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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 5472 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alabama - US Due Date
Mobile Integrated Launch Capability
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2028
PROFESSIONAL LEGAL SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Missile Defense Agency - Nimble Options for Buying Layered Effects (NOBLE) Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2030
SUPPLY CHAIN OPTIMIZATION SUPPORT (SCOS) Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 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
SUPPLY CHAIN OPTIMIZATION SUPPORT (SCOS) Solicitation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
Carbon Reduction Grant
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
Historical Archaeological Consulting Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 29, 2026
Laboratory Testing Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 14, 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
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
COOPER LAKE SIPHON
54 - Professional, Scientific, and Technical Services
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Sep. 16, 2026
INDEFINITE DELIVERY ARCHITECT-ENGINEER SERVICES CONTRACT FOR MECHANICAL-ELECTRICAL ARCHITECT-ENGINEER SERVICES, VARIOUS LOCATIONS
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
Design Services for Water Pipe Slip Lining Project
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 14, 2026
Citywide Paving-Design
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Road Revetment and Drainage Improvements
54 - Professional, Scientific, and Technical Services
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Sep. 22, 2026
DESIGN SERVICES FOR WATER MAIN REPLACEMENT
54 - Professional, Scientific, and Technical Services
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Sep. 24, 2026
Purinton Parkway Master Plan & Design Phase 1
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 21, 2026
ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
ARCITECTURAL\/ENGINEERING SERVICES
54 - Professional, Scientific, and Technical Services
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Sep. 29, 2026
Design Services for Crow Hill Pump Station Upgrades
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026
CNF WATER SAMPLE TESTING
54 - Professional, Scientific, and Technical Services
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Sep. 16, 2026
176WG - Sources Sought\/Intent to Award Sole Source for Strategic Community Sponsorship Program: People Mover Bus Wraps
54 - Professional, Scientific, and Technical Services
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Sep. 15, 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
Fleet, Equipment and Generator Telematics Systems
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
Behavioral Health Aide Program - Digital Content Platform
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 25, 2026
ServiceNow Software Managed Services
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
ServiceNow Software Implementation Services
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
Notice of Intent to Award Sole Source
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
NOTICE OF INTENT TO AWARD SINGLE SOURCE - WHESCO Group Inc for low-observable paint & clean\/dirty room control panel installation & software install
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
Notice of Intent to Award Sole Source - SCADA Upgrade
54 - Professional, Scientific, and Technical Services
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Sep. 15, 2026
Modernization of Driver Records
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Permanent Fund Management Services
54 - Professional, Scientific, and Technical Services
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Sep. 30, 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
Public Works Professional Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2026
Port Chilkoot Cruise Ship Facility
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2026
Technical Assistance
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 24, 2026
Reentry Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 18, 2026
Grants Management Lifecycle Assessment
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Cost Driver Study
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
Public Awareness & Community Engagement Strategy
54 - Professional, Scientific, and Technical Services
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Oct. 01, 2026
Match Assistance Grant
54 - Professional, Scientific, and Technical Services
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Oct. 02, 2026
Market Survey to Construct an Area Maintenance Support Activity (AMSA) and Vehicle Maintenance Shop (VMS) on Joint Base Elmendorf-Richardson, Alaska
54 - Professional, Scientific, and Technical Services
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Oct. 08, 2026
ENVIRONMENTAL CONSULTING SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 17, 2026
 
 
American Samoa - US Due Date
Design of Underground Injection Wells for Brine Disposal
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
Design of Aunu\u2019u Desalination Plant
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 15, 2026
COMPREHENSIVE UTILITY RATE CHARGE STUDY
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 02, 2026
Wastewater Advanced Primary Treatment Upgrade Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026
Tafuna Outfall Extension & Diffuser Upgrade Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Oct. 07, 2026

Showing 101–150 of 5472 bids that are currently: Active.