| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Natural Resources |
Northwest Helicopters Llc |
$7,027,881.08 |
Washington State Checkbook |
| 2024 |
Transportation |
King Co Dja Superior Ct Clerk |
$7,027,304.45 |
Washington State Checkbook |
| 2022 |
Health |
Health Commons Project |
$7,026,431.11 |
Washington State Checkbook |
| 2025 |
Student Achievement Council |
Esd General Fund Account |
$7,025,896.26 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
King Co Public Health |
$7,023,870.60 |
Washington State Checkbook |
| 2023 |
Transportation |
Siemens Energy Inc |
$7,022,545.00 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Foss Home And Village |
$7,021,281.05 |
Washington State Checkbook |
| 2024 |
Commerce |
Pierce County Human Services |
$7,020,403.54 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Lewis Mason Thurston Counc Govts |
$7,019,747.21 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Providence Health &Amp; Services |
$7,018,979.88 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Emeritus Corporation |
$7,016,967.78 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Quinault Indian Nation |
$7,016,127.11 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Provail |
$7,015,194.14 |
Washington State Checkbook |
| 2019 |
Ecology |
Kitsap County Public Works |
$7,013,655.27 |
Washington State Checkbook |
| 2025 |
Health |
Atg Legal Svcs |
$7,003,511.56 |
Washington State Checkbook |
| 2023 |
Public Schools |
Oakville School District |
$7,001,529.15 |
Washington State Checkbook |
| 2018 |
Transportation |
Banc Of America Merchant Svcs |
$7,001,349.82 |
Washington State Checkbook |
| 2025 |
Corrections |
Ofm Enterprise Systems Fee |
$7,000,564.66 |
Washington State Checkbook |
| 2016 |
Commerce |
Community Action Council Of |
$6,996,559.56 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Yakama Health Center |
$6,995,671.84 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Carahsoft Technology Corporation |
$6,995,372.50 |
Washington State Checkbook |
| 2021 |
Public Schools |
Muckleshoot Indian Tribe |
$6,994,765.00 |
Washington State Checkbook |
| 2025 |
Commerce |
Whatcom County |
$6,991,502.04 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Talbot Rd S I Healthcare Llc |
$6,989,145.55 |
Washington State Checkbook |
| 2020 |
Transportation |
Blastech Enterprises Inc |
$6,987,291.44 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Institute For Family Development |
$6,985,101.96 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Lacey Snf Operations Llc |
$6,983,557.46 |
Washington State Checkbook |
| 2019 |
Transportation |
Clark Co Public Trans Ben Area |
$6,980,114.54 |
Washington State Checkbook |
| 2018 |
Health |
Uw-Grant & Contract Accounting |
$6,979,777.28 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Manor Care Of Tacoma Wa, Associa |
$6,976,353.30 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Talx Corporation |
$6,976,104.89 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Central Pierce Fire & Rescue |
$6,973,530.68 |
Washington State Checkbook |
| 2021 |
Transportation |
King Co Metro |
$6,972,561.00 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Doc Correctional Industries |
$6,967,360.54 |
Washington State Checkbook |
| 2025 |
Commerce |
Equity In Education Coalition |
$6,965,405.41 |
Washington State Checkbook |
| 2025 |
Transportation |
Na Degerstrom Inc |
$6,965,262.22 |
Washington State Checkbook |
| 2025 |
Commerce |
Northwest Immigrant Rights Proj |
$6,963,923.43 |
Washington State Checkbook |
| 2016 |
Early Learning |
Uw-Grant & Contract Accounting |
$6,961,172.79 |
Washington State Checkbook |
| 2018 |
Public Schools |
Mount Vernon City Of |
$6,959,102.67 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Comprehensive Healthcare |
$6,957,461.63 |
Washington State Checkbook |
| 2023 |
Labor And Industries |
Pro Innovation Inc |
$6,953,066.50 |
Washington State Checkbook |
| 2023 |
Transportation |
Vista Title And Escrow Llc |
$6,951,189.75 |
Washington State Checkbook |
| 2023 |
Recreation And Conservation Office |
Clallam County |
$6,950,261.13 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Confederated Tribes Of The Colvi |
$6,947,994.77 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Educational Opp For Chldrn & Fam |
$6,945,927.00 |
Washington State Checkbook |
| 2019 |
Employment Security Department |
Deloitte Consulting Llp |
$6,944,836.38 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
King Co Finance |
$6,944,453.89 |
Washington State Checkbook |
| 2018 |
Public Schools |
Auburn School District 408 |
$6,944,195.06 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Comprehensive Healthcare |
$6,943,147.38 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Uw-Grant & Contract Accounting |
$6,942,158.92 |
Washington State Checkbook |
| 2025 |
