| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
State Water Resources Control Board (Swrcb) |
Equilon Enterprises Llc |
$46,661,881.00 |
State Water Resources Control Board (SWRCB) |
| 2024 |
California Department of Corrections and Rehabilitation |
Pg&E |
$46,644,308.52 |
California Department of Corrections and Rehabilitation |
| 2021 |
Public Utilities Commission |
Tracfone Wireless Inc |
$46,641,461.75 |
Public Utilities Commission |
| 2025 |
Department of Food & Agriculture |
Dept Of General Services |
$46,599,645.77 |
Department of Food & Agriculture |
| 2025 |
Judicial Branch |
Mccarthy Building Cos Inc |
$46,553,003.53 |
Judicial Branch |
| 2025 |
School Facilities Aid Program |
Treasurer County Of San Diego |
$46,527,904.05 |
School Facilities Aid Program |
| 2023 |
Public Utilities Commission |
San Diego Gas & Electric Co |
$46,524,393.75 |
Public Utilities Commission |
| 2024 |
Judicial Branch |
Mackone Development Inc |
$46,522,502.84 |
Judicial Branch |
| 2022 |
Cal Fire (Department of Forestry and Fire Protection) |
County Of Kern |
$46,453,027.12 |
CAL FIRE (Department of Forestry and Fire Protection) |
| 2018 |
California Department of Health Care Services |
Kern Medical Center |
$46,441,663.82 |
California Department of Health Care Services |
| 2019 |
California Department of Health Care Services |
Stanford Hospital & Clinics |
$46,396,497.02 |
California Department of Health Care Services |
| 2025 |
San Bernardino Community College District |
Mccarthy Building Companies Inc |
$46,322,857.62 |
San Bernardino Community College District |
| 2025 |
Housing & Community Development |
City Of Chico |
$46,309,714.39 |
Housing & Community Development |
| 2022 |
California State University at Sacramento |
University Enterprises Inc |
$46,196,222.63 |
California State University at Sacramento |
| 2025 |
Department of Social Services |
Los Angeles Unified Sch Dist |
$46,137,781.53 |
Department of Social Services |
| 2024 |
California Department of Water Resources |
California Independent System Folsom Ca |
$46,118,611.66 |
California Department of Water Resources |
| 2022 |
California Department of Transportation (Caltrans) |
Southern California Association Of Governments |
$46,091,562.74 |
California Department of Transportation (Caltrans) |
| 2021 |
California Department of Transportation (Caltrans) |
Peterson-Chase Gen Engineering Construction Inc |
$46,091,017.75 |
California Department of Transportation (Caltrans) |
| 2022 |
Department of Education |
West Contra Costa Usd |
$46,021,090.36 |
Department of Education |
| 2025 |
Housing & Community Development |
City Of San Jose |
$45,956,128.37 |
Housing & Community Development |
| 2021 |
Kern Community College District |
S C Anderson Inc |
$45,926,041.06 |
Kern Community College District |
| 2025 |
First 5 |
Los Angeles County |
$45,920,104.62 |
First 5 |
| 2022 |
Department of Food & Agriculture |
Regents Of Univ Of Ca |
$45,796,606.33 |
Department of Food & Agriculture |
| 2022 |
School Facilities Aid Program |
Treasurer Of Tulare County |
$45,780,484.87 |
School Facilities Aid Program |
| 2022 |
School for the Deaf Fremont |
Treasurer Of Tulare County |
$45,780,484.87 |
School for the Deaf Fremont |
| 2021 |
Cal Fire (Department of Forestry and Fire Protection) |
Perimeter Solutions Lp |
$45,757,443.91 |
CAL FIRE (Department of Forestry and Fire Protection) |
| 2023 |
School Facilities Aid Program |
Treasurer Of San Joaquin County |
$45,753,857.67 |
School Facilities Aid Program |
| 2025 |
Department of Social Services |
Ofc Tech & Sltns Integration |
$45,715,593.23 |
Department of Social Services |
| 2023 |
Department of Public Health |
County Of Sacramento |
$45,709,729.93 |
Department of Public Health |
| 2022 |
University of California, Office of the President |
Uc Medicare Choice |
$45,709,426.26 |
University of California, Office of the President |
| 2025 |
Office of Emergency Services (Cal Ema) |
Regents Of University Of Ca |
$45,703,340.96 |
Office of Emergency Services (Cal EMA) |
| 2023 |
Office of Emergency Services (Cal Ema) |
Dept Of General Services |
$45,675,470.26 |
Office of Emergency Services (Cal EMA) |
| 2022 |
California Department of Transportation (Caltrans) |
Orange County Transportation Authority |
$45,639,077.00 |
California Department of Transportation (Caltrans) |
| 2023 |
Cal Fire (Department of Forestry and Fire Protection) |
Dyncorp International Llc |
$45,608,835.21 |
CAL FIRE (Department of Forestry and Fire Protection) |
