Data / Federal contracts / Professional, Scientific, and Technical Services
Open federal contracts for professional, scientific, and technical services (NAICS 541): 33
33 federal contract opportunities for professional, scientific, and technical services (NAICS 541) are open on SAM.gov, due between April 30, 2027 and August 29, 2030; 0 close within seven days. Most come from the Department of Defense (33). Most are performed in OH (5), FL (3), VA (1).
SpecStream is the live web data engine for teams and agents. It reads every open contract opportunity on SAM.gov each morning, and this page is that reading. Describe what your business does once and the opportunities that fit arrive in your sheet, CRM, Slack or agent as they post.
Every open opportunity, soonest deadline first
More open contracts
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 693
- 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing 576
- 236220 Commercial and Institutional Building Construction 372
- 332919 Other Metal Valve and Pipe Fitting Manufacturing 252
- 237990 Other Heavy and Civil Engineering Construction 239
- 541330 Engineering Services 197
- 332911 Industrial Valve Manufacturing 173
- 541990 All Other Professional, Scientific, and Technical Services 163
- 336611 Ship Building and Repairing 150
- 332510 Hardware Manufacturing 138
- 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 138
- 334412 Bare Printed Circuit Board Manufacturing 138
- 336412 Aircraft Engine and Engine Parts Manufacturing 133
- 339991 Gasket, Packing, and Sealing Device Manufacturing 122
- 334419 Other Electronic Component Manufacturing 120
- 332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing 113
- 333998 All Other Miscellaneous General Purpose Machinery Manufacturing 104
- 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 103
- 531120 Lessors of Nonresidential Buildings (except Miniwarehouses) 101
- 335931 Current-Carrying Wiring Device Manufacturing 99
- 334290 Other Communications Equipment Manufacturing 87
- 335312 Motor and Generator Manufacturing 83
- 333613 Mechanical Power Transmission Equipment Manufacturing 82
- 335311 Power, Distribution, and Specialty Transformer Manufacturing 79
- 541714 Research and Development in Biotechnology (except Nanobiotechnology) 76
- 335999 All Other Miscellaneous Electrical Equipment and Component Manufacturing 74
- 237310 Highway, Street, and Bridge Construction 72
- 332991 Ball and Roller Bearing Manufacturing 71
- 333618 Other Engine Equipment Manufacturing 71
- 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing 70
- 238220 Plumbing, Heating, and Air-Conditioning Contractors 70
- 811210 Electronic and Precision Equipment Repair and Maintenance 70
- 336411 Aircraft Manufacturing 69
- 334417 Electronic Connector Manufacturing 63
- 561210 Facilities Support Services 62
- 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance 60
- 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 59
- 238210 Electrical Contractors and Other Wiring Installation Contractors 59
- 333914 Measuring, Dispensing, and Other Pumping Equipment Manufacturing 56
- 333310 Commercial and Service Industry Machinery Manufacturing 55
- 335313 Switchgear and Switchboard Apparatus Manufacturing 55
- 336390 Other Motor Vehicle Parts Manufacturing 54
- 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing 53
- 541380 Testing Laboratories and Services 52
- 541519 Other Computer Related Services 46
- 541512 Computer Systems Design Services 45
- 237110 Water and Sewer Line and Related Structures Construction 44
- 336320 Motor Vehicle Electrical and Electronic Equipment Manufacturing 41
- 334519 Other Measuring and Controlling Device Manufacturing 41
- 334516 Analytical Laboratory Instrument Manufacturing 41
- 332996 Fabricated Pipe and Pipe Fitting Manufacturing 40
- 561730 Landscaping Services 39
- 333996 Fluid Power Pump and Motor Manufacturing 38
- 332710 Machine Shops 38
- 334413 Semiconductor and Related Device Manufacturing 37
- 335314 Relay and Industrial Control Manufacturing 37
- 334515 Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 37
- 561720 Janitorial Services 36
- 333612 Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing 36
- 488190 Other Support Activities for Air Transportation 34
Read from SAM.gov's public Contract Opportunities file on October 24, 2026, rebuilt every morning. Only notices still open for responses are shown; the notice on SAM.gov is the official record, so check it before you respond.