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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 5351–5400 of 6027 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Washington D.C. - US Due Date
Brain Repair of Any Injured Neural Structure (BRAINS) - Proposers' Day
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 06, 2027
2026 Astrophysics Small Explorer (APSMEX)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 09, 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
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
NRL Long Range Broad Agency Announcement (BAA) for Basic and Applied Research
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Next Generation Undersea Security Initiative (NG-USI)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2031
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
Rail Modernization Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2027
ACC\/A2 IC Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
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
IARPA Solutions Marketplace
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 31, 2027
Intent to Process Bulk Administrative Contract Closeouts for Fiscal Year 2026 and Prior
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
Doing Business with FEMA Webinar Miniseries
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
ICITAP\/OPDAT Worldwide Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 14, 2026
PHASE I PROGRAM MGMT. CONSULTANT
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 21, 2026
SAO Strategy & Analytical Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
Pathways Program Administrative Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
USA: Fast Assessment of Solutions, Therapeutics, Pharmaceuticals, and SupplieS (FASTPASS) Proposer Workshop
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
DLA Industry Collider Day 2026
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 09, 2026
USAC RFP: Oracle EBS Implementation Health Check
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
FHWA Office of Policy and Governmental Affairs, Evidence-Based Transportation Studies, Legislative Affairs, International Engagement, and Policy Communications
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
Notice to Anti-Ram Barrier Manufacturers
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Shatter Resistant Window Film Notice
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Countermeasures That Work (CMTW) and Countermeasures At Work (CMAW) Guide Updates
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
United States Postal Service RFI: Construction Market Research
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 01, 2027
Evaluation of Electric Vehicle Failures Impact on Hazardous Transportation Safety
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
USAC RFP: Lifeline Program\u2019s National Verifier (NV) O&M Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
RFQ CAFC26-0008 Tactile Project. Exhibition Design, Fabrication, and Installation Services for Interactive Educational Exhibits
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
RFQ CAFC26-0009. Bridge to the Past Project - Digital Exhibit Design and Audio-Visual Integration Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
Community Announcement: Release Status of an Earth Venture Orbital Solicitation
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
Event Data Recorders
54 - Professional, Scientific, and Technical Services
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Sep. 09, 2026
Missile Defense Agency (MDA) Small Business Conference (Sep 16-17) & Next-generation Air & Missile Defense Industry Day (Sep 18)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
Customer Service Operations
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 01, 2026
Presolicitation Notice - USDA NRCS South Carolina for Wetland Delineations and Determinations
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
Long Range BAA for the Undersea Security Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 10, 2027
Area of Interest under PHO ISO: ASCENT-IBO
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 15, 2026
2026 Astrophysics Small Explorer (APSMEX)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 09, 2026
CAFC Sources Sought \/ Market Research
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 30, 2026
Legal Access Services for Reunified Families Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
National Qualified Representative Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
WHA\/EPSC OAS\/SAS Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 25, 2026
USDA Forest Service Land Management Integrated Resources (LMIR) BPA Call RFQ Programmatic LMP Amendment Support for Eastside Screens
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026
USDA Forest Service Land Management Integrated Resources (LMIR) BPA Call RFQ PSO Content Analysis for LMP Revisions and Amendments
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
NRL Space Science Division R&D Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 25, 2026
USDA Forest Service Land Management Integrated Resources (LMIR) BPA Call RFQ EIS Support for Land Management Plans Revisions
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 01, 2026
Amendment 0001\/RFQ CAFC26-0009. Bridge to the Past Project - Digital Exhibit Design and Audio-Visual Integration Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
Amendment 0001\/RFQ CAFC26-0008 Tactile Project. Exhibition Design, Fabrication, and Installation Services for Interactive Educational Exhibits
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026
Post-Accident Toxicological Testing Oversight
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
TECHNOLOGY TRANSFER OPPORTUNITY: Method for Transferring a Spacecraft from Geosynchronous Transfer Orbit to Lunar Orbit (TOP2-272)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 11, 2027
Missile Defense Agency (MDA) Small Business Conference (Sep 16-17) & Next-generation Air & Missile Defense Industry Day (Sep 18)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 31, 2026

Showing 5351–5400 of 6027 bids that are currently: Active.