| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2024 |
Social And Health Services |
Northwest Regional Council |
$12,019,542.34 |
Washington State Checkbook |
| 2022 |
Health |
Mathematica Policy Research Inc |
$12,009,419.34 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Treehouse |
$11,998,318.99 |
Washington State Checkbook |
| 2025 |
Health |
Carahsoft Technology Corporation |
$11,991,102.10 |
Washington State Checkbook |
| 2021 |
Public Schools |
Mead School Dist 354 |
$11,990,238.36 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Walgreen Co |
$11,971,102.80 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Puget Sound Regional Services, I |
$11,970,759.15 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Full Life Care |
$11,970,716.26 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Shc Medical Center - Toppenish |
$11,965,795.63 |
Washington State Checkbook |
| 2022 |
Commerce |
Benton County Human Services |
$11,962,318.91 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Grant County Public Hospital Dis |
$11,955,424.13 |
Washington State Checkbook |
| 2018 |
Enterprise Services |
Alliant Insurance Services Inc |
$11,953,681.36 |
Washington State Checkbook |
| 2018 |
Health |
Sanofi Pasteur Inc |
$11,951,956.95 |
Washington State Checkbook |
| 2018 |
Transportation |
Jacobs Engineering Group Inc |
$11,950,265.12 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Sunnyside Community Hospital Ass |
$11,950,007.61 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Living In Fullfilling Environmen |
$11,941,016.66 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Fred Hutchinson Cancer Center |
$11,931,936.31 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Native Project Inc |
$11,930,216.00 |
Washington State Checkbook |
| 2025 |
Corrections |
Des Risk Mgmt Self Insur Claim |
$11,916,068.85 |
Washington State Checkbook |
| 2024 |
Corrections |
Des Risk Mgmt Self Insur Claim |
$11,915,848.81 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Arris Health Services Llc |
$11,914,242.00 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Amicable Health Care |
$11,910,134.82 |
Washington State Checkbook |
| 2020 |
Transportation |
Quigg Bros Inc |
$11,906,268.15 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Wcc Operator Llc |
$11,905,290.05 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Virginia Mason Medical Center |
$11,903,857.85 |
Washington State Checkbook |
| 2016 |
Civil Legal Aid |
Northwest Justice Project |
$11,894,639.69 |
Washington State Checkbook |
| 2020 |
Public Schools |
Summit Public Schools Wash |
$11,888,283.10 |
Washington State Checkbook |
| 2021 |
Agriculture |
Triple B Corporation |
$11,888,189.10 |
Washington State Checkbook |
| 2018 |
Transportation |
Seattle City Of Dept Of Transp |
$11,884,442.55 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Uw School Of Dentistry |
$11,878,216.62 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Elite Home Care |
$11,874,260.28 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Community Health Care - Tacoma |
$11,873,729.38 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Josephine Caring Community |
$11,873,446.72 |
Washington State Checkbook |
| 2022 |
Transportation |
Mid Mountain Contractors Inc |
$11,872,462.55 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Bethany Of The Northwest |
$11,871,001.33 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Consolidated Resources Health Ca |
$11,859,419.86 |
Washington State Checkbook |
| 2023 |
Health |
Snohomish Health District |
$11,857,319.34 |
Washington State Checkbook |
| 2023 |
Enterprise Services |
Us Bank Purchasing Card Program |
$11,844,419.84 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Peninsula Comm Health Services |
$11,834,116.35 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Kitsap Tenant Support Services I |
$11,827,778.44 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Clallam County Public Hospital D |
$11,827,336.94 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Dor Excise Tax |
$11,822,450.67 |
Washington State Checkbook |
| 2017 |
Department Of Early Learning (Del) |
Snohomish County Human Services |
$11,816,114.08 |
Washington State Checkbook |
| 2025 |
Ecology |
City Of Granite Falls |
$11,815,004.28 |
Washington State Checkbook |
| 2025 |
Natural Resources |
Bridger Aerospace Group Llc |
$11,808,473.99 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
The Caroline Kline Galland Home |
$11,803,370.96 |
Washington State Checkbook |
| 2025 |
Commerce |
Plymouth Housing Group |
$11,801,283.92 |
Washington State Checkbook |
| 2016 |
Transportation |
Cargill Incorporated |
$11,788,063.56 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Clallam County Public Hospital D |
$11,784,655.49 |
Washington State Checkbook |
| 2016 |
Criminal Justice Training Cmsn |
Washington Association Of |
