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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 5717 bids that are currently: Active.

Denotes bidding opportunities that have been amended

International - DE Due Date
OCONUS Commercial Solution Opportunity - Defense Commissary Agency
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
 
 
Maryland - CF Due Date
Bridge Contract - Disease Surveillance and Research Support
54 - Professional, Scientific, and Technical Services
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Sep. 04, 2026
 
 
New York - HN Due Date
TEGUC - Public Opinion Research Program
54 - Professional, Scientific, and Technical Services
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Sep. 04, 2026
 
 
United States: Unspecified - MX Due Date
CODIS Phase III (Specialized Forensics IT Equipment)
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
INL_RFQ-PR16035309 K9 VETERINARY EQUIPMENT
54 - Professional, Scientific, and Technical Services
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Sep. 02, 2026
USAG-S NEPA Conservation Services
54 - Professional, Scientific, and Technical Services
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Sep. 01, 2026
 
 
Alabama - US Due Date
College Campus projects
54 - Professional, Scientific, and Technical Services
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Sep. 14, 2026
Study, Design, And Development Of A Landfill Gas
54 - Professional, Scientific, and Technical Services
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Sep. 21, 2026
AGWA Modeling & Hydrologic Monitoring Enhancement Subaward
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
ANNUAL BACK FLOW PREVENTER TEST AND INSPECTIONS
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2026
La Batre Streets Project
54 - Professional, Scientific, and Technical Services
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Sep. 02, 2026
Engineering Structural Assessment and Design
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2026
679-23-100 | Campus and Site Electrical Upgrades | CPS
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Various Projects at Correctional Facilities
54 - Professional, Scientific, and Technical Services
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Sep. 25, 2026
General Assistance for Project Feasibility Assessment and Advanced Planning
54 - Professional, Scientific, and Technical Services
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Sep. 04, 2026
Survey Modeling, Design & Engineering Services
54 - Professional, Scientific, and Technical Services
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Sep. 04, 2026
Central Utilities Plant Optimization Phase 2
54 - Professional, Scientific, and Technical Services
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Sep. 03, 2026
BRT Shelter Platforms Project
54 - Professional, Scientific, and Technical Services
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Sep. 08, 2026
Water Network Modeling and Master Plan
54 - Professional, Scientific, and Technical Services
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Sep. 11, 2026
IDIQ AE Surveying and Mapping Services
54 - Professional, Scientific, and Technical Services
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Oct. 06, 2026
Resurvey of Cottage Hill Historic District
54 - Professional, Scientific, and Technical Services
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Sep. 21, 2026
Innovative Tourism Hub
54 - Professional, Scientific, and Technical Services
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Sep. 15, 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
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May. 18, 2030
SUPPLY CHAIN OPTIMIZATION SUPPORT (SCOS) Solicitation
54 - Professional, Scientific, and Technical Services
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Sep. 18, 2026
Electronic Security System VIII Draft Solicitation
54 - Professional, Scientific, and Technical Services
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Sep. 16, 2026
Electronic Security System VIII Draft Solicitation
54 - Professional, Scientific, and Technical Services
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Sep. 16, 2026
W912DY26RA030 OFFICIAL SOLICITATION FOR UTILITY MONITORING AND CONTROL SYSTEMS VI
54 - Professional, Scientific, and Technical Services
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Sep. 17, 2026
Brand Name or Equal Hill-Rom Voalte Nurse Call System with Code Blue Communication System, Including Equipment, Staging Services, Cable Installation Services, Termination\/Testing\/ Labeling of Cables, Device Installation, Warranty
54 - Professional, Scientific, and Technical Services
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Aug. 26, 2026
Professional Transit Management Services
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
Mentor Prot\u00E9g\u00E9 Program Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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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
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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
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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
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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
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Aug. 26, 2029
Missile Defense Agency - Multiple Authority Announcement
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2030
Missile Defense Agency - Multiple Authority Announcement
54 - Professional, Scientific, and Technical Services
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Mar. 27, 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
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
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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
Facilities Technology Management (FTM)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Dec. 23, 2026

Showing 51–100 of 5717 bids that are currently: Active.