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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 351–400 of 6836 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| California - US | Agency | Bid Type | Due Date | As PDF |
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Corporate: 2026-ADA Curb Ramps, High Tension Cable Barrier, and LED Lighting \u2013 Stormwater Annual Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 05, 2026 |
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Corporate: STRUCTURAL REPAIRS AT NCMT BERTHS 24-3 AND 24-4 - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: STRUCTURAL REPAIRS AT NCMT BERTHS 24-3 AND 24-4 - QA\/QC
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: STRUCTURAL REPAIRS AT NCMT BERTHS 24-3 AND 24-4 - SWPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: STRUCTURAL REPAIRS AT NCMT BERTHS 24-3 AND 24-4 - Civil
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Alvarado Trunk Sewer PH IV and Water Main Relocations - Archeo\/Paleo\/Cultural\/Biological Monitoring
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: Machado WWTF Upgrade and Expansion - Construction surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 20, 2026 |
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Corporate: Machado WWTF Upgrade and Expansion - SWPPP and erosion control
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 20, 2026 |
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Corporate: Greenfield Wastewater Treatment Plant Upgrade Project - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: Greenfield Wastewater Treatment Plant Upgrade Project - Construction surveying & layout
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: Construct DPP infiltration areas, capture housing, bioswales, & MVPs \u2013 Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 10, 2026 |
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Corporate: Construct DPP infiltration areas, capture housing, bioswales, & MVPs \u2013 Time-Related Overhead (Wday)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 10, 2026 |
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Corporate: Drainage System Restoration \u2013 Time-Related Overhead (Wday)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 03, 2026 |
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Corporate: Install Capture Housing, Landscape, And Electrical \u2013 Lead Compliance Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Install Capture Housing, Landscape, And Electrical \u2013 Time-Related Overhead (Wday)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: SECONDARY REACTORS REHABILITATION, Phase 2 - surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 18, 2026 |
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Corporate: Construct DPP infiltration areas, capture housing, bioswales, & MVPs \u2013 During-And Post-Storm Event Inspection Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 10, 2026 |
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Corporate: Construct DPP infiltration areas, capture housing, bioswales, & MVPs \u2013 Stormwater Annual Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 10, 2026 |
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Corporate: ALVARADO TRUNK SEWER PH. IV AND WATER MAIN RELOCATIONS - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: ALVARADO TRUNK SEWER PH. IV AND WATER MAIN RELOCATIONS - Survey Monuments
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: ALVARADO TRUNK SEWER PH. IV AND WATER MAIN RELOCATIONS - CCTV Inspection
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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PROFESSIONAL SERVICES FOR CITYWIDE PAVEMENT MANAGEMENT PROGRAM
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 03, 2026 |
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Architectural and Engineering Design Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 04, 2026 |
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Engineering Professional Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Corporate: US 101 Express Lanes Phase 5 in Santa Clara County in Sunnyvale and San Jose - SWPPP PLANNING
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 12, 2026 |
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Corporate: Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements - Soil & Compaction Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements - Material Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 & 24-4 - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 & 24-4 - QAQC
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 & 24-4 - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 & 24-4 - Video Documentation
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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A&E On-Call Water & Wastewater Project Development
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Sea Range Safety Surveillance Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Oct. 29, 2026 |
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Building Inspector Combination Electrical Code Inspection Consulting
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Emergency Power Study (Water Facilities) & Design Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 28, 2026 |
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Facilities Master Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 30, 2026 |
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Corporate: Install Capture Housing, Landscape, And Electrical \u2013 Pre-Storm Event Inspection Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Install Capture Housing, Landscape, And Electrical \u2013 During-And Post-Storm Event Inspection Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Install Capture Housing, Landscape, And Electrical \u2013 Stormwater Annual Report
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 and 24-4 - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 and 24-4 - QAQC
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Structural Repairs at NCMT Berths 24-3 and 24-4 - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Nov. 04, 2026 |
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Corporate: Recharge Master Plan Update Basin Improvements Project - Montclair Basin Improvements - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: Recharge Master Plan Update Basin Improvements Project - Montclair Basin Improvements - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: Recharge Master Plan Update (RMPU) Basin Improvements Project - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: W-375 Zone G Water Main Replacement Project - Water Pollution Control Plans
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Corporate: W-375 Zone G Water Main Replacement Project - Pre & Post Construction Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Engineering Services for the Street
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Oct. 29, 2026 |
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Mixed Use Development Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 14, 2027 |
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