| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Health |
Shi International Corp |
$12,504,342.59 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Community In Motion |
$12,501,298.69 |
Washington State Checkbook |
| 2020 |
Criminal Justice Training Cmsn |
Washington Association Of |
$12,495,316.04 |
Washington State Checkbook |
| 2020 |
Natural Resources |
Bureau Of Indian Affairs |
$12,493,172.06 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Aging & Long Term Care Of |
$12,487,007.89 |
Washington State Checkbook |
| 2023 |
Transportation |
Na Degerstrom Inc |
$12,483,645.61 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
People For People |
$12,480,536.28 |
Washington State Checkbook |
| 2025 |
Commerce |
Volunteers Of America-Eastern Wa |
$12,467,452.61 |
Washington State Checkbook |
| 2024 |
Enterprise Services |
Us Bank Purchasing Card Program |
$12,465,829.23 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Thompson, Ferguson, Pllc |
$12,464,663.74 |
Washington State Checkbook |
| 2023 |
Public Schools |
Chief Leschi Schools |
$12,460,714.29 |
Washington State Checkbook |
| 2021 |
Commerce |
Opportunity Council |
$12,458,521.25 |
Washington State Checkbook |
| 2018 |
Transportation |
Electronic Transaction Consult |
$12,456,904.22 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Life Force Services Inc. |
$12,451,453.90 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Peacehealth Southwest Medical Ce |
$12,451,048.33 |
Washington State Checkbook |
| 2022 |
Public Schools |
Consolidated School Dist 116 |
$12,444,308.51 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Northwest Supported Living Inc. |
$12,441,199.92 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Unity Care Northwest |
$12,439,161.75 |
Washington State Checkbook |
| 2021 |
Health |
Glaxosmithkline Llc |
$12,436,617.99 |
Washington State Checkbook |
| 2024 |
Transportation |
Shi International Corp |
$12,434,741.24 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Southeast Wa Aging & Long Term |
$12,431,700.59 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Central Washington Health Servic |
$12,420,881.36 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Delta Dental Of Washington |
$12,417,376.28 |
Washington State Checkbook |
| 2023 |
Transportation |
Clark Co Public Trans Ben Area |
$12,413,011.79 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Educational Service Dist 112 |
$12,406,129.62 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Bethany Of The Northwest |
$12,405,016.58 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Columbia Basin Health Associatio |
$12,392,747.11 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Providence Health And Services W |
$12,386,183.29 |
Washington State Checkbook |
| 2021 |
Health |
Tacoma Pierce County Health Dept |
$12,385,298.12 |
Washington State Checkbook |
| 2025 |
Transportation |
Cgi Technologies And Solutions |
$12,382,842.88 |
Washington State Checkbook |
| 2016 |
Military Department |
Us Bank Purchasing Card Program |
$12,379,017.83 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Community Health Association Of |
$12,377,923.55 |
Washington State Checkbook |
| 2021 |
Public Schools |
Summit Public Schools Wash |
$12,369,633.61 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
International Community Health S |
$12,363,542.36 |
Washington State Checkbook |
| 2021 |
Transportation |
Hamilton Construction Company |
$12,356,096.67 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Esd General Fund Account |
$12,350,795.77 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Volunteers Of America Western Wa |
$12,347,661.82 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Moda Health Plan Inc |
$12,346,433.19 |
Washington State Checkbook |
| 2016 |
Corrections |
American Behavioral Health Sys |
$12,341,827.15 |
Washington State Checkbook |
| 2020 |
Recreation And Conservation Office |
Dnr Deposit Acct |
$12,338,184.87 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Esd General Fund Account |
$12,338,006.74 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Procare Pharmacy, L.L.C. |
$12,335,093.66 |
Washington State Checkbook |
| 2023 |
Military Department |
Telecommunication Systems Inc |
$12,327,416.29 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Unity Care Northwest |
$12,319,006.13 |
Washington State Checkbook |
| 2022 |
Health |
Aristo Healthcare Services Llc |
$12,307,876.32 |
Washington State Checkbook |
| 2025 |
Transportation |
Parametrix Inc |
$12,307,482.83 |
Washington State Checkbook |
| 2024 |
Health |
Volunteers Of America-Western Wa |
$12,307,332.11 |
Washington State Checkbook |
| 2020 |
Transportation |
Cpm Development Corp |
$12,301,965.28 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Thrifty Payless Inc |