Employment Security Department |
Spokane Area Wf Develop Council |
$6,938,477.16 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Martha And Mary Health Services |
$6,936,833.54 |
Washington State Checkbook |
| 2023 |
Commerce |
Seattle City Of Utility Water |
$6,936,013.69 |
Washington State Checkbook |
| 2025 |
Ecology |
Granite Falls City Of |
$6,935,670.88 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Elmview |
$6,935,236.96 |
Washington State Checkbook |
| 2022 |
Transportation |
Shi International Corp |
$6,934,041.45 |
Washington State Checkbook |
| 2025 |
Transportation |
Doolittle Acquisitions Llc |
$6,930,827.08 |
Washington State Checkbook |
| 2017 |
Department Of Commerce |
Port Townsend City Of |
$6,929,766.37 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
People For People |
$6,925,559.01 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Safeway Inc |
$6,924,860.47 |
Washington State Checkbook |
| 2024 |
Corrections |
Des Motor Trans Div |
$6,924,592.78 |
Washington State Checkbook |
| 2020 |
Children, Youth, And Families |
Uw-Grant & Contract Accounting |
$6,921,333.70 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Delta Rehabilitation Center Inc |
$6,917,122.05 |
Washington State Checkbook |
| 2024 |
Civil Legal Aid |
King County Bar Association |
$6,916,537.68 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
John Korsmo Construction Inc |
$6,916,010.93 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Lutheran Community Services Nw |
$6,915,922.03 |
Washington State Checkbook |
| 2025 |
Health |
Harborview Medical Center |
$6,913,434.28 |
Washington State Checkbook |
| 2020 |
Employment Security Department |
Office Of Admin Hearings |
$6,908,789.30 |
Washington State Checkbook |
| 2017 |
Supt Of Public Instruction |
Northshore School District |
$6,907,660.42 |
Washington State Checkbook |
| 2025 |
Ecology |
Bellingham Port Of |
$6,905,418.57 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Northwest Regional Council |
$6,899,957.67 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Md Medical Supplies, Inc. |
$6,894,385.49 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Olympic Area Agency On Aging |
$6,893,997.16 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Unified Residential Care Inc |
$6,893,718.34 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
C.D.M. Services |
$6,893,559.28 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Legacy Salmon Creek Hospital |
$6,888,692.63 |
Washington State Checkbook |
| 2025 |
Transportation |
Island Transit |
$6,887,227.00 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Southwest 2Nd Street Healthcare |
$6,884,417.27 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Seattle Operations Llc |
$6,883,083.04 |
Washington State Checkbook |
| 2021 |
Commerce |
Community Action Council Of Lewi |
$6,881,952.77 |
Washington State Checkbook |
| 2022 |
Transportation |
Garco Construction Inc |
$6,877,115.03 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Public Hospital District No 1 |
$6,875,015.00 |
Washington State Checkbook |
| 2018 |
Health |
Spokane Regional Health Dist |
$6,871,606.53 |
Washington State Checkbook |
| 2019 |
Transportation |
Richland City Of |
$6,871,329.50 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Hope Human Services Llc |
$6,871,102.97 |
Washington State Checkbook |
| 2022 |
Employment Security Department |
Shi International Corp |
$6,870,334.34 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Avalon Care Center - Federal Way |
$6,870,082.97 |
Washington State Checkbook |
| 2022 |
Ecology |
Morton City Of |
$6,868,962.54 |
Washington State Checkbook |
| 2025 |
Financial Management |
Carahsoft Technology Corporation |
$6,867,752.98 |
Washington State Checkbook |
| 2016 |
State Patrol |
Us Bank Purchasing Card Program |
$6,866,276.56 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Sunnyside Community Hospital |
$6,863,418.03 |
Washington State Checkbook |
| 2025 |
Enterprise Services |
Wex Bank |
$6,862,027.01 |
Washington State Checkbook |
| 2024 |
Recreation And Conservation Office |
I & S Holdings Llc |
$6,861,488.72 |
Washington State Checkbook |
| 2024 |
Commerce |
Yakima County Community Services |
$6,858,525.98 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Great Rivers Behavioral Health |
$6,858,089.36 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
State Board For Community & Tech |
$6,856,676.05 |
Washington State Checkbook |
| 2023 |
Administrative Office Of The Courts |
Resolution Washington |
$6,856,395.57 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Avalon Care Center - Kent Llc |
$6,855,800.81 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Hercules Painting Company Inc |
$6,854,848.43 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Milliman Inc |
$6,854,786.41 |
Washington State Checkbook |