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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 751–800 of 5676 bids that are currently: Active.

Denotes bidding opportunities that have been amended

California - US Due Date
Automotive Fleet Management and Maintenance Services
54 - Professional, Scientific, and Technical Services
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May. 15, 2026
Corporate: Crystal Springs Pipeline No. 2 Reach 5 Lining Replacement - Tribal monitoring
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Apr. 23, 2026
Corporate: Wildcat Fish Passage Implementation Project - Build\/Coordinate with West County Waste Management
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: Wildcat Fish Passage Implementation Project - Prepare Storm Water Pollution Prevention Plan
54 - Professional, Scientific, and Technical Services
(to see the full NAICS category code login  or  upgrade)
Mar. 24, 2026
Corporate: Wildcat Fish Passage Implementation Project - Contractor Quality Control Plan
54 - Professional, Scientific, and Technical Services
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Mar. 24, 2026
Investment Management Services
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2026
Operate and Manage Softball Facilities
54 - Professional, Scientific, and Technical Services
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Apr. 03, 2026
Professional Project Management Services
54 - Professional, Scientific, and Technical Services
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Apr. 08, 2026
Sousa Park Pool Management
54 - Professional, Scientific, and Technical Services
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Mar. 26, 2026
Management Services Organization \/ Administrative Services Organization
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2026
ASSET MANAGEMENT AND RELIABILITY SUPPORT SERVICES
54 - Professional, Scientific, and Technical Services
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Apr. 21, 2026
Corporate: University HS PAC - Inc 1 - SWPPP & BMP
54 - Professional, Scientific, and Technical Services
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Mar. 24, 2026
Pool of Underwriters and Commercial Paper Dealers
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2026
Municipal Advisors
54 - Professional, Scientific, and Technical Services
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Apr. 17, 2026
Credit Liquidity Facilities
54 - Professional, Scientific, and Technical Services
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Jul. 31, 2026
As-Needed Consultant Services-2025-14
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-12
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-17
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-18
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-16
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-4
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-6
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-10
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services-2025-15
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
As-Needed Consultant Services - 2025
54 - Professional, Scientific, and Technical Services
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Feb. 28, 2030
Strategic Plan and Support Services
54 - Professional, Scientific, and Technical Services
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Aug. 14, 2027
NAWCWD Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Oct. 30, 2026
Public Sector Strategy Consulting Services
54 - Professional, Scientific, and Technical Services
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Oct. 15, 2027
Consulting & Professional Services Master A
54 - Professional, Scientific, and Technical Services
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Oct. 15, 2027
Naval Special Warfare Command (NSWC) UxS Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
NAWCWD Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Oct. 30, 2026
NAWCWD Broad Agency Announcement
54 - Professional, Scientific, and Technical Services
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Oct. 30, 2026
Sources Sought Special Notice 2026
54 - Professional, Scientific, and Technical Services
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Jan. 01, 2027
USA: Los Angeles District (SPL), USACE Business Opportunity Open House (BOOH)
54 - Professional, Scientific, and Technical Services
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Apr. 19, 2026
Naval Special Warfare Command (NSWC) UxS Commercial Solutions Opening (CSO)
54 - Professional, Scientific, and Technical Services
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Dec. 31, 2026
USACE Sacramento District 2026 Business Opportunities Open House
54 - Professional, Scientific, and Technical Services
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Apr. 16, 2026
USA: Los Angeles District (SPL), USACE Business Opportunity Open House (BOOH)
54 - Professional, Scientific, and Technical Services
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Apr. 19, 2026
CSO - Sierra Army Depot
54 - Professional, Scientific, and Technical Services
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Jun. 30, 2030
USACE Sacramento District 2026 Business Opportunities Open House
54 - Professional, Scientific, and Technical Services
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Apr. 16, 2026
SPACE PROPULSION RESEARCH AND INNOVATION FOR NEUTRALIZING SATELLITE THREATS (SPRINT) BROAD AGENCY ANNOUNCEMENT (BAA)
54 - Professional, Scientific, and Technical Services
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Jan. 23, 2027
California\u2019s National Electric Vehicle Infrastructure Formula Program 5
54 - Professional, Scientific, and Technical Services
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May. 07, 2026
Triennial Performance Audits
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2026
CODE ENFORCEMENT OUTREACH PROGRAM
54 - Professional, Scientific, and Technical Services
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Mar. 23, 2026
Welfare-to-Work Expanded Subsidized Employment Program
54 - Professional, Scientific, and Technical Services
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Apr. 02, 2026
Area Agency on Aging
54 - Professional, Scientific, and Technical Services
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Mar. 27, 2026
Seeking 3rd Party Program Evaluation Services
54 - Professional, Scientific, and Technical Services
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Mar. 31, 2026
HHS-2026-05 EARLY INTERVENTION PROGRAMS
54 - Professional, Scientific, and Technical Services
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Mar. 24, 2026
Professional Services
54 - Professional, Scientific, and Technical Services
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Mar. 26, 2026
Reprographics Services
54 - Professional, Scientific, and Technical Services
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Mar. 24, 2026
REQUEST FOR INFORMATION (RFI) - Full Rate Production and Sustainment - MIBS program
54 - Professional, Scientific, and Technical Services
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Mar. 30, 2026

Showing 751–800 of 5676 bids that are currently: Active.