| 2025 |
Department of Education |
Treasurer Of Yolo County |
$45,557,866.21 |
Department of Education |
| 2021 |
Department of Public Health |
Maximus Us Services |
$45,486,369.35 |
Department of Public Health |
| 2023 |
Department of Education |
Treasurer Of Nevada County |
$45,466,680.48 |
Department of Education |
| 2022 |
California Department of Transportation (Caltrans) |
Southern California Regional Rail Authority |
$45,461,948.19 |
California Department of Transportation (Caltrans) |
| 2023 |
Department of Social Services |
Ofc Tech & Sltns Integration |
$45,401,073.45 |
Department of Social Services |
| 2019 |
California Department of Health Care Services |
Family Healthcare Network |
$45,393,173.33 |
California Department of Health Care Services |
| 2023 |
Department of Public Health |
County Of Santa Clara |
$45,358,701.22 |
Department of Public Health |
| 2021 |
California Department of Health Care Services |
Orange County |
$45,341,136.82 |
California Department of Health Care Services |
| 2021 |
Department of Education |
Fresno Unif Sch Dist |
$45,296,975.21 |
Department of Education |
| 2023 |
State Water Resources Control Board (Swrcb) |
City Of Roseville |
$45,209,363.00 |
State Water Resources Control Board (SWRCB) |
| 2023 |
Department of Public Health |
Sierra Hlth Fdn-Center For |
$45,196,944.87 |
Department of Public Health |
| 2023 |
State of California Department of Motor Vehicles |
Taborda Solutions Inc Dba Optm |
$45,157,893.92 |
State of California Department of Motor Vehicles |
| 2025 |
California Department of Corrections and Rehabilitation |
Thompson Builders Corporation |
$45,151,703.04 |
California Department of Corrections and Rehabilitation |
| 2021 |
California Department of Transportation (Caltrans) |
Mcm Construction Inc |
$45,107,323.17 |
California Department of Transportation (Caltrans) |
| 2018 |
California Department of Health Care Services |
La Co Olive View-Ucla |
$45,059,241.62 |
California Department of Health Care Services |
| 2021 |
California Department of Health Care Services |
Arrowhead Regional Med Center |
$44,943,755.21 |
California Department of Health Care Services |
| 2018 |
California Department of Health Care Services |
Omni Family Health |
$44,941,007.87 |
California Department of Health Care Services |
| 2021 |
Department of Health Care Services (Dhcs) |
Dept Of Developmental Services |
$44,916,853.41 |
Department of Health Care Services (DHCS) |
| 2022 |
California Department of Transportation (Caltrans) |
Sully-Miller Contracting Co |
$44,872,050.18 |
California Department of Transportation (Caltrans) |
| 2021 |
Department of Health Care Services (Dhcs) |
Alameda County Hlth Care Svcs |
$44,810,880.00 |
Department of Health Care Services (DHCS) |
| 2021 |
California Department of Health Care Services |
Alameda Health System |
$44,794,207.23 |
California Department of Health Care Services |
| 2021 |
Public Utilities Commission |
Amerimex Communications Corp |
$44,775,248.93 |
Public Utilities Commission |
| 2023 |
Department of Public Health |
County Of Riverside |
$44,767,292.37 |
Department of Public Health |
| 2023 |
California Department of Transportation (Caltrans) |
San Diego Assn Of Governments |
$44,756,754.58 |
California Department of Transportation (Caltrans) |
| 2023 |
Department of Education |
Treasurer Of San Benito County |
$44,719,685.42 |
Department of Education |
| 2024 |
Department of General Services |
Dpr Construction |
$44,717,049.15 |
Department of General Services |
| 2021 |
California Department of Health Care Services |
Treasurer Of Riverside County |
$44,692,718.21 |
California Department of Health Care Services |
| 2025 |
Energy Resources Conservation |
Calstart Inc |
$44,682,443.24 |
Energy Resources Conservation |
| 2017 |
California Department of Health Care Services |
Golden Living Center |
$44,669,643.30 |
California Department of Health Care Services |
| 2022 |
School Facilities Aid Program |
Treasurer Of San Bernardino County |
$44,633,508.60 |
School Facilities Aid Program |
| 2022 |
School for the Deaf Fremont |
Treasurer Of San Bernardino County |
$44,633,508.60 |
School for the Deaf Fremont |
| 2025 |
Department of Health Care Services (Dhcs) |
Gainwell Technologies Llc |
$44,609,255.17 |
Department of Health Care Services (DHCS) |
| 2018 |
California Department of Health Care Services |
Alta Bates Summit Med Ct |
$44,577,545.33 |
California Department of Health Care Services |
