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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 5957 bids that are currently: Active.

Denotes bidding opportunities that have been amended

Alabama - US Due Date
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
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
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
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
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
2026 PAE - Maneuver Air Industry Days, Fort Rucker, AL
54 - Professional, Scientific, and Technical Services
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Aug. 28, 2026
2026 PAE - Maneuver Air Industry Days, Fort Rucker, AL
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 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
Opioid Settlement Grant Program
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 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
Eligibility Assessment & System Review
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 17, 2026
Mobile Integrated Launch Capability
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 30, 2028
DEVCOM Aviation & Missile Center Industry Summit
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 28, 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)
Sep. 01, 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
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
Common Autonomous Multi-Domain Launcher (CAML) Autonomous Mobility Platform (AMP) - Prototype - 36K Lbs. Variant , Leader Prototype, Autonomy Command and Control (C2) and Integration Request for Solutions Brief
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 01, 2026
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
USA: Area of Interest (AoI) \u2013 Lifecycle Sustainment, Advanced Engineering, and Multi-Class Parts Sourcing Support Services (CSO-W911KF25SC002)
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 22, 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
Dynamometer Technical License and Rights
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 27, 2026
Administrative Services for Bail Bonding Board
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Sep. 08, 2026
ENVIRONMENTAL ASSESSMENT SERVICES
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 17, 2026
Pesticide Residue Lab and SCL - Water Treatment Service
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 17, 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
(to see the full NAICS category code login  or  upgrade)
Sep. 16, 2026
Professional Services for Conceptual Design of a Looped Trail
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
SEPTIC AND LEACH FIELD REDESIGN
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 18, 2026
W911KB26RA046
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 25, 2026
ENGINEERING SERVICES INDUSTRIAL PRETREATMENT STUDY
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 17, 2026
ENGINEERING SERVICES WASTEWATER EFFLUENT DISINFECTION STUDY
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 17, 2026
Central Region Drainage Inspection and Condition Assessment Services
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 19, 2026
Terminal Bathroom Remodel Design-Build
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 20, 2026
Fivemile Hydroelectric - Phase 1 Construction
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 21, 2026
Design New Solid Waste Administration Building
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Aug. 24, 2026

Showing 101–150 of 5957 bids that are currently: Active.