Professional, Scientific, and Technical Services
4,112 active contract opportunities
4,112
Active Opportunities
205
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Engineering Services700
- Other Computer Related Services617
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)559
- All Other Professional, Scientific, and Technical Services308
- Administrative Management and General Management Consulting Services215
Set-Aside Distribution
- 2698
- Small Business466
- No Set Aside437
- SDVOSB320
- 8(a) Sole Source57
Top Locations
- VA639
- DC514
- MD370
- CA231
- CO219
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
Evaluate Fire Suppression Bldg. 126 at the Watervliet Arsenal, Watervliet , NY
DEPT OF DEFENSE
WATERVLIET, NY
NAICS 541990
Posted Dec 11, 2025
Due Dec 23, 2026
Small Business331 days left
Media Library Services
DEPT OF DEFENSE
DAHLGREN, VA
NAICS 541330
Posted Dec 11, 2025
8(a) Sole SourceR-Technical Support
ENERGY, DEPARTMENT OF
ALBUQUERQUE, NM
NAICS 541330
Posted Dec 11, 2025
BRIDGE JUSTIFICATION FOR AN EXCEPTION TO FAIR OPPORTUNITY (ORASE/OGD IT Grants Management Systems)
ENVIRONMENTAL PROTECTION AGENCY
Cincinnati, OH
NAICS 541512
Posted Dec 11, 2025
7A-FY26 Siemens PSSE Software Maintenance and Support
ENERGY, DEPARTMENT OF
LAKEWOOD, CO
NAICS 541519
Posted Dec 11, 2025
Sources Sought for Organization with Capabilities for Advanced Manufacturing Research and Development
DEPT OF DEFENSE
ORLANDO, FL
NAICS 541715
Posted Dec 11, 2025
Due Jan 28, 2026
No Set Aside2 days left
Enterprise Architecture, Data, and Engineering (EADE)
DEPT OF DEFENSE
SCOTT AFB, IL
NAICS 541512
Posted Dec 11, 2025
Small BusinessD-UPGRADE EPA WASP GRAPHICAL USER INTERFACE
ENVIRONMENTAL PROTECTION AGENCY
RESEARCH TRIANGLE PAR, NC
NAICS 541511
Posted Dec 11, 2025
R-Technical Assistance and Administrative Support (T
INTERIOR, DEPARTMENT OF THE
RESTON, VA
NAICS 541690
Posted Dec 10, 2025
R-Real Estate and Real Property Support Services
INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 541611
Posted Dec 10, 2025
Aircraft Carrier Readiness Support
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541330
Posted Dec 10, 2025
Due Mar 2, 2026
No Set Aside35 days left
Offshore Patrol Cutter Stage 1 Audit Services
HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541519
Posted Dec 10, 2025
High Resolution Three-Dimensional Geospatial Information Operations & Technology (HR3DGI O&TI III) OASIS+ Task Order
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541370
Posted Dec 10, 2025
Electronic Health Records System (EHRS)
TREASURY, DEPARTMENT OF THE
PARKERSBURG, WV
NAICS 541512
Posted Dec 10, 2025
No Set AsideStrategic Environmental Research and Development Program Supplemental Broad Agency Announcement
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541715
Posted Dec 10, 2025
Due Feb 5, 2026
10 days left
F-OR&R Chemical Hazard Response
COMMERCE, DEPARTMENT OF
NORFOLK, VA
NAICS 541990
Posted Dec 10, 2025
DF10-Omnicell and Oracle Health Integration
VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 541512
Posted Dec 10, 2025
R-VETERINARY SERVICES DELTA WILD HORSE AND BURRO CORRALS
INTERIOR, DEPARTMENT OF THE
SALT LAKE CITY, UT
NAICS 541940
Posted Dec 9, 2025
VHA-Office of Finance-Recovery Audit Services (Contract No. 36C10X26C0002)
VETERANS AFFAIRS, DEPARTMENT OF
FREDERICK, MD
NAICS 541219
Posted Dec 9, 2025
No Set Aside7A-FY26 UIPath Software License Renewal
ENERGY, DEPARTMENT OF
LAKEWOOD, CO
NAICS 541519
Posted Dec 9, 2025
