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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 5341 bids that are currently: Active.

Denotes bidding opportunities that have been amended

United States: Unspecified - BE Due Date
NATO Business Opportunity: Provision of Occupational Health & Safety Services for NCIA
54 - Professional, Scientific, and Technical Services
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Jul. 08, 2026
 
 
Alabama - US Due Date
College Campus projects
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 14, 2026
Professional Engineering Services, WWTP Upgrades
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 09, 2026
Professional Architectural, Design & Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 19, 2026
Corporate: Houston County DHR - SUBSURFACE INVESTIGATION
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 09, 2026
Huntsville Architect Engineering Support IDC (HAESI)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Huntsville Architect Engineering Support IDC (HAESI)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Professional Engineering Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 16, 2026
Professional Engineering Services - Electrical System
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jun. 16, 2026
Infill Housing Development Gap Financing Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 08, 2026
Huntsville Architect Engineering Support Indefinite Delivery Contract (HAESI) 2.0
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Huntsville Architect Engineering Support IDC (HAESI)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 10, 2026
Park Expansion Project
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Jul. 01, 2026
FY24-28 D01 BTOOLKIT(ITD) Huntsville & Tuscaloosa Comcast
54 - Professional, Scientific, and Technical Services
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Sep. 06, 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
W912DY26RA030 DRAFT SOLICITATION FOR UTILITY MONITORING AND CONTROL SYSTEMS VI
54 - Professional, Scientific, and Technical Services
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Jun. 22, 2026
INTRANET WEBSITE REDESIGN
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Labor Market Analytics Platform and Career Exploration Platform Solutions
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Integrated Security System Management
54 - Professional, Scientific, and Technical Services
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Jun. 19, 2026
Legal-Themis Solutions-Clio RENEWAL
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
BARR Systems Renewal
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Request for Information for Enterprise Resource Planning Common Services (ERP CS)_2026
54 - Professional, Scientific, and Technical Services
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Jul. 07, 2026
Japanese Business Development Representative
54 - Professional, Scientific, and Technical Services
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Jun. 12, 2026
Phase One Environmental Analysis
54 - Professional, Scientific, and Technical Services
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Jun. 09, 2026
Notice of Intent to Award a BPA Call Order against The Land Management Integrated Resources BPA (LMIR)
54 - Professional, Scientific, and Technical Services
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Jun. 23, 2026
Notice of Intent to Award a BPA Call Order against The Land Management Integrated Resources BPA (LMIR)
54 - Professional, Scientific, and Technical Services
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Jun. 22, 2026
Mentor Prot\u00E9g\u00E9 Program Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 15, 2027
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
(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
(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
(to see the full NAICS category code login  or  upgrade)
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
(to see the full NAICS category code login  or  upgrade)
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
(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
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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
(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
Facilities Technology Management (FTM)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2026
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
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
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

Showing 51–100 of 5341 bids that are currently: Active.