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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 6001–6050 of 6973 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Virginia - US Due Date
Federal Lobbying Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 19, 2026
Manufacturing Technology (ManTech) Professional Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
Unison Proposers Day Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 29, 2026
Tracking Layer Tranche 4 On-orbit Demonstrations and Operations Request for Information
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 04, 2026
Nassau Proposers Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 07, 2026
Water Resources Analytical and Professional Support Services - Multiple Award Task Order Contract (MATOC)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 06, 2026
Energy Services Projects
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 09, 2026
RFI for Next Generation Hypersonic Cruise Missiles
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 06, 2026
RFI-ePMO Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
Multifamily Premium Review Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
Supply Chain RFI
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
BPA Call Order Exceeding $20,000 Synopsis Requisition 1173128
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 31, 2026
Professional Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 17, 2026
2027 Primary Care Officer
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
Polymer (Residual Operations)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 10, 2026
RAISE Grant Community Connectivity and Mobility
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 17, 2026
Cattle Run Proposers Day Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Protein Palace Proposers Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 09, 2026
Chemical Hoods & HEPA PM
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 28, 2026
Supply Chain RFI
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
Regional Africa and the Middle East: Lobito Corridor Electrification Project Feasibility Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 02, 2026
Cattle Run Proposers Day Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Solid-State Energy Conversion from Heat to Electricity Request for Information (RFI)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 23, 2026
Protein Palace Proposers Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 09, 2026
Strategic Distributed Antenna System Partnership
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 01, 2026
Oracle Health Patient Accounting (OHPAC) Trainers
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
State Legislative Consultant Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 10, 2026
Evaluations, Assessments, and Support Services (EASS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 03, 2026
HUMAN RESOURCE MANAGEMENT EMPLOYEE CLIMATE ACTION PLAN
54 - Professional, Scientific, and Technical Services
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Nov. 23, 2026
Fairview House (Thomas McKay House) Restoration
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 19, 2026
657A4-21-800 - VPIH Services for Remove and Replace End of Life Heating, Ventilation and Air Conditioning Construction
54 - Professional, Scientific, and Technical Services
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Nov. 02, 2026
General Legal Services
54 - Professional, Scientific, and Technical Services
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Dec. 01, 2026
Lender's Counsel
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
Bond Counsel
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 30, 2026
Title IX Decision Maker (Hearing Officer) and Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 17, 2026
Qualified Environmental Consulting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 02, 2026
Environmental Justice Analysis and Comprehensive Plan Strategy
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2026
Environmental Management Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 30, 2026
MCOTEA American Sign Language Interpreting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 14, 2026
MCOTEA American Sign Language Interpreting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 14, 2026
Sampling and Laboratory Analysis Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 29, 2026
VANIHCS SPS Water Testing (VA-27-00000760)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Material Handling Equipment Inspection, Parts & Repair Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 04, 2026
Cathodic Protection Testing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 20, 2026
Countywide Mapping Project
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 18, 2026
Cost Engineering and Related Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 10, 2026
F-35 JPO Enterprise Data Science and Analytics Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 10, 2026
 
 
Washington - US Due Date
AE Projected Upcoming Work
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 05, 2026
Architectural and Planning Consulting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2027
Engineering, Surveying, and Design Consulting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 30, 2027

Showing 6001–6050 of 6973 bids that are currently: Active.