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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 101–150 of 5581 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alabama - US Due Date
2026 PAE - Maneuver Air Industry Days, Fort Rucker, AL
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 2026
MDA Advisory & Professional Support Services (MAPSS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2027
Third Party Administrator Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 06, 2026
Innovate 2026 Tech Forum
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 14, 2026
Project Manager, Short and Intermediate Effectors for Layered Defense Maneuver-Short Range Air Defense Increment 3, Next Generation Short Range Interceptor Production
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 06, 2026
Real Property Support Services III Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Real Property Support Services III Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Wildlife Habitat Enhancement Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
Environmental Restoration Program Periodic Reviews
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
MDA Advisory & Professional Support Services (MAPSS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2027
Real Property Support Services III Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Real Property Support Services III Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Airport Concessions Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 24, 2026
Real Property Support Services III Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Strategic Plan & Leadership Development
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
General Grant Legal Counsel and Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Housing Implementation & Investment Proposal
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 15, 2026
 
 
Alaska - US Due Date
NSEI Sablefish Survey - Processor Fish Buy
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2027
Redevelopment of 123 Lacey Street
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 31, 2026
Solid Waste Services Provide Construction manager at Risk Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Professional Electrical & Structural Engineering
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Operations & Maintenance at Risk Services for Waste to Energy Facility
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 15, 2026
NRSS WRD-GNSS-IR WATER LEVEL DASHBOARD SERVICE - A
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Project Management & Engineering Department Ruane Road Culvert Replacement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 03, 2026
Professional Services for School District-Wide Roof Condition Assessment
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
Design Emergency Services Building 5-2
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
Technical Evaluation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 31, 2026
Tuntutuliak Airport Improvements Surveying
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
CONSTRUCTION RESIDENTIAL DESIGN
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
Architectural Firms
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 05, 2026
Alaska Range Combat Training Integrated Communications and Support (ARCTICS) II - Draft CLIN Structure
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 29, 2026
Koliganek Airport Rehabilitation Design Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
DESIGN\/BUILD SERVICES FOR HELIPAD AND ACCESS ROAD
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 16, 2026
NRSS WRD-GNSS-IR WATER LEVEL DASHBOARD SERVICE - A
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Owner\u2019s Representation Project Management
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 31, 2026
Sewage Lagoon Upgrades Design
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 14, 2026
Annual Legislative Audit and Accounting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Data Center and Large Power User Siting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2027
Provide Farebox Upgrades
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
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
(to see the full NAICS category code login  or  upgrade)
May. 18, 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
(to see the full NAICS category code login  or  upgrade)
May. 18, 2030
SNF HFCxA Commissioning Agent Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 29, 2026
NOAA Fisheries Alaska Regional Office Cook Inlet Beluga Whale Photo Identification Study Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 26, 2026
INTENT TO AWARD TO A SINGLE SOURCE FOR RECREATIONAL QUOTA ENTRY HALIBUT STAMPS DATA VALIDATIN
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 29, 2026
Appraisal Professional Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Provide Academy Charter Special Inspection Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Residential Appraisal Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 13, 2026
Transfer Site Gate Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 09, 2026
Chena River Walk Stage III \u2013 Segment 1: H&H analysis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 15, 2026
 
 
American Samoa - US Due Date
Matu\u2019u to Faganeanea Waste Water Design
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 06, 2026

Showing 101–150 of 5581 bids that are currently: Active.