The Mainsite Group Corporation

Company facts

Self-certified in SAM.gov

• For Profit Organization
• Woman Owned Business
• Woman Owned Small Business
• Black American Owned
• Self Certified Small Disadvantaged Business

Entity structure

Corporate Entity (Not Tax Exempt)

Other NAICS codes in SAM.gov

• 115310 Support Activities for Forestry
• 213112 Support Activities for Oil and Gas Operations
• 236220 Commercial and Institutional Building Construction
• 237110 Water and Sewer Line and Related Structures Construction
• 237310 Highway, Street, and Bridge Construction
• 237990 Other Heavy and Civil Engineering Construction
• 238160 Roofing Contractors
• 238190 Other Foundation, Structure, and Building Exterior Contractors

Show all 61

• 238210 Electrical Contractors and Other Wiring Installation Contractors
• 238290 Other Building Equipment Contractors
• 238310 Drywall and Insulation Contractors
• 238330 Flooring Contractors
• 238910 Site Preparation Contractors
• 238990 All Other Specialty Trade Contractors
• 322299 All Other Converted Paper Product Manufacturing
• 323111 Commercial Printing (except Screen and Books)
• 323117 Books Printing
• 323120 Support Activities for Printing
• 333310 Commercial and Service Industry Machinery Manufacturing
• 339940 Office Supplies (except Paper) Manufacturing
• 445110 Supermarkets and Other Grocery Retailers (except Convenience Retailers)
• 455110 Department Stores
• 541310 Architectural Services
• 541350 Building Inspection Services
• 541430 Graphic Design Services
• 541612 Human Resources Consulting Services
• 541613 Marketing 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
• 541820 Public Relations Agencies
• 561110 Office Administrative Services
• 561210 Facilities Support Services
• 561311 Employment Placement Agencies
• 561312 Executive Search Services
• 561330 Professional Employer Organizations
• 561410 Document Preparation Services
• 561499 All Other Business Support Services
• 561621 Security Systems Services (except Locksmiths)
• 561720 Janitorial Services
• 561730 Landscaping Services
• 561790 Other Services to Buildings and Dwellings
• 561990 All Other Support Services
• 562111 Solid Waste Collection
• 562112 Hazardous Waste Collection
• 562211 Hazardous Waste Treatment and Disposal
• 562910 Remediation Services
• 562998 All Other Miscellaneous Waste Management Services
• 611420 Computer Training
• 611430 Professional and Management Development Training
• 611699 All Other Miscellaneous Schools and Instruction
• 611710 Educational Support Services
• 621511 Medical Laboratories
• 623210 Residential Intellectual and Developmental Disability Facilities
• 624230 Emergency and Other Relief Services
• 711510 Independent Artists, Writers, and Performers
• 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
• 811412 Appliance Repair and Maintenance
• 813920 Professional Organizations

SAM.gov registration date

Jun 27, 2022

Physical address

1507 McArthur Dr, Duncanville, TX 75137, USA

Website

themainsitegroupcorp.com

Industry

1. Industrials
2. Commercial & Professional Services
3. Professional Services
4. Consulting

SIC code

87 Engineering & Management Services

Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated Sep 11, 2026.