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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 51–100 of 5502 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alabama - US Due Date
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
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
Missile Defense Agency - Multiple Authority Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 27, 2030
Missile Defense Agency - Advanced Capability Concepts
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 08, 2030
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
Mentor Prot\u00E9g\u00E9 Program Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 30, 2028
**UPDATE **Special Notice \"Response to RFI and Summary of Key Changes\" Defense Intelligence Agency Missile and Space Intelligence Center Industry Engagement Technical Exchange Meeting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 02, 2027
**UPDATE **Special Notice \"Opportunity for Small Business Participation in COMET\" Defense Intelligence Agency Missile and Space Intelligence Center Industry Engagement Technical Exchange Meeting
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 02, 2027
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
Request for Information \u2013 Small Form Factor Component Technologies for a C-sUAS Interceptor
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 19, 2025
The Weatherization Assistance Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 22, 2025
U.S. Army Space and Missile Defense Command Reagan Test Site (RTS) Operations, Sustainment, Improvement, and Engineering (ROSIE) Follow-On Requirements \u2013 RFI Special Notice
54 - Professional, Scientific, and Technical Services
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Dec. 17, 2025
Facilities Technology Management (FTM)
54 - Professional, Scientific, and Technical Services
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Dec. 23, 2026
In Space Manufacturing-Advanced Space Technologies for Resilient Operations (ISM-ASTRO)
54 - Professional, Scientific, and Technical Services
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Jan. 16, 2026
Common Autonomous Multi-Domain Launcher (CAML) Industry Day
54 - Professional, Scientific, and Technical Services
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Jan. 09, 2026
Moon to Mars NextSTEP-3 Appendix B, Architecture Studies
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 15, 2026
Request for Information \u2013 Small Form Factor Component Technologies for a C-sUAS Interceptor
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 19, 2025
Environmental Consulting Services for Brownfields Assessment Program
54 - Professional, Scientific, and Technical Services
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Dec. 29, 2025
Interpreter\/Translatory Services
54 - Professional, Scientific, and Technical Services
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Jan. 05, 2026
Professional Laboratory Services
54 - Professional, Scientific, and Technical Services
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Jan. 06, 2026
 
 
Alaska - US Due Date
INVESTIGATION SERVICES AND TECHNICAL EQUIPMENT MAINTENANCE IN ALASKA
54 - Professional, Scientific, and Technical Services
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Dec. 24, 2025
LAND SURVEYING TERM SERVICES
54 - Professional, Scientific, and Technical Services
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Dec. 18, 2025
Professional A\/E Services
54 - Professional, Scientific, and Technical Services
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Dec. 23, 2025
Provide Professional Construction Management Services
54 - Professional, Scientific, and Technical Services
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Jan. 14, 2026
Lutak Dock Owner Representative Services
54 - Professional, Scientific, and Technical Services
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Dec. 30, 2025
Leachate System Improvements
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Design, Construction Administration and Inspection Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 29, 2025
Airport Planning Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 08, 2026
Electronic\/Static Display Advertising Concession
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 20, 2026
Computerized Maintenance Management System (CMMS)
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Digitization, Cataloging, and Access System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 12, 2026
Redesign, Redevelopment & Ongoing Hosting of the City Website
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 13, 2026
AOA Industry Expert Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
May. 15, 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
Procurement & Project Support Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
PRIMARY HEALTH CARE COST DRIVERS
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
Provide Bond Counsel Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 30, 2026
Emergency Medical Services System Evaluation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025
ADMINISTRATIVE SUPPORT SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 18, 2025
Municipal Airport Appraisal Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 07, 2026
Comprehensive Economic Development Strategy
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Vehicle Collision Mitigation Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 14, 2026
Complex Care Coordination and Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 05, 2026
Human Services Matching Community Grant
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 09, 2026
Beneficiary-directed \/ Peer-based Recovery Models
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jan. 02, 2026
Federal Lobbying
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2025
 
 
Arizona - US Due Date
Pinon Health Center Needs a Contractor to Provide Arc Flash Study
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Feb. 10, 2027
Development of 5.8 acres of City Owned Property
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 31, 2025

Showing 51–100 of 5502 bids that are currently: Active.