$11,783,030.83 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Kitsap County Human Services |
$11,766,419.48 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Walgreen Co |
$11,763,093.77 |
Washington State Checkbook |
| 2024 |
Commerce |
Lynnwood City Of |
$11,756,106.41 |
Washington State Checkbook |
| 2024 |
State Patrol |
Us Bank Purchasing Card Program |
$11,755,352.03 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Delta Dental Of Washington |
$11,755,176.62 |
Washington State Checkbook |
| 2021 |
Transportation |
Siemens Industry Inc |
$11,751,149.42 |
Washington State Checkbook |
| 2023 |
Commerce |
Chelan-Douglas Comm Action Cncl |
$11,745,535.09 |
Washington State Checkbook |
| 2020 |
Public Schools |
Lake Stevens School Dist #4 |
$11,738,097.74 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Rehabco, Inc. |
$11,732,184.47 |
Washington State Checkbook |
| 2021 |
Enterprise Services |
Us Bank Purchasing Card Program |
$11,731,917.22 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Milliman Inc |
$11,730,174.96 |
Washington State Checkbook |
| 2020 |
Transportation |
National Railroad Passenger Corp |
$11,726,976.84 |
Washington State Checkbook |
| 2023 |
Public Schools |
Yelm Community Schools |
$11,717,276.40 |
Washington State Checkbook |
| 2022 |
Children, Youth, And Families |
Uw-Grant & Contract Accounting |
$11,709,554.44 |
Washington State Checkbook |
| 2022 |
Commerce |
Spokane Neighborhood Action Prtn |
$11,705,574.27 |
Washington State Checkbook |
| 2023 |
Health |
Skagit County Pud No 1 |
$11,700,000.00 |
Washington State Checkbook |
| 2023 |
Transportation |
Tucci & Sons Inc |
$11,698,717.73 |
Washington State Checkbook |
| 2025 |
State Patrol |
Us Bank Purchasing Card Program |
$11,690,434.85 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Service Alternatives Inc. |
$11,687,361.56 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Special Mobility Services Inc |
$11,676,910.08 |
Washington State Checkbook |
| 2022 |
Military Department |
Telecommunication Systems Inc |
$11,675,596.26 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Providence Health & Services Was |
$11,668,371.43 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Hatch Mott Macdonald Group Inc |
$11,660,602.01 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Providence Health And Srvs Wa |
$11,652,844.24 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Assisted Residential Services, I |
$11,651,877.02 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Confluence Health |
$11,651,516.94 |
Washington State Checkbook |
| 2023 |
State Patrol |
Dnr Deposit Acct |
$11,651,248.78 |
Washington State Checkbook |
| 2025 |
State Patrol |
Clary Longview Llc |
$11,650,995.55 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Sunbridge Nursing Home, Llc |
$11,645,858.73 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Berger Abam Engineers Inc |
$11,642,479.15 |
Washington State Checkbook |
| 2018 |
Workforce Trng & Educ Coord Board |
Ospi General Fund 001 |
$11,641,411.90 |
Washington State Checkbook |
| 2020 |
Public Schools |
Seattle School Dist 1 |
$11,632,139.85 |
Washington State Checkbook |
| 2020 |
Fish And Wildlife |
Us Bank Purchasing Card Program |
$11,630,685.00 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Living In Fullfilling Environmen |
$11,630,297.92 |
Washington State Checkbook |
| 2016 |
Enterprise Services |
Columbia Ford Inc |
$11,627,593.10 |
Washington State Checkbook |
| 2017 |
Department Of Ecology |
Liberty Lake Sewer & Water Dist |
$11,618,431.32 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Walgreen Co |
$11,618,054.18 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Neighborcare Health |
$11,614,311.51 |
Washington State Checkbook |
| 2025 |
Transportation |
Shi International Corp |
$11,613,525.99 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Atg Legal Svcs |
$11,610,054.68 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Snohomish County |
$11,607,011.22 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Community Integrated Services, I |
$11,602,984.59 |
Washington State Checkbook |
| 2025 |
Transportation |
Kitsap Transit |
$11,599,392.46 |
Washington State Checkbook |
| 2018 |
Criminal Justice Training Cmsn |
Washington Association Of |
$11,591,976.76 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Aging & Adult Care Of Central Wa |
$11,568,094.90 |
Washington State Checkbook |
| 2024 |
Ecology |
Tacoma City Of |
$11,565,168.05 |
Washington State Checkbook |
| 2020 |
Workforce Trng & Educ Coord Board |
Sbctc Fund 001 |
$11,559,770.83 |
Washington State Checkbook |
| 2021 |
Corrections |
Hca Admin Accounting |
$11,548,094.75 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Aging & Adult Care Of Central Wa |
$11,547,908.82 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
The Caroline Kline Galland Home |
$11,547,380.52 |
Washington State Checkbook |