| 2024 |
Office of Emergency Services (Cal Ema) |
Dept Of Water Resources |
$44,479,920.71 |
Office of Emergency Services (Cal EMA) |
| 2024 |
Department of State Hospitals |
Amerisource Bergen Drug Corp |
$44,470,900.14 |
Department of State Hospitals |
| 2023 |
Community Services & Development |
Community Action Partnership |
$44,470,833.15 |
Community Services & Development |
| 2025 |
High-Speed Rail Authority (Chsra) |
Arcadis Us Inc |
$44,456,641.10 |
High-Speed Rail Authority (CHSRA) |
| 2024 |
Public Utilities Commission |
San Diego Gas & Electric Co |
$44,430,125.35 |
Public Utilities Commission |
| 2021 |
Department of Health Care Services (Dhcs) |
Ucsd Medical Center San Diego |
$44,429,573.73 |
Department of Health Care Services (DHCS) |
| 2018 |
California Department of Health Care Services |
Pittsburg Health Ctr |
$44,373,117.12 |
California Department of Health Care Services |
| 2023 |
California Department of Corrections and Rehabilitation |
Geo Reentry Service Llc C/O Geo Corrections Holdings Inc |
$44,340,155.01 |
California Department of Corrections and Rehabilitation |
| 2021 |
California Department of Transportation (Caltrans) |
Santa Clara Valley Transportation Authority |
$44,336,092.18 |
California Department of Transportation (Caltrans) |
| 2025 |
University of California, Los Angeles |
Pcl Construction Services Inc |
$44,293,835.43 |
University of California, Los Angeles |
| 2017 |
California Department of Health Care Services |
Riverside University Health |
$44,289,005.99 |
California Department of Health Care Services |
| 2022 |
Department of Social Services |
Mexican American Oppty Fdn |
$44,267,001.44 |
Department of Social Services |
| 2019 |
California Department of Health Care Services |
Family Healthcare Netwrk |
$44,263,531.43 |
California Department of Health Care Services |
| 2025 |
University of California, Berkeley |
Xl Construction Corporation |
$44,241,390.58 |
University of California, Berkeley |
| 2025 |
Housing & Community Development |
County Of San Mateo |
$44,191,652.45 |
Housing & Community Development |
| 2021 |
California Department of Health Care Services |
Ucsd Medical Center San Diego |
$44,147,309.23 |
California Department of Health Care Services |
| 2024 |
University of California, Los Angeles |
Iqvia Government Solutions Inc |
$44,119,366.18 |
University of California, Los Angeles |
| 2022 |
California Department of Transportation (Caltrans) |
Ghilotti Construction Co Inc |
$44,109,996.51 |
California Department of Transportation (Caltrans) |
| 2024 |
Air Resources Board |
Sacramento Metro Air Quality |
$44,089,355.11 |
Air Resources Board |
| 2021 |
Department of Education |
West Contra Costa Usd |
$44,033,434.19 |
Department of Education |
| 2025 |
Office of Emergency Services (Cal Ema) |
Port City Operating Company |
$44,029,219.14 |
Office of Emergency Services (Cal EMA) |
| 2024 |
University of California, Los Angeles |
Kitchell Contractors Inc |
$43,997,111.24 |
University of California, Los Angeles |
| 2024 |
University of California, San Diego |
Kitchell Contractors Inc |
$43,997,111.00 |
University of California, San Diego |
| 2024 |
California Department of Corrections and Rehabilitation |
Thompson Builders Corporation |
$43,935,207.85 |
California Department of Corrections and Rehabilitation |
| 2023 |
School Facilities Aid Program |
Leadership Public Schools Inc |
$43,931,724.60 |
School Facilities Aid Program |
| 2019 |
California Department of Health Care Services |
Ahf Pharmacy |
$43,898,012.92 |
California Department of Health Care Services |
| 2025 |
School Facilities Aid Program |
Kings County |
$43,875,800.47 |
School Facilities Aid Program |
| 2022 |
Allan Hancock College |
Amg & Associates Inc |
$43,854,273.16 |
Allan Hancock College |
| 2024 |
University of California, San Diego |
(Supplier Not Available) |
$43,807,492.00 |
University of California, San Diego |
| 2024 |
Department of Toxic Substances Control |
Nec Group Inc |
$43,752,013.33 |
Department of Toxic Substances Control |
| 2023 |
California Department of Transportation (Caltrans) |
Peterson-Chase Gen Engineering Construction Inc |
$43,723,507.60 |
California Department of Transportation (Caltrans) |
| 2019 |
California Department of Health Care Services |
Pomona Valley Comm Hospi |
$43,682,554.55 |
California Department of Health Care Services |
| 2025 |
Department of Education |
Long Beach Unified School Dist |
$43,575,882.98 |
Department of Education |