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
PROPELLER REPAIR IDIQ N64498-24-RFPREQ-PD-42-0004
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 541330
Posted Dec 17, 2025
Due Jan 29, 2026
3 days left
DH10-MOD to add Oracle integration service VISN 12 Data Innovations Universal Lab Interface
VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 541511
Posted Dec 17, 2025
Screening Obscuration Module (SOM) Multispectral
DEPT OF DEFENSE
ABERDEEN PROVING GROU, MD
NAICS 541715
Posted Dec 17, 2025
Due Mar 31, 2026
No Set Aside64 days left
SOUTHEAST FISHERIES OBSERVER PROGRAM (SEFOP) OBSERVER SERVICES EXTENSION JUSTIFICATION
COMMERCE, DEPARTMENT OF
SEATTLE, WA
NAICS 541715
Posted Dec 17, 2025
Deep Thoughts Future Program Announcement
DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541715
Posted Dec 17, 2025
Due Jan 30, 2026
4 days left
WFL AE Design IDIQ
TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 541330
Posted Dec 17, 2025
Due Jan 30, 2026
Partial Small Business4 days left
MHNC Expansion - Construction Phase Services
DEPT OF DEFENSE
NASHVILLE, TN
NAICS 541330
Posted Dec 17, 2025
NAVIFOR N4 Directorate Programs Support Services
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541512
Posted Dec 17, 2025
Small BusinessD-Thunderhead NOW Software License and Subscription Service
INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 541519
Posted Dec 17, 2025
Science Transport & Robotic Innovation for Deployment and Exploration (STRIDE) Program in NASA Research Announcement (NRA): RESEARCH OPPORTUNITIES IN SPACE AND EARTH SCIENCES (ROSES) 2025
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 54171
Posted Dec 17, 2025
Due Mar 7, 2026
39 days left
FEMA Continuous Improvement Division (CID) Blanket Purchase Agreement
HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541611
Posted Dec 17, 2025
Due Feb 13, 2026
18 days left
ESS Preventive Maintenance and Inspection Services
DEPT OF DEFENSE
NAICS 541519
Posted Dec 17, 2025
No Set AsideDG-Other ADP & Telecommunications Servi
DEPT OF DEFENSE
APO, AE
NAICS 541519
Posted Dec 17, 2025
COVID-19 After Action Report (AAR) Services
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541611
Posted Dec 17, 2025
CMPRO System Service and Maintenance
HOMELAND SECURITY, DEPARTMENT OF
NORFOLK, VA
NAICS 541511
Posted Dec 16, 2025
Small BusinessIRS Graphic Design Services
TREASURY, DEPARTMENT OF THE
Washington, DC
NAICS 541430
Posted Dec 16, 2025
Small BusinessH146-Water Quality and Monitoring Service
VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 541380
Posted Dec 16, 2025
Other Transaction Authority (OTA) Consortium Management Firm Award Notice
DEPT OF DEFENSE
PORT HUENEME, CA
NAICS 54171
Posted Dec 16, 2025
H146-Water Quality and Monitoring Service
VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 541380
Posted Dec 16, 2025
Plateau Regional Archaeological Curation Services Contract USACE U.S. Army Corps of Engineers, Northwestern Division W912P9
DEPT OF DEFENSE
SAINT LOUIS, MO
NAICS 541720
Posted Dec 16, 2025
Due Jan 30, 2026
4 days left
