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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 4751–4800 of 5341 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
FY26-Expert-Board-Reviews-01
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Aeronautical Support Facilities Development & Management
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 13, 2026
Experimental and Mathematical Biomechanics Injury Research IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 23, 2026
Updated Master Invitation for Bids for International Commodity Procurements (MIFB-I)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 23, 2026
Updated Master Invitation for Bids - Domestic Commodity Procurement (MIFB-D)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 23, 2026
USAC RFP: Enterprise Cybersecurity and Monitoring Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 10, 2026
Experimental and Mathematical Biomechanics Injury Research IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 23, 2026
Air Force Research Laboratory (AFRL) Enterprise Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
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
2026 NAVAIR\/NAWCAD Lakehurst Industry Day
54 - Professional, Scientific, and Technical Services
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Jun. 09, 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
Lead-Free DC Support Services
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
USAC RFP: IT Development, Modernization, and Enhancement (DME) Services
54 - Professional, Scientific, and Technical Services
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Jun. 10, 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
Novel and Enhanced Modalities for Optic Nerve Imaging
54 - Professional, Scientific, and Technical Services
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Jun. 10, 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
Prison Rape Elimination Act (PREA) Audit Function
54 - Professional, Scientific, and Technical Services
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Jun. 10, 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. 12, 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
GSA OSB OFFICE HOURS: YOUR BUSINESS! YOUR OPPORTUNITIES! - Zone 2: CT, ME, MA, NH, RI, VT, NY, NJ, Puerto Rico, US Virgin Islands, DE, PA, WV, parts of MD & VA
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
GSA OSB OFFICE HOURS: YOUR BUSINESS! YOUR OPPORTUNITIES! Zone 1 - NCR & Central Office
54 - Professional, Scientific, and Technical Services
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Jun. 09, 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
Precision Radiating Optimum Power High Emitting Transmitter (PROPHET)
54 - Professional, Scientific, and Technical Services
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Jun. 12, 2026
FY26 Office of Information and Technology (OIT) Industry Day
54 - Professional, Scientific, and Technical Services
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Jun. 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
(SAF\/AQ) Air Force Technical and Analytic Support in Professional Services [AFTAS PRO]
54 - Professional, Scientific, and Technical Services
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Jun. 10, 2026
Screening System Data Consortium Cooperative Research and Development Agreement (CRADA)
54 - Professional, Scientific, and Technical Services
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Jun. 17, 2026
Monitoring, Evaluation, Learning, and Other Special Services (MELOS) Sources Sought
54 - Professional, Scientific, and Technical Services
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Jun. 12, 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
(SAF\/AQ) Air Force Technical and Analytic Support in Professional Services [AFTAS PRO]
54 - Professional, Scientific, and Technical Services
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Jun. 10, 2026
Digital Twin Modeling & Software
54 - Professional, Scientific, and Technical Services
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Jun. 15, 2026
DOL Technology Expo
54 - Professional, Scientific, and Technical Services
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Jun. 15, 2026
CBP Innovation Summit Day
54 - Professional, Scientific, and Technical Services
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Jun. 18, 2026
Build America, Buy America Act (BABAA)
54 - Professional, Scientific, and Technical Services
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Jun. 12, 2026
Bond Program Owner's Representative
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
N66001-26-Q-6184 - Notice of Intent to Award Sole Source Order to SHAUN FERGUSON
54 - Professional, Scientific, and Technical Services
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Jun. 10, 2026
Submerged Infrastructure Inspection Challenge
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2026
Request for Information: Commercial Off-the-Shelf (COTS) Electronic Records Management (ERM) System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 17, 2026
Request for Information: On-site Digitization Services for Classified and Unclassified Federal Records
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 17, 2026

Showing 4751–4800 of 5341 bids that are currently: Active.