Professional, Scientific, and Technical Services
7,086 active contract opportunities
7,086
Active Opportunities
6,296
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Engineering Services1196
- Other Computer Related Services1131
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)810
- All Other Professional, Scientific, and Technical Services576
- Administrative Management and General Management Consulting Services423
Set-Aside Distribution
- 4652
- No Set Aside767
- Small Business566
- SDVOSB550
- Small Business Set Aside - Total240
Top Locations
- VA1123
- DC883
- CO633
- MD631
- CA382
About NAICS541
The North American Industry Classification System (NAICS) code 541 covers professional, scientific, and technical services. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.
Related Industries
Notice of Intent to Increase Chinook Ceiling
DEPT OF DEFENSE
SPRINGFIELD, VA
NAICS 541511
Posted Sep 17, 2026
Due Oct 2, 2026
No Set AsideDA10-New Task Order - CostPerform Software Licenses and Maintenance Support (VA-26-00060903)
VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Sep 17, 2026
Mobile District Engineering Support Services
DEPT OF DEFENSE
MOBILE, AL
NAICS 541330
Posted Sep 17, 2026
8(a) Sole Source7G21-IPV6 Performance Testing Maintenance
VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Sep 17, 2026
SDVOSBManTech special Broad Agency Announcement (sBAA): Accelerating Maritime Modernization: Innovation in Naval Manufacturing, Sustainment, and Industrial Base Capability
DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541715
Posted Sep 17, 2026
Due Jul 16, 2027
J6 Program Management Office Support Services
DEPT OF DEFENSE
TAMPA, FL
NAICS 541519
Posted Sep 17, 2026
8(a) Set-AsideC-Gulfport MS Chiller Install Design
INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 541330
Posted Sep 17, 2026
R-FY2025-2026 Program/Project Management Services
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 17, 2026
B-P. MULLIN - NEW SC
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 17, 2026
R-Science and Technical Support Services IDIQ Contra
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 17, 2026
Fire Extinguisher & Hood Inspection
VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 541990
Posted Sep 17, 2026
SDVOSBB-Marble Bluff Dam and Fish Passage Facility XM PLAN
INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541330
Posted Sep 16, 2026
R707-HR and Program Management Support Services Sole Source - SDVOSB
VETERANS AFFAIRS, DEPARTMENT OF
AUGUSTA, GA
NAICS 541611
Posted Sep 16, 2026
Award Notice for CIVIL DESIGN INDEFINITE DELIVERY CONTRACTS (IDCs) WITHIN SAN FRANCISCO DISTRICT AND SOUTH PACIFIC DIVISION
DEPT OF DEFENSE
SAN FRANCISCO, CA
NAICS 541330
Posted Sep 16, 2026
Small Business Set Aside - TotalB-BLM-WY GREEN MTN CULTURAL CLASS 3 INVENTORY
INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 541620
Posted Sep 16, 2026
Award Notice for CIVIL DESIGN INDEFINITE DELIVERY CONTRACTS (IDCs) WITHIN SAN FRANCISCO DISTRICT AND SOUTH PACIFIC DIVISION
DEPT OF DEFENSE
SAN FRANCISCO, CA
NAICS 541330
Posted Sep 16, 2026
Small Business Set Aside - TotalAward Notice for CIVIL DESIGN INDEFINITE DELIVERY CONTRACTS (IDCs) WITHIN SAN FRANCISCO DISTRICT AND SOUTH PACIFIC DIVISION
DEPT OF DEFENSE
SAN FRANCISCO, CA
NAICS 541330
Posted Sep 16, 2026
Small Business Set Aside - TotalAdvanced Driver Assistance Systems (ADAS), on road networks at the Fish and Wildlife Services (FWS) National Wildlife Refuges (NWR)
TRANSPORTATION, DEPARTMENT OF
CAMBRIDGE, MA
NAICS 541715
Posted Sep 16, 2026
Due Oct 2, 2026
No Set AsideQ-NM DEXTER AQUATIC ANIMAL DISEASE TESTING
INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 541940
Posted Sep 16, 2026
Optoelectronics, Power Electronics and Radiation Effects
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541715
Posted Sep 16, 2026
Due Oct 16, 2026
No Set Aside
