Primary NAICS: 237990 - Other Heavy and Civil Engineering Construction
All Listed NAICS Codes
236220
Commercial and Institutional Building Construction
Small Business
237130
Power and Communication Line and Related Structures Construction
Small Business
237310
Highway, Street, and Bridge Construction
Small Business
237990
Dredging and Surface Cleanup Activities
Small Business
237990
Other Heavy and Civil Engineering Construction
Small Business
238160
Roofing Contractors
Small Business
238210
Electrical Contractors and Other Wiring Installation Contractors
Small Business
238220
Plumbing, Heating, and Air Conditioning Contractors
Small Business
238290
Other Building Equipment Contractors
Small Business
238320
Painting and Wall Covering Contractors
Small Business
334511
Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Small Business
488190
Other Support Activities for Air Transportation
Small Business
513210
Software Publishers
Small Business
541320
Landscape Architectural Services
Small Business
541330
Contracts and Subcontracts for Engineering Services Awarded Under the National Energy Policy Act of 1992
Small Business
541330
Engineering Services
Small Business
541330
Marine Engineering and Naval Architecture
Small Business
541330
Military and Aerospace Equipment and Military Weapons
Small Business
541350
Building Inspection Services
Small Business
541513
Computer Facilities Management Services
Small Business
541519
Information Technology Value Added Resellers
Small Business
541519
Other Computer Related Services
Small Business
541611
Administrative Management and General Management Consulting Services
Small Business
541614
Process, Physical Distribution and Logistics Consulting Services
Small Business
541715
Aircraft, Aircraft Engine and Engine Parts
Small Business
541715
Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts
Small Business
541715
Other Aircraft Parts and Auxiliary Equipment
Small Business
541715
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Small Business
541990
All Other Professional, Scientific and Technical Service s
Small Business
561210
Facilities Support Services
Small Business
561499
All Other Business Support Services
Small Business
561612
Security Guards and Patrol Services
Small Business
561621
Security Systems Services (except Locksmiths)
Small Business
561710
Exterminating and Pest Control Services
Small Business
561720
Janitorial Services
Small Business
561730
Landscaping Services
Small Business
562111
Solid Waste Collection
Small Business
811210
Electronic and Precision Equipment Repair and Maintenance
Small Business