Government Contracting in California
Explore the federal contracting landscape in California. Discover active contractors, trending industries, and key government agencies awarding contracts in the state.
Small Business
76%
11,540 of 15,168
Top Industries in California
Most common NAICS codes among California contractors
No NAICS data available.
Browse all NAICS codesTop Buying Agencies in California
Federal agencies with the most contract activity in CA (FY2025)
- 1Department of Defense304 awards
- 2National Aeronautics and Space Administration49 awards
- 3Department of Energy40 awards
- 4Department of Veterans Affairs36 awards
- 5Department of Homeland Security26 awards
- 6General Services Administration9 awards
- 7Department of Health and Human Services8 awards
- 8Department of the Interior6 awards
- 9Environmental Protection Agency4 awards
- 10Department of State4 awards
Top Federal Contractors in California
Highest-volume contractors headquartered in California by total obligations
| Company | City | Size | Total Obligations | Transactions |
|---|---|---|---|---|
| SPACE EXPLORATION TECHNOLOGIES CORP. DBA: SPACEX | HAWTHORNE | Large | $12.7B | 1,135 |
| LAWRENCE LIVERMORE NATIONAL SECURITY, LLC | LIVERMORE | Large | $11.4B | 105 |
| CALIFORNIA INSTITUTE OF TECHNOLOGY | PASADENA | Large | $8.6B | 6,023 |
| HEALTH NET FEDERAL SERVICES, LLC | RANCHO CORDOVA | Large | $8.5B | 213 |
| QTC MEDICAL SERVICES INC DBA: QTC MEDICAL SERVICES, INC. | SAN DIMAS | Large | $7.0B | 585 |
| THE BOEING COMPANY DBA: BOEING COMPANY THE (0674) | LONG BEACH | Large | $6.3B | 606 |
| GENERAL ATOMICS AERONAUTICAL SYSTEMS, INC. DBA: US GOV GA AERONAUTICAL UAV | POWAY | Large | $5.8B | 2,031 |
| RAYTHEON COMPANY DBA: RAYTHEON | EL SEGUNDO | Large | $4.6B | 2,397 |
| THE REGENTS OF THE UNIVERSITY OF CALIFORNIA DBA: UNIVERSITY OF CALIFORNIA OFFICE OF THE PRESIDENT | OAKLAND | Large | $4.3B | 171 |
| THE AEROSPACE CORPORATION DBA: THE AEROSPACE CORP | EL SEGUNDO | Large | $4.2B | 1,830 |
Contractor Certifications in California
Recent Contract Awards in California
15DDHQ25F00000835
Department of Justice
NAICS: 517312 | Dec 4, 2025
$166K
36C26124C0093
Department of Veterans Affairs
NAICS: 236220 | Dec 4, 2025
$78K
140P2025C0024
Department of the Interior
NAICS: 236220 | Dec 4, 2025
$0
36C24225N0101
Department of Veterans Affairs
NAICS: 334516 | Dec 4, 2025
$-9K
70FBR924F00000897
Department of Homeland Security
NAICS: 561599 | Dec 4, 2025
$-40K
Find Active Contracts in California
GovCon in a Box helps you discover contracting opportunities, research competitors, and position your business for federal contracts in California and beyond.