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
Justification for Cancellation of Solicitation No. CS-119444-O
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
Bethesda, MD
NAICS 541519
Posted Jun 25, 2026
No Set AsideNOTICE of Intent to SOLE SOURCE - DS Government Solutions
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541380
Posted Jun 25, 2026
Due Jul 20, 2027
C211-589A6-26-415, Install Heating, Ventilation, and Air Conditioning System l EKH
VETERANS AFFAIRS, DEPARTMENT OF
LEAVENWORTH, KS
NAICS 541330
Posted Jun 25, 2026
SDVOSBINDEFINITE DELIVERY/INDEFINITE QUANTITY MULTIPLE AWARD CONTRACT FOR MULTIDISCIPLINE ARCHITECT-ENGINEER (A-E) SERVICES IN SUPPORT OF NORFOLK DISTRICT
DEPT OF DEFENSE
NORFOLK, VA
NAICS 541330
Posted Jun 25, 2026
Small BusinessFY2026 USPS OIG Broad Agency Announcement
POSTAL SERVICE
PHILADELPHIA, PA
NAICS 541990
Posted Jun 25, 2026
Due Sep 30, 2026
No Set AsideB-Analysis of Harmful Algal Blooms (HABs)
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541380
Posted Jun 25, 2026
B-PFAS CHEMICAL ANALYTICAL SERVICES
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541380
Posted Jun 25, 2026
7G-MACA - UPGRADE PARK RADIO SYSTEM
INTERIOR, DEPARTMENT OF THE
ATLANTA, GA
NAICS 541330
Posted Jun 25, 2026
B-Mass Notification and Wireless Communications Feasibility Study
INTERIOR, DEPARTMENT OF THE
BOULDER CITY, NV
NAICS 541618
Posted Jun 24, 2026
$625M USACE SPD Vertical AE Design MATOC Pre-Solicitation Notice
DEPT OF DEFENSE
SACRAMENTO, CA
NAICS 541330
Posted Jun 24, 2026
No Set AsideNRL Long Range Broad Agency Announcement (BAA) for Basic and Applied Research
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541715
Posted Jun 24, 2026
Due Sep 30, 2026
C-KNRI Title III AE Services
INTERIOR, DEPARTMENT OF THE
OMAHA, NE
NAICS 541310
Posted Jun 24, 2026
H-Fire Door Inspections for Seba Dalkai Boarding Sch
INTERIOR, DEPARTMENT OF THE
Albuquerque, NM
NAICS 541350
Posted Jun 24, 2026
Manufacturing Research and Technology Development Open Period
DEPT OF DEFENSE
WRIGHT PATTERSON AFB, OH
NAICS 541715
Posted Jun 24, 2026
Due Jun 22, 2031
Post Award Synopsis
DEPT OF DEFENSE
CRANE, IN
NAICS 541519
Posted Jun 24, 2026
No Set AsideDscout
EDUCATION, DEPARTMENT OF
WASHINGTON, DC
NAICS 541910
Posted Jun 24, 2026
Program Year 2026 Civilian Commercialization Readiness Pilot Program (CCRPP)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
NAICS 541715
Posted Jun 24, 2026
Due Aug 19, 2026
Small BusinessAviation and Missile R&D BAA
DEPT OF DEFENSE
FORT EUSTIS, VA
NAICS 541715
Posted Jun 24, 2026
Due Jul 3, 2029
Medicare Fee For Service Health Data Analytics Services
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
BALTIMORE, MD
NAICS 541611
Posted Jun 24, 2026
7B-HHS OIG Laptop Refresh
INTERIOR, DEPARTMENT OF THE
HERNDON, VA
NAICS 541519
Posted Jun 24, 2026
