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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 3401–3450 of 5445 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Ohio - US Due Date
Microelectronics Innovation for Next-generation System Advancement and Validation (MINSAV) Advanced Research Announcement (ARA) with Calls
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 01, 2029
AFWERX Challenge Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 23, 2028
Government Requirement for Advanced Power and Energy (GRAPE)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2027
Government Requirement for Advanced Power and Energy (GRAPE)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2027
Air Force Installation and Mission Support Center (AFIMSC) STREAMLINING PROCUREMENT FOR EFFECTIVE EXECUTION & DELIVERY (SPEED) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 29, 2030
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, 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, 2026
Air Force Installation and Mission Support Center (AFIMSC) STREAMLINING PROCUREMENT FOR EFFECTIVE EXECUTION & DELIVERY (SPEED) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 29, 2030
Air Force Installation and Mission Support Center (AFIMSC) STREAMLINING PROCUREMENT FOR EFFECTIVE EXECUTION & DELIVERY (SPEED) Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 29, 2030
Commercial Solutions Opening for Joint All-Domain Command and Control (JADC2)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 09, 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, 2026
Industry Day - 711th HPW Mission Support Services Follow On
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
(RFI) Advanced Propulsion Acquistion Contract (APAC) Multiple Award Contract (MAC) Indefinite Delivery Indefinite Quantity (IDIQ) Contract
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 30, 2026
Fire and EMS Comprehensive Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 13, 2026
Residential Rehab Specialist
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 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
Commercial Solutions Opening for Joint All-Domain Command and Control (JADC2)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Nov. 09, 2026
Broad Agency Announcement for Advanced Battle Management Systems (ABMS)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2026
(RFI) Advanced Propulsion Acquistion Contract (APAC) Multiple Award Contract (MAC) Indefinite Delivery Indefinite Quantity (IDIQ) Contract
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 30, 2026
LaDue Reservoir Solar Energy Initiatives
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Residential Surveys for Cross-Connection Control
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
Process Server Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Locally Preferred Alternative
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 09, 2026
Public Transit Technology Strategy and Innovation Consulting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 30, 2026
Professional Services for Roadway Construction Inspection\/Administration
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 30, 2026
BuildReady Middle Housing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Cradle of Coaches Documentary Preview\/Alumni Engagement Event Coordinator
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Industry Day - 711th HPW Mission Support Services Follow On
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 30, 2026
Snow Operations Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2026
Professional Planning Services \u2013 City Comprehensive Plan Update\/Replacement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Call Analysis for Public Safety\u2019s 911 Dispatch Center
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Facility Assessment Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
On Call Professional Services Owner\u2019s Rep
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 22, 2026
Program Services for the County Comprehensive Case Management & Employment Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 08, 2026
Professional Services for Traffic Count Station Maintenance
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 15, 2026
Preparation of Cost Allocation Plans
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026
Community Value Survey
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Mediation Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 22, 2026
Building and Zoning - Fee Study and Cost Recovery Consultant
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 24, 2026
SUPPORT SERVICES FOR AUTOMATION CONTROLS
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Industrial Hygiene
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 10, 2026
Gas Leak Survey
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 17, 2026
Laboratory Water Testing Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Consultant GIS Services in Connection with the Water GIS Data Correction
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2026
Kaiju
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 12, 2027
USAFSAM\/OE Water Testing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
AUTOMATED COUNTER-UAS EXPEDITIONARY SOLUTIONS (ACES)_RFI
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 07, 2026
US SPACE FORCE INTELLIGENCE FACILITY at Wright Patterson Air Force Base (AFB), OH
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 02, 2026
 
 
Oklahoma - US Due Date
Corporate: Tulsa ABC Contractor Showcase - Construction Surveying
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 03, 2026
Public Art for the City New Arena
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 01, 2026

Showing 3401–3450 of 5445 bids that are currently: Active.