Professional, Scientific, and Technical Services
5,673 active contract opportunities
5,673
Active Opportunities
5,208
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
- 3671
- 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
R499-Notice of Intent to Sole Source Surgical Communicator - Innovation Project
VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 541519
Posted Jul 26, 2026
Due Aug 3, 2026
Rivercane Site Suitability Assessment for Post-Hurricane Helene Recovery
AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 541690
Posted Jul 26, 2026
Due Aug 3, 2026
Small BusinessB-S. UDDIN - NEW SC
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Jul 25, 2026
National Qualified Representative Program
JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541110
Posted Jul 25, 2026
Due Aug 10, 2026
No Set AsideLegal Access Services for Reunified Families Program
JUSTICE, DEPARTMENT OF
WASHINGTON, DC
NAICS 541110
Posted Jul 25, 2026
Due Aug 10, 2026
No Set AsideDevelopment of a Transmit Controller System to Support Use of a SURTASS LFA CLTS Single Element Projector
DEPT OF DEFENSE
PORT HUENEME, CA
NAICS 541715
Posted Jul 25, 2026
No Set AsideMortuary Affairs and Fatality Management Integrator (MAFMI) Services
DEPT OF DEFENSE
LANSING, MI
NAICS 541611
Posted Jul 24, 2026
SDVOSBNotice of Intent for Sole-Source Award - First WA Robotics Team
DEPT OF DEFENSE
CAMP MURRAY, WA
NAICS 541890
Posted Jul 24, 2026
Due Aug 8, 2026
Small BusinessNotice of Intent for Sole-Source Award - Playfly Sports Properties
DEPT OF DEFENSE
CAMP MURRAY, WA
NAICS 541850
Posted Jul 24, 2026
Due Aug 8, 2026
Small BusinessNotice of Intent for Sole-Source Award - Lamar Advertising
DEPT OF DEFENSE
CAMP MURRAY, WA
NAICS 541850
Posted Jul 24, 2026
Due Aug 8, 2026
Small BusinessFunctional MRI following Transcranial Direct Current Stimulation (tDCS)
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BETHESDA, MD
NAICS 541990
Posted Jul 24, 2026
Due Aug 3, 2026
No Set AsideMolecular Analysis of Circulating Biomarkers and Biomarkers and Biopsy Specimens Analysis
VETERANS AFFAIRS, DEPARTMENT OF
LINTHICUM, MD
NAICS 541715
Posted Jul 24, 2026
Due Aug 7, 2026
No Set AsideNational Laboratory of the Rockies AUDIO/VISUAL IMPROVEMENTS
ENERGY, DEPARTMENT OF
Golden, CO
NAICS 541512
Posted Jul 24, 2026
Due Aug 21, 2026
No Set AsideInternational Organization for Standardization (ISO) 9001:2015
HOMELAND SECURITY, DEPARTMENT OF
WASHINGTON, DC
NAICS 541611
Posted Jul 24, 2026
Due Aug 3, 2026
Notice of Intent for Sole-Source Award - Huskies Sports Properties
DEPT OF DEFENSE
CAMP MURRAY, WA
NAICS 541850
Posted Jul 24, 2026
Due Aug 8, 2026
Small BusinessMobile Integrated Launch Capability
DEPT OF DEFENSE
NAICS 541715
Posted Jul 24, 2026
Due Sep 30, 2028
No Set AsideVACCHCS Life Savings Drawings
VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 541690
Posted Jul 24, 2026
Due Aug 11, 2026
SDVOSBINDEFINITE DELIVERY CONTRACT (IDC) FOR GEOTECHNICAL ARCHITECTURE-ENGINEERING (A-E) SERVICES FOR OMAHA DISTRICT, US ARMY CORPS OF ENGINEERS
DEPT OF DEFENSE
OMAHA, NE
NAICS 541330
Posted Jul 24, 2026
No Set AsideDA10-AchieveIT KCVA,(ME) (VA-26-00067303)
VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Jul 24, 2026
SDVOSBCampus & BLDG GIS for Space Visualization, Management/Wayfinding
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541360
Posted Jul 24, 2026
Due Aug 13, 2026
SDVOSB
