Professional, Scientific, and Technical Services
5,671 active contract opportunities
5,671
Active Opportunities
5,206
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)705
- All Other Professional, Scientific, and Technical Services467
- Administrative Management and General Management Consulting Services316
Set-Aside Distribution
- 3669
- 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
B-L. GEZOVICH - NEW SC
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541370
Posted Jul 17, 2026
Cooperative Driving Automation (CDA) Small-Scale Industry Prototype
TRANSPORTATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541715
Posted Jul 17, 2026
No Set AsideC-Provide Architect & Engineer Design Services - CHCH MOAB
INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 541330
Posted Jul 17, 2026
C-Provide Architect/Engineering (A/E) Professional Services - MACA Pre-design to Stabilize Retaining Walls
INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 541330
Posted Jul 17, 2026
Indefinite Delivery Multiple Award Task Order Contract (MATOC) for Survey, Mapping, and Related Services
DEPT OF DEFENSE
ANCHORAGE, AK
NAICS 541370
Posted Jul 16, 2026
Due Aug 7, 2026
No Set AsideUSDA Forest Service Land Management Integrated Resources (LMIR) BPAs Land Mgmt Plan for Greater Sage Grouse
AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 541620
Posted Jul 16, 2026
Due Aug 6, 2026
Small BusinessCultural Resource Surveys on the Monongahela National Forest.
AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 541720
Posted Jul 16, 2026
Due Aug 7, 2026
Small BusinessHypoxia Chamber Services
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
HOUSTON, TX
NAICS 541714
Posted Jul 16, 2026
Due Aug 24, 2026
No Set AsideNAHLN Diagnostic Testing Services
AGRICULTURE, DEPARTMENT OF
MINNEAPOLIS, MN
NAICS 541940
Posted Jul 16, 2026
Due Jun 16, 2027
No Set AsideSenior Engineering Services
DEPT OF DEFENSE
NATICK, MA
NAICS 541330
Posted Jul 16, 2026
Due Aug 3, 2026
Small BusinessDE01-ECO CCI Managed Services VA-27-00000467
VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541512
Posted Jul 16, 2026
Expert Witness Services for analysis of Contractor RBC claims
DEPT OF DEFENSE
LOUISVILLE, KY
NAICS 541611
Posted Jul 16, 2026
No Set AsideC-ULSG Geothermal Heat Pumps AE Site Services
INTERIOR, DEPARTMENT OF THE
OMAHA, NE
NAICS 541310
Posted Jul 16, 2026
Justification and Approval - Vulnerability Disclosure Policy Platform (VDP) Platform
GENERAL SERVICES ADMINISTRATION
KANSAS CITY, MO
NAICS 541519
Posted Jul 16, 2026
Market Research for Architect-Engineer Services for Civil Engineering Projects at Various Locations, Naval Facilities Engineering Systems Command (NAVFAC) Hawaii Areas
DEPT OF DEFENSE
PEARL HARBOR, HI
NAICS 541330
Posted Jul 16, 2026
Due Aug 6, 2026
BAA - ROBINS AFB AE IDIQ 27
DEPT OF DEFENSE
ROBINS AFB, GA
NAICS 541330
Posted Jul 16, 2026
Due Aug 11, 2026
Small BusinessJustification for Other than Full and Open Competition- RAND National Defense Research Institute (NDRI)
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541715
Posted Jul 16, 2026
Naval Information Warfighting Development Center Electronic Warfare Data IDIQ
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541511
Posted Jul 16, 2026
Due Aug 18, 2026
Small BusinessReasonable Accommodation Support Services
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541612
Posted Jul 16, 2026
DA01-Zeiss Forum Support Agrmt VISN23
VETERANS AFFAIRS, DEPARTMENT OF
Saint Paul, MN
NAICS 541519
Posted Jul 16, 2026