Professional, Scientific, and Technical Services
7,086 active contract opportunities
7,086
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 Services576
- Administrative Management and General Management Consulting Services423
Set-Aside Distribution
- 4652
- No Set Aside767
- Small Business566
- SDVOSB550
- Small Business Set Aside - Total240
Top Locations
- VA1123
- DC883
- 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.
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NAICS 541511
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ESTCP Thermal Energy Network Feasibility Studies
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NAICS 541350
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NAICS 541
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Posted Sep 29, 2026
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NAICS 541330
Posted Sep 29, 2026
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Justification to Award Sole Source - Insider Threat Monitoring Tool
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NAICS 541512
Posted Sep 29, 2026