$12,289,885.08 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Coordinated Care Corporation |
$12,285,592.00 |
Washington State Checkbook |
| 2025 |
Transportation |
Combined Construction Inc |
$12,281,275.66 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Life Works |
$12,276,532.57 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Peninsula Comm Health Services |
$12,275,460.94 |
Washington State Checkbook |
| 2025 |
Health |
Snohomish County |
$12,271,659.54 |
Washington State Checkbook |
| 2025 |
Enterprise Services |
Us Bank Purchasing Card Program |
$12,268,260.24 |
Washington State Checkbook |
| 2022 |
Commerce |
Chief Seattle Club |
$12,267,621.51 |
Washington State Checkbook |
| 2021 |
Natural Resources |
Usda Forest Service |
$12,263,231.34 |
Washington State Checkbook |
| 2024 |
Health |
Planned Parenthood Great Nw |
$12,254,921.14 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Bd Tacoma I, Llc |
$12,252,870.38 |
Washington State Checkbook |
| 2025 |
Commerce |
Spokane Neighborhood Action Prtn |
$12,250,058.11 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Doh Grants |
$12,247,826.29 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
King Co Public Health |
$12,234,507.20 |
Washington State Checkbook |
| 2016 |
Health |
Lifelong Aids Alliance |
$12,227,475.93 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Harborview Medical Center |
$12,223,884.24 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Snohomish County |
$12,220,199.13 |
Washington State Checkbook |
| 2019 |
Transportation |
Seattle Tunnel Partners Jv |
$12,219,398.16 |
Washington State Checkbook |
| 2023 |
Commerce |
Hopesource |
$12,218,947.86 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Douglas County |
$12,218,110.01 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Cascade Behavioral Hospital Llc |
$12,205,419.96 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Maksu, Inc. |
$12,191,550.87 |
Washington State Checkbook |
| 2021 |
Corrections |
South Correctional Entity |
$12,184,837.92 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Snohomish County Division On |
$12,183,951.07 |
Washington State Checkbook |
| 2019 |
Fish And Wildlife |
Us Bank Purchasing Card Program |
$12,183,289.20 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Assisted Residential Services, I |
$12,181,651.31 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Southeast Wa Aging & Long Term |
$12,177,551.25 |
Washington State Checkbook |
| 2025 |
Public Schools |
Spokane International Academy |
$12,176,206.23 |
Washington State Checkbook |
| 2018 |
State Patrol |
Dnr Deposit Acct |
$12,171,885.85 |
Washington State Checkbook |
| 2016 |
Transportation |
Rotschy Inc |
$12,165,880.67 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Advanced Lifeline Services Inc |
$12,159,267.00 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Provail |
$12,156,159.40 |
Washington State Checkbook |
| 2019 |
Children, Youth, And Families |
Snohomish County Human Services |
$12,134,834.68 |
Washington State Checkbook |
| 2023 |
Transportation |
Des Risk Mgmt Division |
$12,130,852.17 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Assisted Residential Services, I |
$12,124,131.61 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Great Rivers Behavioral Health |
$12,123,825.72 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Atg Legal Svcs |
$12,121,895.67 |
Washington State Checkbook |
| 2021 |
Transportation |
Rognlins Inc |
$12,117,428.92 |
Washington State Checkbook |
| 2018 |
Transportation |
Strider Construction Co Inc |
$12,101,199.87 |
Washington State Checkbook |
| 2020 |
Transportation |
Manson Construction Co |
$12,099,978.91 |
Washington State Checkbook |
| 2018 |
Commerce |
King Co Housing & Comm Dev |
$12,096,364.14 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Kitsap Tenant Support Services I |
$12,092,139.41 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Uw-Grant & Contract Accounting |
$12,091,287.04 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Wildwood Healthcare Inc |
$12,085,438.18 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Ascend Network Corp |
$12,084,300.00 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Kitsap Tenant Support Services I |
$12,071,162.60 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Puyallup Tribal Health Authority |
$12,068,703.71 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Community Health Care - Tacoma |
$12,068,558.52 |
Washington State Checkbook |
| 2023 |
Transportation |
Coleman Oil Company |
$12,066,314.72 |
Washington State Checkbook |
| 2020 |
Transportation |
Parametrix Inc |
$12,058,498.33 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
South Snohomish Co Fire & Rescue |
$12,055,017.50 |
Washington State Checkbook |
| 2024 |
Transportation |
Everett Ship Repair Llc |
$12,043,268.84 |
Washington State Checkbook |