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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 3601–3650 of 5711 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Ohio - US Due Date
Broad Agency Announcement _ TRMC _ TE-ST _ W900KK-22-R-0012
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 14, 2030
Combat Identification Automated Target Recognition Technology (CATCH)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 14, 2030
Family Medical Leave Administrative Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Trusted and Elastic Military Platforms and Electronic Warfare (EW) System Technologies (TEMPEST)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2027
Organic Waste Management Strategic Planning - Vendors & Contractors
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Communications & Engagement Strategy: Parks & Recreation Plan Implementation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Housing, Proportioner
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 12, 2026
711th HPW Mission Support Services MAC IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Utility Scale BESS Frequency Regulation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Scioto Main Augmentation Relief Truck
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
Space Power and Reactor Capabilities (SPARC) - Draft Request for Proposals (DRFP)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 28, 2026
Disconnect Assembly Lower
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 16, 2026
Rolling Awards of Project-Based Vouchers in Support of Buckeye-Woodhill Choice Neighborhoods Implementation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Construction Inspection and Administration Services for the Thayer Road Project
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
Space Power and Reactor Capabilities (SPARC) - Draft Request for Proposals (DRFP)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 28, 2026
Air Vehicle Contractor Logistic Support
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 09, 2026
Leaders Listen Transportation Public Opinion Survey
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
EMS Feasibility & Service Delivery Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Co-Developer Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Air Force - Small UAS & Asymmetric Capabilities - Commercial Solutions Opening
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 03, 2027
711th HPW Mission Support Services MAC IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Consultant Services for Traffic Data Collection
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 06, 2026
Municipal Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 09, 2026
Southeast Area Growth Management and Thoroughfare Plan
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Main Campus Plan for Operational Efficiency
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 28, 2026
711th HPW Mission Support Services MAC IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Lock Out \u2013 Tag Out (LOTO) Services at Chillicothe VAMC - Chillicothe, OH
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
Bronx EUL Development Opportunity Sources Sought
54 - Professional, Scientific, and Technical Services
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Nov. 10, 2026
Wholesale and Suburban Water and Sewer Contract Modernization
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 16, 2026
Lock Out \u2013 Tag Out (LOTO) Services at Chillicothe VAMC - Chillicothe, OH
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Cybersecurity Evaluation and Enhancements
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 22, 2026
Electronic & Alcohol Monitoring Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Lock Out \u2013 Tag Out (LOTO) Services at Chillicothe VAMC - Chillicothe, OH
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Rural Health Workforce Pipeline
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 12, 2026
Legal Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Kaiju
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 12, 2027
711th HPW Mission Support Services MAC IDIQ
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
 
 
Oklahoma - US Due Date
Engineering Services for the Eastern Avenue 24-inch Transmission Line
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Drainage Study, Dewey Avenue to Hudson Avenue from NW 10th to NW 6th
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Arterial Widening, SW 149th Street from I-44 to South May Avenue
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 23, 2026
Traffic Management Center Server Upgrade
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2026
Biometric Identification Software Development Kit (SDK) License(s)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
MFRC A\/V Upgrade
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
FAA Industry Engagement Event - Oct 13-15, 2026 - Aviation Spectrum Interference Detection Solutions - Early Registration Required
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
MiPACS Licenses and Support OKC, Yukon & Norman Dental
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Website Hosting, Maintenance, Accessibility, and Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
MFRC A\/V Upgrade
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
MFRC A\/V Upgrade
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Private Equity Investment Management Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Requirements Projections On the Web (RPOW) FALL 2025
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 01, 2026

Showing 3601–3650 of 5711 bids that are currently: Active.