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 |
|---|---|---|---|---|
|
Consulting Services for the Reconnecting Communities & Neighborhoods
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
Federal Liaison Officer
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Jun. 10, 2026 |
|
|
Corporate: Bridge Replacement at Walker Creek \u2013 Level 2 Critical Path Method Schedule
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
|
|
STATEMENT OF CONDITIONS GENERAL HOSPITAL
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
|
|
Public Library Strategic Plan and Efficiency Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 18, 2026 |
|
|
Professional Consultant Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 27, 2026 |
|
|
Consultant Services for Volatile Organic Compound (VOC)
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 13, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 16, 2026 |
|
|
Culture Assessment Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
|
|
Corporate: Furnish & Place Polyester Concrete Overlay \u2013 Public Safety Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
|
|
CLASSIFICATION AND COMPENSATION STUDY
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 04, 2026 |
|
|
OMBUDSMAN PROGRAM
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
FATS, OILS, AND GREASE PROGRAM INSPECTION SERVICES
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
|
|
CDD Consultant and Scanning Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
|
|
Training Exercise Consultant Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
|
|
Corporate: Construct Roundabout \u2013 Level 2 Critical Path Method Schedule Ls 1
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
|
|
Corporate: Construct Roundabout \u2013 Dispute Resolution Board On-Site Meeting Ea 6
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
|
|
Corporate: Construct Roundabout \u2013 Hourly Off-Site Dispute-Resolution-Board-Related Tasks Hr 40
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 07, 2026 |
|
|
Corporate: Bridge Replacement at Walker Creek \u2013 Contractor Supplied Biologist
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 30, 2026 |
|
|
Legislative Advocacy and Grant Writing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
|
|
SUBSCRIPTION TO PLATFORM
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
|
|
Corporate: SJC New Taxiway Victor Phase 3A - SWPPP
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
|
|
Corporate: SJC New Taxiway Victor Phase 3A - Contractor Quality Control Plan
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
|
|
Conditional Release Program (CONREP) Supplemental Rate Housing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2027 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 24, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 27, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 07, 2026 |
|
|
Project Labor Agreement - Coordinator Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 10, 2026 |
|
|
Matilija Canyon Hydrogeologic Study
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 29, 2026 |
|
|
Corporate: Construction on State Highway in Lassen County about 16 Miles North of Susanville - Traffic Control \/ Portable Radar \/ PCMS \/ AFAD\u2019s
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
|
|
Corporate: CONSTRUCTION ON STATE HIGHWAY IN YOLO COUNTY AT AND NEAR ZAMORA - TRAFFIC CONTROL SYSTEMS
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Corporate: Susan Miller Dorsey Senior High School Stadium Upgrades Natural Turf Field & Synthetic Track - SWPPP IMPLEMENTATION
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
Downtown Expansion Plan Development Impact Fee
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 23, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Bids | Apr. 13, 2026 |
|
|
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | Federal Prebids | Apr. 17, 2026 |
|
|
Evaluation Services for the Ontario Promise Corps Program
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
Level II Parking Citation Review Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 24, 2026 |
|
|
As Needed Consultant Services for Environmental Review
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
|
|
Grant Writing and Procurement Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 21, 2026 |
|
|
Sustainability Planning Consultant
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Highway Safety Improvement Program (HSIP) and Traffic Calming Project
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
COUNTY WIDE MASTER FEE SCHEDULE UPDATE
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 08, 2026 |
|
|
Remittance Lockbox Processing Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 04, 2026 |
|
|
2026 State Legislative Advocacy Services Bench
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Environmental Monitoring and Regulatory Compliance Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 27, 2026 |
|
|
City Attorney Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 01, 2026 |
|
|
Title and Escrow Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Title and Escrow Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Title and Escrow Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|
|
Multi-provider Title and Escrow Services
54 - Professional, Scientific, and Technical Services (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
|