| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Social And Health Services |
Legal Foundation Of Washington |
$62,475,000.00 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Washington Health Benefit Exchng |
$62,378,783.63 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Alpha Supported Living Services |
$62,375,058.68 |
Washington State Checkbook |
| 2025 |
Military Department |
Wash State Dept Of Health |
$62,263,527.27 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Spokane County |
$62,257,519.09 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Dshs Aging Adult Sv Admin Hq |
$61,783,645.40 |
Washington State Checkbook |
| 2024 |
Commerce |
Wash St Housing Financecomm |
$61,701,585.12 |
Washington State Checkbook |
| 2023 |
Transportation |
Hntb Corp |
$61,616,803.99 |
Washington State Checkbook |
| 2023 |
Commerce |
Snohomish County Human Services |
$61,558,868.62 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Atg Legal Svcs |
$61,186,641.29 |
Washington State Checkbook |
| 2021 |
Enterprise Services |
Jay Franco And Sons Inc |
$61,174,958.00 |
Washington State Checkbook |
| 2018 |
Transportation |
Hoffman-Pacific A Jv |
$61,129,423.67 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Ambitions Of Washington |
$61,000,062.42 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Great Rivers Behavioral Health O |
$60,989,225.59 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Washington Health Benefit Exchng |
$60,933,354.37 |
Washington State Checkbook |
| 2024 |
Commerce |
King Co Housing & Comm Dev |
$60,899,230.44 |
Washington State Checkbook |
| 2022 |
Public Schools |
Federal Way Public Schools |
$60,781,342.17 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Kuehg Corp |
$60,685,653.13 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
First Choice In-Home Care, Inc. |
$60,647,825.04 |
Washington State Checkbook |
| 2021 |
Public Schools |
Kennewick School District 17 |
$60,277,787.17 |
Washington State Checkbook |
| 2024 |
Children, Youth, And Families |
Atg Legal Svcs |
$60,235,246.41 |
Washington State Checkbook |
| 2020 |
Transportation |
Seattle City Of Dept Of Transp |
$60,110,010.21 |
Washington State Checkbook |
| 2023 |
Transportation |
Rainier Inc |
$59,667,675.92 |
Washington State Checkbook |
| 2019 |
Transportation |
Us Bank Purchasing Card Program |
$59,539,881.41 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Swedish Health Services |
$59,445,236.63 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Korean Womens Association |
$59,029,200.66 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Washington Health Benefit Exchng |
$58,802,620.90 |
Washington State Checkbook |
| 2020 |
Corrections |
Doc Correctional Industries |
$58,541,249.34 |
Washington State Checkbook |
| 2024 |
Transportation |
Max J Kuney Company |
$58,511,098.17 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Multicare Health System |
$58,490,811.17 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Coordinated Care Of Wa Inc |
$58,193,071.00 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Coordinated Care Of Wa Inc |
$57,914,224.27 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
City Of Seattle |
$57,866,872.80 |
Washington State Checkbook |
| 2023 |
Transportation |
Wsp Usa Inc |
$57,763,494.40 |
Washington State Checkbook |
| 2016 |
Transportation |
Flatiron West Inc |
$57,051,542.16 |
Washington State Checkbook |
| 2024 |
Transportation |
Ceccanti Inc |
$56,997,006.48 |
Washington State Checkbook |
| 2025 |
Transportation |
Ceccanti Inc |
$56,918,130.67 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Geras Llc |
$56,899,049.51 |
Washington State Checkbook |
| 2022 |
Transportation |
Flatiron West Inc The Lane Const |
$56,893,944.61 |
Washington State Checkbook |
| 2022 |
Transportation |
Us Bank Purchasing Card Program |
$56,880,143.08 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Hopelink |
$56,541,199.20 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Korean Womens Association |
$56,497,988.15 |
Washington State Checkbook |
| 2022 |
Health |
Tacoma Pierce County Health Dept |
$56,416,121.76 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
King Co Finance |
$56,270,116.88 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Great Rivers Behavioral Health O |
$56,250,387.03 |
Washington State Checkbook |
| 2020 |
Transportation |
Granite Construction Company |
$55,862,298.23 |
Washington State Checkbook |
| 2025 |
Military Department |
Franciscan Health System |
$55,727,558.78 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Washington Health Benefit Exchng |
$55,677,020.14 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Swedish Health Services |
$55,534,983.98 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Alpha Supported Living Services |
$55,478,673.26 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Dshs Aging Adult Sv Admin Hq |
