Professional, Scientific, and Technical Services
4,113 active contract opportunities
4,113
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
- 2699
- Small Business466
- No Set Aside437
- SDVOSB320
- 8(a) Sole Source57
Top Locations
- VA639
- DC515
- 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
SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 541211
Posted Nov 13, 2025
SSAE 18 Examinations and Financial Statement Audits Blanket Purchase Agreement
DEPT OF DEFENSE
COLUMBUS, OH
NAICS 541211
Posted Nov 13, 2025
Chemical-Free Light-Driven Destruction of Per- And Polyfluoroalkyl Substances (PFASs) Using Non-Toxic Boron Nitride (BN)
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541715
Posted Nov 13, 2025
F-Region 3: The purpose of the Superfund Technical A
ENVIRONMENTAL PROTECTION AGENCY
PHILADELPHIA, PA
NAICS 541620
Posted Nov 13, 2025
C1DA-621-24-112- A/E Renovate B34 Clock Tower for Physical Therapy
VETERANS AFFAIRS, DEPARTMENT OF
MURFREESBORO, TN
NAICS 541330
Posted Nov 13, 2025
SDVOSBEvaporative Cooling Infrastructure: Leveraging Stormwater Runoff for Urban Heat Island Mitigation
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541715
Posted Nov 13, 2025
**IRA FUNDED**Design Changes & Drawing Services - B34 AASC
ENERGY, DEPARTMENT OF
MORGANTOWN, WV
NAICS 541330
Posted Nov 13, 2025
No Set AsideF103-SF-Legionella Water Testing | Base + 4
VETERANS AFFAIRS, DEPARTMENT OF
MATHER, CA
NAICS 541380
Posted Nov 12, 2025
SDVOSBDeveloping a Regional Environmental Analysis Module for the Arctic-EDS
DEPT OF DEFENSE
ALEXANDRIA, VA
NAICS 541715
Posted Nov 12, 2025
J&A 25-012 for RECS Extension
DEPT OF DEFENSE
HUNTSVILLE, AL
NAICS 541513
Posted Nov 12, 2025
Q702-Jacksonville NC Initial Outfitting Transition & Activation (IOTA) Services Contract
VETERANS AFFAIRS, DEPARTMENT OF
INDEPENDENCE, OH
NAICS 541614
Posted Nov 12, 2025
SDVOSBHydropower HSS In-depth Inspection Services RS Kerr and Broken Bow
DEPT OF DEFENSE
TULSA, OK
NAICS 541380
Posted Nov 10, 2025
Small BusinessH141-HVAC Fire Damper Testing Services
VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 541350
Posted Nov 10, 2025
SDVOSBElevator Inspection Services, Gulf Coast Veterans Health Care System, Engineering Service, 400 Veterans Avenue, Biloxi, MS 39531
VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 541350
Posted Nov 7, 2025
SDVOSBDA10-OPT3 DSS Databridge CIS Perpetual PM MOD P00005 MOD P00005 Exercise OPT YR4 12/01/2025-11/30/26
VETERANS AFFAIRS, DEPARTMENT OF
TOGUS, ME
NAICS 541519
Posted Nov 7, 2025
Customer Care Prototyping - Commercial Solution Opening (Notice of Availability)
DEPT OF DEFENSE
ROSSLYN, VA
NAICS 541512
Posted Nov 7, 2025
Due Nov 4, 2026
282 days left
B77H DDG51 Stack Emissions Testing
DEPT OF DEFENSE
PHILADELPHIA, PA
NAICS 541990
Posted Nov 7, 2025
8(a) Sole SourceINTELLIGENCE, SURVEILLANCE, ANDRECONNAISSANCE (ISR) SYSTEMS AND INFORMATION OPERATIONS (IO) FROM SEABED TO SPACE (S2ISR)
DEPT OF DEFENSE
SAN DIEGO, CA
NAICS 541715
Posted Nov 7, 2025
Enterprise Operations System and Support Services (EOSS) (47QDCB21F0005), FAR 52.217-8 Incorporation LSJ
GENERAL SERVICES ADMINISTRATION
Washington, DC
NAICS 541519
Posted Nov 6, 2025
J066-Roche 6800 Analyzer Removal Service Emergency Sole Soure Notification
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541990
Posted Nov 6, 2025
