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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 5501–5550 of 6090 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
RFI - DOJ JMD Secure Communications
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 10, 2025
FEHB Protection Act
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 15, 2025
Lenel Support Services Solicitation 693JK426Q500001 for DOT
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 19, 2026
NISC Enterprise Support Tasking (NEST)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2025
Transformational AI Capabilities for National Security
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 23, 2026
Counter-Unmanned Aircraft Systems (C-UAS) Combined Synopsis\/Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 08, 2025
Occluded corrosion model development
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 08, 2025
Notice of Intent to Sole Source - mLINQS
54 - Professional, Scientific, and Technical Services
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Dec. 17, 2025
Financial Systems Support and Reporting Services.
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 10, 2025
RFI Artificial Intelligence (AI) Translation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 15, 2025
RFI for Mobile Language Translation Services (MLTS)
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
R431 - Chief Naval Offices (CNO) Equal Employment Opportunity (EEO) Investigations Support
54 - Professional, Scientific, and Technical Services
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Dec. 10, 2025
Notice of Intent to Sole Source - Accenture Federal Services, LLC BSS
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Request for Information for Innovative Solutions for FAA Application and Database Modernization
54 - Professional, Scientific, and Technical Services
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Jan. 07, 2026
JPEO-CBRND RFI - Genomic Sequencing Workflows
54 - Professional, Scientific, and Technical Services
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Jan. 09, 2026
Counter-Unmanned Aircraft Systems (C-UAS) Combined Synopsis\/Solicitation
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
Technical Support Services for Energy
54 - Professional, Scientific, and Technical Services
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Dec. 18, 2025
Advance Notices - Site G -Managed Services Support for Government-Owned Pharmaceutical, Medical Supplies, and Medical Equipment
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 12, 2025
Advance Notices - Site G -Managed Services Support for Government-Owned Pharmaceutical, Medical Supplies, and Medical Equipment
54 - Professional, Scientific, and Technical Services
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Dec. 12, 2025
Request for Information 68HERH20R0007
54 - Professional, Scientific, and Technical Services
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Jan. 30, 2027
AFRL BAA Guide for Industry and Proposal Preparation Instructions for the Information Directorate, AFRL, Rome NY
54 - Professional, Scientific, and Technical Services
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Dec. 30, 2050
Silicon Valley Innovation Program 5-Year Other Transaction Solicitation
54 - Professional, Scientific, and Technical Services
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May. 20, 2026
The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Seeks Industry Partners for Clinical Research Collaborations on Therapeutics, Diagnostics or Devices for the Liver Cirrhosis Network
54 - Professional, Scientific, and Technical Services
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May. 16, 2026
DHS Public Safety and Violence Prevention (PSVP) Program - Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Jun. 20, 2026
ARMY PROJECT MANAGER SOLDIER SURVIVABILITY PROGRAM EXECUTIVE OFFICE SOLDIER BROAD AGENCY ANNOUNCEMENT (BAA)
54 - Professional, Scientific, and Technical Services
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Aug. 17, 2026
ARMY PROJECT MANAGER SOLDIER SURVIVABILITY PROGRAM EXECUTIVE OFFICE SOLDIER BROAD AGENCY ANNOUNCEMENT (BAA)
54 - Professional, Scientific, and Technical Services
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Aug. 17, 2026
DIA Mentor Protege Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 28, 2026
ARMY PROJECT MANAGER SOLDIER SURVIVABILITY PROGRAM EXECUTIVE OFFICE SOLDIER BROAD AGENCY ANNOUNCEMENT (BAA)
54 - Professional, Scientific, and Technical Services
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Aug. 17, 2026
Open Broad Agency Announcement - Screening at Speed Program
54 - Professional, Scientific, and Technical Services
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May. 09, 2027
Broad Agency Announcement Emerging Technologies
54 - Professional, Scientific, and Technical Services
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Dec. 17, 2025
Open Broad Agency Announcement - Screening at Speed Program
54 - Professional, Scientific, and Technical Services
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May. 09, 2027
Open Broad Agency Announcement - Screening at Speed Program
54 - Professional, Scientific, and Technical Services
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May. 09, 2027
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
Silicon Valley Innovation Program 5-Year Other Transaction Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 20, 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
Strategic Capabilities Office Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2029
OUSD(R&E) Seeks Advanced Manufacturing, Prototypes and Materials (AMPAM)
54 - Professional, Scientific, and Technical Services
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Oct. 02, 2027
Strategic Capabilities Office Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2029
BROAD AGENCY ANNOUNCEMENT - BIOMEDICAL RESEARCH AND DIVING EQUIPMENT DEVELOPMENT
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2026
Strategic Capabilities Office Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2029
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
Strategic Capabilities Office Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Sep. 19, 2029
ISN\/CTR GLOBAL PROGRAM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2025
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
ISN\/CTR GLOBAL PROGRAM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2025
ISN\/CTR GLOBAL PROGRAM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2025
ISN\/CTR GLOBAL PROGRAM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 16, 2025
FY25 Administration for Children and Families\/Specialized Contracting & Procurement Directorate Acquisition Forecast
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 31, 2026
DHS FY2024 Buy American Statute Domestic Nonavailability Waiver Actions
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 30, 2026
Notice Regarding Funding Pause - Temporary Restraining Order
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 03, 2026

Showing 5501–5550 of 6090 bids that are currently: Active.