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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 4551–4600 of 5125 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
OUSD(R&E) Seeks Advanced Manufacturing, Prototypes and Materials (AMPAM)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2027
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
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
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Dec. 31, 2029
CBP's Industry Partnership and Outreach Program Office
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2029
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
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
NHHC NMUSN Industry Day Notice
54 - Professional, Scientific, and Technical Services
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Aug. 18, 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
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
Bureau of Engraving and Printing (BEP) Request for Information (RFI) - Device Assisted 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 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
RFI PHARMACY TEMPERATURE MONITORING
54 - Professional, Scientific, and Technical Services
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Dec. 04, 2026
Updated Master Solicitation for Commodity Procurements - International Programs (MSCP-I)
54 - Professional, Scientific, and Technical Services
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Nov. 19, 2026
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Legal services ongoing maintenance and enforcement of settlement agreements and judgments already obtained by DFC
54 - Professional, Scientific, and Technical Services
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Dec. 22, 2026
TACTICAL Broad Agency Announcement (BAA)
54 - Professional, Scientific, and Technical Services
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Nov. 22, 2028
Washington Headquarters Services (WHS) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Mar. 12, 2030
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
FY26-Expert-Board-Reviews-01
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
Washington Headquarters Services (WHS) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Mar. 12, 2030
FY2026 USPS OIG Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
BAA DEVCOM AC Emerging Technologies
54 - Professional, Scientific, and Technical Services
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Mar. 04, 2031
VA Occupancy Measurement and Reporting RFI
54 - Professional, Scientific, and Technical Services
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May. 22, 2026
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Washington Headquarters Services (WHS) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Mar. 12, 2030
NRL Long Range Broad Agency Announcement (BAA) for Basic and Applied Research
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
NEW - Air Force Installation and Mission Support Center (AFIMSC) Streamlining Procurement for Effective Execution & Delivery (SPEED) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Aug. 29, 2030
USA: U.S. Army Contracting Command \u2013 Anniston Army Depot (CCTA-HDA) Organic Industrial Base (OIB) Modernization Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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May. 18, 2030
DHS FY 2025 Annual Posting of Buy American Act Domestic Nonavailability Actions
54 - Professional, Scientific, and Technical Services
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Mar. 30, 2027
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Veteran Decedent Memorial Data\/Information Analysis & Visualization
54 - Professional, Scientific, and Technical Services
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Apr. 07, 2027
Master Invitation for Bids for International Commodity Procurements (MIFB-I)
54 - Professional, Scientific, and Technical Services
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Apr. 07, 2027
Updated Master Invitation for Bids - Domestic Commodity Procurement (MIFB-D)
54 - Professional, Scientific, and Technical Services
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Oct. 06, 2026
DOE (EDF) Market Advisory Standing List Amendment
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 05, 2026
FY26-Expert-Board-Reviews-01
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026

Showing 4551–4600 of 5125 bids that are currently: Active.