Professional, Scientific, and Technical Services
5,672 active contract opportunities
5,672
Active Opportunities
5,207
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Engineering Services969
- Other Computer Related Services844
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)706
- All Other Professional, Scientific, and Technical Services467
- Administrative Management and General Management Consulting Services316
Set-Aside Distribution
- 3670
- Small Business650
- No Set Aside642
- SDVOSB449
- 8(a) Sole Source64
Top Locations
- VA846
- DC720
- MD494
- CO438
- CA317
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
Biometrics Operations Division Examination Support Services
DEPT OF DEFENSE
PICATINNY ARSENAL, NJ
NAICS 541990
Posted Jul 22, 2026
Due Aug 5, 2026
No Set AsideB-Apatite fission-track (AFT) and U-Pb analyses
INTERIOR, DEPARTMENT OF THE
SACRAMENTO, CA
NAICS 541380
Posted Jul 22, 2026
Due Aug 3, 2026
Request for Information (RFI) / Market Research for Strategic Management System (SMS) Enterprise Support Services
DEPT OF DEFENSE
ABERDEEN PROVING GROU, MD
NAICS 541611
Posted Jul 22, 2026
Due Aug 4, 2026
No Set Aside7A-Information Technology Purchase for Portsmouth Pad
ENERGY, DEPARTMENT OF
LEXINGTON, KY
NAICS 541519
Posted Jul 22, 2026
NATO Business Opportunity: Provision of NATO Open-Source Visualization Analytics
COMMERCE, DEPARTMENT OF
NAICS 541519
Posted Jul 22, 2026
Due Aug 17, 2026
Common Acoustic Simulation Environment Fidelity Improvement (CASE-FI) Product Enhancement
DEPT OF DEFENSE
PATUXENT RIVER, MD
NAICS 541715
Posted Jul 22, 2026
C-Remedial Acquisition Framework (RAF), Design and Engineering Services (DES)
ENVIRONMENTAL PROTECTION AGENCY
SAN FRANCISCO, CA
NAICS 541330
Posted Jul 22, 2026
Aeronautics and Space Programs and Policies Studies (ASPPS)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
WASHINGTON, DC
NAICS 541990
Posted Jul 22, 2026
Due Aug 6, 2026
No Set Aside7A-Information Technology Purchase for Portsmouth Pad
ENERGY, DEPARTMENT OF
LEXINGTON, KY
NAICS 541519
Posted Jul 22, 2026
Sound Testing IDIQ
DEPT OF DEFENSE
EDWARDS AFB, CA
NAICS 541380
Posted Jul 22, 2026
Due Aug 4, 2026
Small BusinessProcurement of APX N70 Radios and Equipment
JUSTICE, DEPARTMENT OF
GLYNCO, GA
NAICS 541519
Posted Jul 22, 2026
Due Aug 5, 2026
Small BusinessMultimedia Advertising
DEPT OF DEFENSE
HARTFORD, CT
NAICS 541890
Posted Jul 22, 2026
Due Aug 17, 2026
WOSB99-Hoover Dam Interpretive Design for Observation Level, Theaters, and Outdoor Are
INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 541430
Posted Jul 22, 2026
Due Aug 18, 2026
Expedited Research Innovation System (ERIS)
DEPT OF DEFENSE
ARLINGTON, VA
NAICS 541715
Posted Jul 22, 2026
Due Aug 1, 2027
Paleoenvironmental Analysis of Arch Collections
DEPT OF DEFENSE
SAINT LOUIS, MO
NAICS 541720
Posted Jul 22, 2026
Due Aug 5, 2026
R497-Interior Design Consulting -w/wd, BONLY, POP 7/27/2026 - 7/26/2027
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541410
Posted Jul 22, 2026
Intent to Sole Source MindGym Subscription Renewal
DEPT OF DEFENSE
NAICS 541511
Posted Jul 22, 2026
Due Aug 6, 2026
No Set AsideEnvironmental Restoration Architect Engineering IDIQ
DEPT OF DEFENSE
SILVERDALE, WA
NAICS 541330
Posted Jul 22, 2026
Small BusinessSystem Technical Support and Sustainment System Technical Support services for the AMPV and M113 Families of Vehicles.
DEPT OF DEFENSE
DETROIT ARSENAL, MI
NAICS 541330
Posted Jul 22, 2026
Due Aug 14, 2026
Long-Term Pavement Performance (LTPP) Program Engineering Services Contract (LPES)
TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541715
Posted Jul 22, 2026
Due Aug 5, 2026
No Set Aside
