Professional, Scientific, and Technical Services
7,085 active contract opportunities
7,085
Active Opportunities
6,296
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Engineering Services1196
- Other Computer Related Services1131
- Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)810
- All Other Professional, Scientific, and Technical Services575
- Administrative Management and General Management Consulting Services423
Set-Aside Distribution
- 4652
- No Set Aside766
- Small Business566
- SDVOSB550
- Small Business Set Aside - Total240
Top Locations
- VA1123
- DC882
- CO633
- MD631
- CA382
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
H-HAFE-242454-FLTP-CMR
INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 541330
Posted Sep 21, 2026
B-STUDENT SERVICE CONTRACT - SARA JULIAN
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541990
Posted Sep 21, 2026
Defense Meteorological Satellite Program (DMSP) Sensor Support
DEPT OF DEFENSE
PETERSON AFB, CO
NAICS 541330
Posted Sep 21, 2026
Due Oct 14, 2026
No Set AsideF-Remedial Acquisition Framework (RAF), Design and E
ENVIRONMENTAL PROTECTION AGENCY
SAN FRANCISCO, CA
NAICS 541330
Posted Sep 21, 2026
Bonneville BN1 Old NL Bridge Replacement
DEPT OF DEFENSE
PORTLAND, OR
NAICS 541330
Posted Sep 21, 2026
AST Inspections and Certifications
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541620
Posted Sep 21, 2026
SDVOSBAward Notice - NMMC Standalone RFID Firearm Accountability System
DEPT OF DEFENSE
QUANTICO, VA
NAICS 541512
Posted Sep 21, 2026
Small Business Set Aside - TotalC-NAMA 355397 Rehabilitate Tidal Basin Seawalls - Design Services for Progressive Design-Build (PDB) Program of Requirements (POR)
INTERIOR, DEPARTMENT OF THE
Denver, CO
NAICS 541330
Posted Sep 21, 2026
C-COLO A/E STABILIZE JR SHORELINE
INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 541330
Posted Sep 21, 2026
AST & Transformer Inspections
VETERANS AFFAIRS, DEPARTMENT OF
Gilbert, AZ
NAICS 541620
Posted Sep 21, 2026
SDVOSB7A-26-IT-LOGRHYTHM-SM-01
INTERIOR, DEPARTMENT OF THE
DENVER, CO
NAICS 541519
Posted Sep 21, 2026
C-Multiple Award IDIQ- Professional Fire Protection
INTERIOR, DEPARTMENT OF THE
Washington, DC
NAICS 541330
Posted Sep 21, 2026
Market forecast analyses for West Nile virus (WNV) vaccine and anti-WNV monoclonal antibody for prophylaxis
HEALTH AND HUMAN SERVICES, DEPARTMENT OF
ATLANTA, GA
NAICS 541715
Posted Sep 21, 2026
J&A for Bridge Contract No. N62478-20-D-5037, AE IDIQ Contract for Utility Projects, NAVFAC Hawaii AOR
DEPT OF DEFENSE
PEARL HARBOR, HI
NAICS 541330
Posted Sep 21, 2026
H-1 Sustaining Engineering Support Services
DEPT OF DEFENSE
ROBINS AFB, GA
NAICS 541330
Posted Sep 21, 2026
Due Oct 6, 2026
No Set AsideDA01-47QTCA25D00AX 36C10B26F037 AI Veteran-Centered Submission Ecosystem
VETERANS AFFAIRS, DEPARTMENT OF
EATONTOWN, NJ
NAICS 541519
Posted Sep 21, 2026
R-STANLEY CREEK CULTURAL SURVEY PHASE 2
INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 541620
Posted Sep 21, 2026
Industrial Base Analysis Support
DEPT OF DEFENSE
WASHINGTON, DC
NAICS 541611
Posted Sep 21, 2026
Indefinite Delivery Contract for Architect and Engineering (A-E) Services for Surveying and Mapping Services to Support the Jacksonville District and USACE
DEPT OF DEFENSE
JACKSONVILLE, FL
NAICS 541370
Posted Sep 21, 2026
Due Oct 22, 2026
SENTINEL Secure Chat Server
DEPT OF DEFENSE
NORTH CHARLESTON, SC
NAICS 541511
Posted Sep 21, 2026
