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.
|
|
| California - US | Agency | Bid Type | Due Date | As PDF |
|---|---|---|---|---|
|
Corporate: Portsmouth Square Improvement - Surveying
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
Lake Lindero Rehabilitation Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 09, 2025 |
|
|
Design & Construction Standards Update
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 09, 2026 |
|
|
COUNTY SHERIFF\u2019S SELF-WASH BAY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
|
|
Feasibility Analysis For State Street Stormwater Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 26, 2026 |
|
|
Shoreline Drive Realignment Project Construction Management
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
|
|
Engineering Services for the Power Plant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 15, 2025 |
|
|
Architectural & Engineering (A&E) Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 08, 2025 |
|
|
Collaborative Design Bid Build Services (Nursing Expansion)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
|
|
CIVIL ENGINEERING AND ENVIRONMENTAL SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
Roadway Design Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 08, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 10, 2025 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 09, 2025 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
|
|
Safe Routes to School
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 09, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements - Develop Water Supply
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements - Materials Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage 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 | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements - Geotechnical Engineering
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements - SWPPP Planning
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements Project - SWPP Plan & SWPP Materials
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements Project - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: Vista Grande Drainage Basin Improvements Project - QC Testing
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
Corporate: San Jose Creek Water Reclamation Plant Stages I and II Concrete Repair and Biotrickling Filters - Survey Subcontractor
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 11, 2025 |
|
|
Corporate: Bridge Removal, Col Casing, CB Cold Place AC Pavement \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 | Dec. 10, 2025 |
|
|
Architectural Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 19, 2025 |
|
|
Topographic & Land Surveying Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 19, 2025 |
|
|
EASTBOUND CORRIDOR OPERATIONS PROJECT - PROGRESSIVE DESIGN-BUILD
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 20, 2026 |
|
|
Corporate: Bridge Removal, Col Casing, CB Cold Place AC Pavement \u2013 Noise Monitoring
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
Transportation Center and Fire Station No. 3 Relocation Feasibility Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 17, 2025 |
|
|
7-YEAR ROADWAY ANALYSIS AND DISTRESS SURVEYS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 12, 2025 |
|
|
INSPECTION AND TESTING SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 10, 2025 |
|
|
SIERRA MADRE DOWNTOWN PARKING STUDY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 17, 2025 |
|
|
Engineering Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jan. 14, 2026 |
|
|
Corporate: Structural Concrete, Furnish and Place Polyester Concrete Overlay \u2013 Lead Compliance Plan Ls 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
|
|
Corporate: Sign Structure - Lead Compliance Plan Ls 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 17, 2025 |
|
|
Corporate: Modify and Install TMS Elements \u2013 Lead Compliance Plan Ls 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
|
|
Corporate: Alley Improvement Project - Survey
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 09, 2025 |
|
|
Catering Kitchen
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 18, 2025 |
|
|
Grade Separation 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, 2026 |
|
|
Building Safety Division Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
|
|
Project Management Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 08, 2025 |
|
|
Transportation Engineering and Planning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 30, 2026 |
|
|
Corporate: Wall Construction, Earthwork, and Drainage - 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 | Jan. 08, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 23, 2025 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Dec. 10, 2025 |
|
|
Modernization & Expansion Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 08, 2025 |
|
|
LARGE TRASH CAPTURE DESIGN
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Dec. 16, 2025 |
|