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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 6168 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alabama - US Due Date
U.S. ARMY SPACE AND MISSILE DEFENSE COMMAND (USASMDC) SPACE AND MISSILE DEFENSE TECHNICAL CENTER (SMDTC) BROAD AGENCY ANNOUNCEMENT FOR SCIENCE, TECHNOLOGY, AND TEST AND EVALUATION RESEARCH
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2029
U.S. ARMY SPACE AND MISSILE DEFENSE COMMAND (USASMDC) SPACE AND MISSILE DEFENSE TECHNICAL CENTER (SMDTC) BROAD AGENCY ANNOUNCEMENT FOR SCIENCE, TECHNOLOGY, AND TEST AND EVALUATION RESEARCH
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 26, 2029
U.S. ARMY SPACE AND MISSILE DEFENSE COMMAND (USASMDC) SPACE AND MISSILE DEFENSE TECHNICAL CENTER (SMDTC) BROAD AGENCY ANNOUNCEMENT FOR SCIENCE, TECHNOLOGY, AND TEST AND EVALUATION RESEARCH
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2029
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 - 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 - 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
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May. 08, 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
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
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May. 18, 2030
Missile Defense Agency - Multiple Authority Announcement
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2030
Missile Defense Agency - Advanced Capability Concepts
54 - Professional, Scientific, and Technical Services
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May. 08, 2030
Missile Defense Agency - Nimble Options for Buying Layered Effects (NOBLE) Announcement
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2030
Mentor Prot\u00E9g\u00E9 Program Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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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
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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
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Jan. 02, 2027
Missile Defense Agency - Nimble Options for Buying Layered Effects (NOBLE) Announcement
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2030
Request for Information \u2013 Small Form Factor Component Technologies for a C-sUAS Interceptor
54 - Professional, Scientific, and Technical Services
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Dec. 19, 2025
Planning Consultation Firm: Annual Action Plan
54 - Professional, Scientific, and Technical Services
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Dec. 16, 2025
The Weatherization Assistance Program
54 - Professional, Scientific, and Technical Services
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Dec. 22, 2025
HALEY CENTER COMPREHENSIVE EVALUATION
54 - Professional, Scientific, and Technical Services
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Dec. 10, 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
COMPENSATION STUDY
54 - Professional, Scientific, and Technical Services
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Dec. 08, 2025
Common Autonomous Multi-Domain Launcher (CAML) RFI \u2013 Weapon System Integrator
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Common Autonomous Multi-Domain Launcher (CAML) RFI \u2013 CAML Munitions Pallet
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Common Autonomous Multi-Domain Launcher (CAML) RFI \u2013 Autonomous Mobility Platform
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Draft RFP and Pre-solicitation Synopsis: Engineering Services and Science Capability Augmentation (ESSCA) II
54 - Professional, Scientific, and Technical Services
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Dec. 15, 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
 
 
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
A&E Repair Arctic Ave; FTQW 26-1302 Amendment 3 Update
54 - Professional, Scientific, and Technical Services
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Dec. 10, 2025
D21033 PCPCC Pool Code Corrections
54 - Professional, Scientific, and Technical Services
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Dec. 08, 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. 02, 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
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Jan. 05, 2026
Engineering Services
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Design, Construction Administration and Inspection Services
54 - Professional, Scientific, and Technical Services
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Dec. 29, 2025
Electronic\/Static Display Advertising Concession
54 - Professional, Scientific, and Technical Services
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Jan. 20, 2026
Cyber Security Managed Detection and Response Service
54 - Professional, Scientific, and Technical Services
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Dec. 09, 2025
AOA Industry Expert Services
54 - Professional, Scientific, and Technical Services
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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
Pharmacy Benefit Manager Services
54 - Professional, Scientific, and Technical Services
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Dec. 15, 2025
Procurement & Project Support Services
54 - Professional, Scientific, and Technical Services
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Jan. 05, 2026
Classification and Compensation Study
54 - Professional, Scientific, and Technical Services
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Dec. 11, 2025
PRIMARY HEALTH CARE COST DRIVERS
54 - Professional, Scientific, and Technical Services
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Dec. 17, 2025
Provide Bond Counsel Services
54 - Professional, Scientific, and Technical Services
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Dec. 16, 2025
Emergency Medical Services System Evaluation
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 17, 2025

Showing 51–100 of 6168 bids that are currently: Active.