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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 3801–3850 of 5703 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Pennsylvania - US Due Date
Professional and Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Professional Consulting and Advisory Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
501(c)(3) Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Consulting Services for Portfolio Repositioning Strategic Planning
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
DLA Emergent IV Research and Development Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 12, 2027
Visions Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Multiple Award Schedule
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 03, 2031
Pittsburgh District USACE Open House
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 12, 2026
Industrial Base Extension (IBex) Program Industry Capability and Capacity Determination Support for Arctic PACE
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Continuum of Care
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Performance of Notification and Service Termination Assistance
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Developer-Partner
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
DLA Distribution Business Opportunities Forecast
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 31, 2027
Good Clinical Practice (GCP) Clinical Research Quality Associate (CRQA) Monitoring Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
Juvenile Auto Theft Prevention Campaign
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Bureau of Geological Survey Palynology Analysis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2026
LEGAL SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 07, 2026
Forfeiture Petition Service
54 - Professional, Scientific, and Technical Services
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Jun. 26, 2026
Guardianship Services
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Legal Material for Inmate Law Library
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Language Services
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2031
MAPPING SERVICES
54 - Professional, Scientific, and Technical Services
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Jul. 23, 2026
Federal Litigation Services
54 - Professional, Scientific, and Technical Services
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Nov. 01, 2026
Promotion Exams - Corporal and Sergeant
54 - Professional, Scientific, and Technical Services
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Jul. 02, 2026
Fire and Life Safety Inspection & Testing
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 24, 2026
Fire Protection Systems Maintenance
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Fire Equipment Testing
54 - Professional, Scientific, and Technical Services
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Jul. 06, 2026
Promotion Exams - Corporal and Sergeant
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 02, 2026
Plumbing Upgrade Phase 3 A&E Services
54 - Professional, Scientific, and Technical Services
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Jul. 13, 2026
Sources Sought Notice | HVAC Ventilation Survey Services | Erie, PA
54 - Professional, Scientific, and Technical Services
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Jul. 02, 2026
Intent to Sole Source
54 - Professional, Scientific, and Technical Services
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Jul. 06, 2026
 
 
Rhode Island - US Due Date
MPA 461 professional Land Surveying
54 - Professional, Scientific, and Technical Services
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Aug. 31, 2026
Engineering Services
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2027
Architectural Services
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2027
NUWC Newport Electromagnetic Special Programs Synopsis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 23, 2027
Design Build Construction
54 - Professional, Scientific, and Technical Services
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Jul. 10, 2026
Team Submarine Combat Systems Follow-On
54 - Professional, Scientific, and Technical Services
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Jul. 17, 2026
Potter Cove Runoff Mitigation Design
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Affordable Housing Development
54 - Professional, Scientific, and Technical Services
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Jul. 06, 2026
Marieville Urban Transformation Project
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 15, 2026
Educational Facility Master Planning, Architectural and Engineering Services
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2026
Professional Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
Dam Alternatives Analysis
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 21, 2026
Internal\/Performance Auditing
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2028
Internal & Performance Auditing\/Financial Statement Analysis Services
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2028
Communications, Marketing and Advertising Services
54 - Professional, Scientific, and Technical Services
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Jul. 08, 2026
ADMINISTRATOR FOR HEALTH INFORMATION TECHNOLOGY
54 - Professional, Scientific, and Technical Services
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Jul. 01, 2026
Arbitration and Mediation Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2027
Constable Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 30, 2027
Professional Advisory and Consultant Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 31, 2027

Showing 3801–3850 of 5703 bids that are currently: Active.