$55,461,327.75 |
Washington State Checkbook |
| 2016 |
Ecology |
Pierce County Public Works |
$55,397,897.99 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Regence Blueshield |
$55,274,463.47 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Multicare Health System |
$54,800,332.99 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Ambitions Of Washington |
$54,544,300.44 |
Washington State Checkbook |
| 2020 |
Public Schools |
Puyallup School Dist 3 |
$54,434,663.40 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Puget Sound Educ Svc Dist 121 |
$54,431,804.24 |
Washington State Checkbook |
| 2021 |
Corrections |
Doc Correctional Industries |
$54,370,308.75 |
Washington State Checkbook |
| 2025 |
Recreation And Conservation Office |
Dfw General Account |
$54,337,135.06 |
Washington State Checkbook |
| 2024 |
Transportation |
Rainier Inc |
$54,232,328.11 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Beacon Health Options Inc |
$54,231,687.59 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Korean Womens Association |
$54,130,004.23 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Seattle Childrens Hospital |
$53,848,410.37 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Aacres Wa Llc |
$53,603,748.05 |
Washington State Checkbook |
| 2024 |
Transportation |
Central Washington Asphalt Inc |
$53,490,939.28 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Catholic Community Services Of W |
$53,483,224.36 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Dungarvin Washington Supported L |
$53,376,713.03 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
King Co Finance |
$53,302,685.07 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Atg Legal Svcs |
$53,257,673.54 |
Washington State Checkbook |
| 2021 |
Commerce |
King Co Housing & Comm Dev |
$53,120,784.50 |
Washington State Checkbook |
| 2019 |
Corrections |
Doc Correctional Industries |
$53,081,073.40 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Sister's Of Providence - Provide |
$52,905,421.11 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Great Rivers Behavioral Health O |
$52,895,925.16 |
Washington State Checkbook |
| 2018 |
Transportation |
Us Bank Purchasing Card Program |
$52,894,708.95 |
Washington State Checkbook |
| 2023 |
Transportation |
Flatiron West Inc The Lane Const |
$52,769,179.84 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Kyndryl Inc |
$52,747,529.78 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
King County |
$52,734,264.22 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Us Bank Purchasing Card Program |
$52,686,000.42 |
Washington State Checkbook |
| 2018 |
Transportation |
Granite Construction Company |
$52,517,677.30 |
Washington State Checkbook |
| 2022 |
Transportation |
Hoffman-Pacific A Jv |
$52,227,593.01 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Regence Blueshield |
$52,109,404.03 |
Washington State Checkbook |
| 2025 |
Transportation |
Hntb Corp |
$52,062,512.24 |
Washington State Checkbook |
| 2018 |
Transportation |
Seattle Tunnel Partners Jv |
$51,914,915.62 |
Washington State Checkbook |
| 2024 |
Health |
Merck Sharp And Dohme Corp |
$51,828,081.71 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Sea-Mar Community Health Center |
$51,634,804.37 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Swedish Health Services |
$51,535,231.87 |
Washington State Checkbook |
| 2020 |
Children, Youth, And Families |
Dshs Economic Svs Hq |
$51,396,779.47 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Alpha Supported Living Services |
$51,122,447.76 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Stillaguamish Tribe Of Indians |
$50,967,850.49 |
Washington State Checkbook |
| 2018 |
Corrections |
Doc Correctional Industries |
$50,895,275.17 |
Washington State Checkbook |
| 2023 |
Transportation |
Scarsella Bros Inc |
$50,824,625.18 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Sea-Mar Community Health Center |
$50,804,496.38 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Seattle Childrens Hospital |
$50,748,083.98 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Yakima Valley Farm Workers Clini |
$50,633,813.97 |
Washington State Checkbook |
| 2017 |
Department Of Corrections |
Doc Correctional Industries |
$50,428,678.78 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Coordinated Care Of Wa Inc |
$50,214,153.95 |
Washington State Checkbook |
| 2023 |
Military Department |
King Co Roads Division |
$50,073,410.66 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Dungarvin Washington Supported L |
$50,067,928.36 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Catholic Community Services Of W |
$50,057,568.13 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Stillaguamish Tribe Of Indians |
$49,956,531.72 |
Washington State Checkbook |