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The Professional, Scientific, and Technical Services sector comprises establishments that specialize in performing professional, scientific, and technical activities for others. These activities require a high degree of expertise and training. The establishments in this sector specialize according to expertise and provide these services to clients in a variety of industries and, in some cases, to households. Activities performed include: legal advice and representation; accounting, bookkeeping, and payroll services; architectural, engineering, and specialized design services; computer services; consulting services; research services; advertising services; photographic services; translation and interpretation services; veterinary services; and other professional, scientific, and technical services. This sector excludes establishments primarily engaged in providing a range of day-to-day office administrative services, such as financial planning, billing and recordkeeping, personnel, and physical distribution and logistics. These establishments are classified in Sector 56, Administrative and Support and Waste Management and Remediation Services.

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Showing 5551–5600 of 6090 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
Protecting Army Modernization and Supply Chains- Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 06, 2030
Protecting Army Modernization and Supply Chains- Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 06, 2030
Washington Headquarters Services Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 12, 2030
Updated Master Solicitation for Commodity Procurement - International Programs (MSCP-I)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Updated Master Solicitation for Commodity Procurements - Domestic Programs (MSCP-D)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 20, 2026
Washington Headquarters Services Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 12, 2030
How to do Business with U.S. Customs and Border Protection
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2029
CBP's Industry Partnership and Outreach Program Office
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2029
Technical Expertise and Support Services for FHWA Office of Safety - Industry Day Presentation Slides
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025
Updated Master Solicitation for Commodity Procurement - International Programs (MSCP-I)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 07, 2026
How to do Business with U.S. Customs and Border Protection
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2029
Technology Transfer Licensing Opportunity: Diagnostic Kit to Detect Human Infertility
54 - Professional, Scientific, and Technical Services
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May. 14, 2026
Expert Services Sources Sought Notice
54 - Professional, Scientific, and Technical Services
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Mar. 01, 2026
Updated Master Solicitation for Commodity Procurement - Domestic Programs (MSCP-D)
54 - Professional, Scientific, and Technical Services
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Jun. 13, 2026
Washington Headquarters Services Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Mar. 12, 2030
Microelectronics Innovation for Next-generation System Advancement and Validation (MINSAV) Advanced Research Announcement (ARA) with Calls
54 - Professional, Scientific, and Technical Services
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Oct. 01, 2029
RESEARCH OPPORTUNITIES IN SPACE AND EARTH SCIENCES (ROSES) 2025
54 - Professional, Scientific, and Technical Services
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Sep. 08, 2026
Virtual Power Plant or Distributed Energy Resource Energy Resource Management System Pilot Project
54 - Professional, Scientific, and Technical Services
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Jan. 22, 2026
NHHC NMUSN Industry Day Notice
54 - Professional, Scientific, and Technical Services
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Aug. 18, 2026
Updated Master Solicitation for Commodity Procurement - Domestic Programs (MSCP-D)
54 - Professional, Scientific, and Technical Services
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Jan. 23, 2026
Department of Veterans Affairs, VA Innovation Ecosystem (VHAIE); Broad Agency Announcement (BAA); Suicide Prevention
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Department of Veterans Affairs, VA Innovation Ecosystem (VHAIE); Broad Agency Announcement (BAA); Suicide Prevention
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
Long Range BAA for the Undersea Security Program
54 - Professional, Scientific, and Technical Services
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Aug. 10, 2026
2024 Department of Homeland Security (DHS) Directorate of Science and Technology (S&T) Long Range Broad Agency Announcement (LRBAA) 24-01
54 - Professional, Scientific, and Technical Services
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May. 31, 2029
Updated Master Solicitation for Commodity Procurements - International Programs
54 - Professional, Scientific, and Technical Services
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Sep. 11, 2026
Updated Master Solicitation for Commodity Procurements - International Programs (MSCP-I)
54 - Professional, Scientific, and Technical Services
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Sep. 28, 2026
Enterprise Occupation Structure and Standards Development Support Services
54 - Professional, Scientific, and Technical Services
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Oct. 15, 2026
Payloads and Research Investigations on the Surface of the Moon (PRISM) Appendix F.10 in NASA Research Announcement (NRA) RESEARCH OPPORTUNITIES IN SPACE AND EARTH SCIENCES (ROSES) 2025
54 - Professional, Scientific, and Technical Services
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Jan. 30, 2026
NRL Long Range Broad Agency Announcement (BAA) for Basic and Applied Research
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2026
Updated Master Solicitation for Commodity Procurement - Domestic Programs (MSCP-D)
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2026
CBP 's Industry Partnership and Outreach Program Office FY26 Office of Information and Technology (OIT)
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2025
JPEO-CBRND RFI - Genomic Sequencing Workflows
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
JPEO-CBRND RFI - Innovation in Biologics Manufacturing
54 - Professional, Scientific, and Technical Services
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Dec. 22, 2025
BARDA Vaccine Medical Countermeasures for Pandemic Influenza Preparedness & Response
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Guaranteed Underwriting System (GUS) Business to Government (B2G) Support Services \u2013 Security Application Programming Interface (API) Subject Matter Expert (SME)
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
GSI Maintenance
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
MAKING OBSTETRIC CARE SMART (MOCS)
54 - Professional, Scientific, and Technical Services
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Dec. 10, 2025
Notification of Continuing Appropriations
54 - Professional, Scientific, and Technical Services
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Jan. 30, 2026
Bureau of Engraving and Printing (BEP) Request for Information (RFI) - Device Assisted Security Features - FY26
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 15, 2026
Bureau of Engraving and Printing (BEP) Request for Information (RFI) - R&D Hidden Machine-Readable Security Features - FY26
54 - Professional, Scientific, and Technical Services
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Nov. 15, 2026
Bureau of Engraving and Printing (BEP) Request for Information (RFI) - R&D Overt Security Features - FY26
54 - Professional, Scientific, and Technical Services
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Nov. 15, 2026
JPEO-CBRND RFI - Genomic Sequencing Workflows
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
USAC RFI: Penetration Testing as a Service
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
Multimedia Environmental Compliance Services with an Emphasis on Fuel Storage Tanks\/Spill, Air Quality, and Waste\/Materials
54 - Professional, Scientific, and Technical Services
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Dec. 09, 2025
Notice of Intent
54 - Professional, Scientific, and Technical Services
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Dec. 18, 2025
Maritime Launched Effects - Increment 1 (MLE-1) Request for Information
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Developing a Smartphone App to Enhance Older Driver Safety
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 12, 2025
RFI PHARMACY TEMPERATURE MONITORING
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 04, 2026
Updated Master Solicitation for Commodity Procurement - Domestic Programs (MSCP-D)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 18, 2026
On-Site Representative for PAR Excellence Weight Based Point of Use (POU) Inventory Management System Inventory Management System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 08, 2025

Showing 5551–5600 of 6090 bids that are currently: Active.