mapping Services
- 541370 Surveying and Mapping (except Geophysical) Services
- 541380 Testing Laboratories and Services
- 541410 Interior Design Services
- 541430 Graphic Design Services
- 541490 Other Specialized Design Services
- 541511 Custom Computer Programming Services
- 541512 Computer Systems Design Services
- 541513 Computer Facilities Management Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541614 Process, Physical Distribution, and Logistics Consulting Services
- 541618 Other Management Consulting Services
- 541620 Environmental Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541720 Research and Development in the Social Sciences and Humanities
- 541990 All Other Professional, Scientific, and Technical Services
- 561110 Office Administrative Services
- 561210 Facilities Support Services
- 561421 Telephone Answering Services
- 561520 Tour Operators
- 561599 All Other Travel Arrangement and Reservation Services
- 561611 Investigation and Personal Background Check Services
- 561612 Security Guards and Patrol Services
- 561730 Landscaping Services
- 561790 Other Services to Buildings and Dwellings
- 561990 All Other Support Services
- 562211 Hazardous Waste Treatment and Disposal
- 562212 Solid Waste Landfill
- 562213 Solid Waste Combustors and Incinerators
- 562219 Other Nonhazardous Waste Treatment and Disposal
- 562910 Remediation Services
- 562998 All Other Miscellaneous Waste Management Services
- 712120 Historical Sites
- 712190 Nature Parks and Other Similar Institutions
- 722310 Food Service Contractors
- 813312 Environment, Conservation and Wildlife Organizations
- 922160 Fire Protection
- 922190 Other Justice, Public Order, and Safety Activities
- 924110 Administration of Air and Water Resource and Solid Waste Management Programs
- 924120 Administration of Conservation Programs
- 925120 Administration of Urban Planning and Community and Rural Development
- 926110 Administration of General Economic Programs
- 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities
- 928110 National Security
- Corporate family
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Parent
Dallas, TX
NACNFSZD87F6
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Parent
Dallas, TX
NACNFSZD87F6
- SAM.gov registration date
- Website
- aecom.com
- Founded
- 1990
- Employees
- 10K-50K
- Estimated annual revenue
- $10B+
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Quick answers
Is Hayes, Seay, Mattern & Mattern, Inc. registered in SAM.gov?
Hayes, Seay, Mattern & Mattern, Inc.'s SAM.gov registration expired on December 12, 2021.
What is Hayes, Seay, Mattern & Mattern, Inc.'s CAGE code?
Hayes, Seay, Mattern & Mattern, Inc.'s CAGE code is 2D848, and its Unique Entity ID (UEI) is KDGXTHHCYDS7.
How does Hayes, Seay, Mattern & Mattern, Inc. rank among federal contractors?
Hayes, Seay, Mattern & Mattern, Inc.'s parent company, AECOM, ranked #1 in NAICS 54131, #1 in PSC C and #5 in PSC N045 in FY2025.
What is Hayes, Seay, Mattern & Mattern, Inc.'s most recent federal award?
Hayes, Seay, Mattern & Mattern, Inc.'s most recent federal contract award is Design services (0007), from Engineering Support Center Huntsville (USACE), on February 21, 2012.
On GovTribe
See Hayes, Seay, Mattern & Mattern, Inc.'s full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
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