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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 4651–4700 of 5297 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
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
(to see the full NAICS category code login  or  upgrade)
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
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
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Oct. 05, 2026
FY26-Expert-Board-Reviews-01
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
Aeronautical Support Facilities Development & Management
54 - Professional, Scientific, and Technical Services
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Jul. 13, 2026
Experimental and Mathematical Biomechanics Injury Research IDIQ
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Updated Master Invitation for Bids for International Commodity Procurements (MIFB-I)
54 - Professional, Scientific, and Technical Services
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Oct. 23, 2026
Updated Master Invitation for Bids - Domestic Commodity Procurement (MIFB-D)
54 - Professional, Scientific, and Technical Services
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Oct. 23, 2026
Experimental and Mathematical Biomechanics Injury Research IDIQ
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Air Force Research Laboratory (AFRL) Enterprise Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Apr. 30, 2030
Technology Insertion for Acoustic Rapid Action Commercial Off-the Shelf (COTS) Insertion (A-RCI) IDIQ-MAC
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
Hearing Enhancement through ARtificially Intelligent NeurotechnoloGy (HEARING)
54 - Professional, Scientific, and Technical Services
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Aug. 14, 2026
Hearing Enhancement through ARtificially Intelligent NeurotechnoloGy (HEARING) - Proposers' Day
54 - Professional, Scientific, and Technical Services
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Aug. 14, 2026
Request for Information (RFI): MIL-STD-188-164 and MIL-STD-188-165 Industry Week
54 - Professional, Scientific, and Technical Services
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Jul. 17, 2026
Screening System Data Consortium Cooperative Research and Development Agreement (CRADA)
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
Request for Information (RFI): Private Sector Partnerships in Astrobiology, Planetary Protection, and Space Biology
54 - Professional, Scientific, and Technical Services
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Aug. 10, 2026
Molecular Diagnostic Laboratory Services
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
16th Air Force Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2026
AI-Enabled Discovery of Broad-Spectrum Small-Molecule Inhibitors for Filoviruses
54 - Professional, Scientific, and Technical Services
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Jul. 17, 2026
Issuance of HUD Acquisition Instruction 26\u201102 \u2013 Acquisition of Artificial Intelligence and New Agency\u2011Specific Clauses
54 - Professional, Scientific, and Technical Services
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Jun. 20, 2026
Request for Information (RFI) for the National Oceanic and Atmospheric Administration (NOAA), Marine Operations Center - Pacific (MOC-P)
54 - Professional, Scientific, and Technical Services
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Jul. 01, 2026
Independent Risk Management Consulting Services
54 - Professional, Scientific, and Technical Services
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Jun. 22, 2026
RFI - Medical Countermeasures for the Treatment of Drug-Resistant Fungal Infections
54 - Professional, Scientific, and Technical Services
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Jun. 21, 2026
FY 26 Broad Agency Announcement (BAA) - Federal Railroad Administration
54 - Professional, Scientific, and Technical Services
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Sep. 30, 2027
AI-Enabled Discovery of Broad-Spectrum Small-Molecule Inhibitors for Filoviruses
54 - Professional, Scientific, and Technical Services
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Jul. 17, 2026
DLA Industry Collider Day 2026
54 - Professional, Scientific, and Technical Services
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Sep. 09, 2026
Announcement for Proposals (AFP) for Partnership Agreements for Embedded Creators
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Screening System Data Consortium Cooperative Research and Development Agreement (CRADA)
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
Notice to DoC Contractors of Transition to IPP
54 - Professional, Scientific, and Technical Services
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Nov. 01, 2026
DOJ Industry Day
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Legal Case & Document Management System
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026

Showing 4651–4700 of 5297 bids that are currently: Active.