| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Civil Legal Aid |
Northwest Justice Project |
$24,062,257.65 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Evergreen Washington Healthcare |
$24,031,287.35 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Ofm Core Financials |
$24,006,728.64 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
North Sound Behavioral Hlth Org |
$24,006,322.41 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Lakeside Industries Inc |
$24,002,521.50 |
Washington State Checkbook |
| 2024 |
Public Schools |
Impact Public Schools |
$23,990,108.65 |
Washington State Checkbook |
| 2021 |
Transportation |
Jr Abbott Construction Inc |
$23,968,415.87 |
Washington State Checkbook |
| 2022 |
Health |
Atlas Genomics Llc |
$23,967,013.24 |
Washington State Checkbook |
| 2017 |
Department Of Health |
King Co Public Health |
$23,955,375.77 |
Washington State Checkbook |
| 2016 |
Transportation |
Hdr Engineering Inc |
$23,954,781.14 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Family Impact Network |
$23,950,755.33 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Community Health Care Tacoma |
$23,910,921.09 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Addus Healthcare Inc. |
$23,901,689.57 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Evergreen Washington Healthcare |
$23,898,050.34 |
Washington State Checkbook |
| 2023 |
Health |
Public Health Service Bureau |
$23,897,128.15 |
Washington State Checkbook |
| 2019 |
Transportation |
Max J Kuney Company |
$23,835,813.13 |
Washington State Checkbook |
| 2022 |
Enterprise Services |
Alliant Insurance Services Inc |
$23,816,055.19 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
King County |
$23,739,316.86 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Spokane Co Community Svc |
$23,729,978.15 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Transitional Care Snf Operations |
$23,728,261.70 |
Washington State Checkbook |
| 2018 |
Financial Management |
Rcfb Capital Projects |
$23,695,638.93 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Greater Columbia Behavioral Hlth |
$23,692,622.67 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Greater Columbia Behavioral Hlth |
$23,673,023.02 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Mid Mountain Contractors Inc |
$23,672,196.77 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
United Behavioral Health Inc |
$23,651,694.81 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Walgreen Co |
$23,651,042.81 |
Washington State Checkbook |
| 2024 |
Transportation |
Midmountain Contractors Inc |
$23,635,856.17 |
Washington State Checkbook |
| 2021 |
Children, Youth, And Families |
Snohomish County Human Services |
$23,615,244.34 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Paratransit Services |
$23,545,753.23 |
Washington State Checkbook |
| 2019 |
Transportation |
Acme Concrete Paving Inc |
$23,536,940.06 |
Washington State Checkbook |
| 2016 |
Transportation |
Flatiron Constructors Inc |
$23,499,562.22 |
Washington State Checkbook |
| 2020 |
Transportation |
Rognlins Inc |
$23,477,223.53 |
Washington State Checkbook |
| 2019 |
Transportation |
Hdr Engineering Inc |
$23,466,567.75 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Paratransit Services |
$23,448,761.25 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Franciscan Health System |
$23,438,190.87 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Providence Health And Services |
$23,375,322.62 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Assoc Of University Physicians |
$23,368,161.11 |
Washington State Checkbook |
| 2021 |
Children, Youth, And Families |
King Co Finance |
$23,362,025.98 |
Washington State Checkbook |
| 2023 |
Health |
Tacoma Pierce County Health Dept |
$23,360,675.66 |
Washington State Checkbook |
| 2020 |
Children, Youth, And Families |
Dshs Fso Interagency |
$23,343,051.59 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Community Living |
$23,290,224.45 |
Washington State Checkbook |
| 2024 |
Transportation |
Seattle City Of |
$23,269,209.64 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
King County Public Hospital Dist |
$23,267,123.86 |
Washington State Checkbook |
| 2025 |
Fish And Wildlife |
Us Bank Purchasing Card Program |
$23,253,284.05 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Public Hospital Dist No 1 Skagit |
$23,246,321.06 |
Washington State Checkbook |
| 2016 |
Public Schools |
Spokane Public School Dist 81 |
$23,241,926.26 |
Washington State Checkbook |
| 2019 |
Corrections |
Cardinal Health 130 Llc |
$23,207,731.09 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Consolidated Resources Health Ca |
$23,190,384.53 |
Washington State Checkbook |
| 2022 |
Health |
Ospi General Fund 001 |
$23,132,704.59 |
Washington State Checkbook |
| 2022 |
Transportation |
Hamilton Construction Company |
$23,130,553.32 |
Washington State Checkbook |
| 2022 |
Commerce |
Spokane City Of Human Srvcs |
$23,119,737.50 |
Washington State Checkbook |
| 2025 |
Recreation And Conservation Office |
Trust For Public Land The |
$23,105,648.35 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Aging & Long Term Care Of |
$23,095,984.54 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Douglas County |
$23,084,016.76 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Paratransit Services |
$23,072,745.42 |
Washington State Checkbook |
| 2020 |
Transportation |
Rainier Title Llc |
$23,052,746.51 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Paratransit Services |
$23,045,490.93 |
Washington State Checkbook |
| 2019 |
Transportation |
Rainier Title Llc |
$23,022,601.31 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Des Risk Mgmt Self Insur Claim |
$23,016,269.00 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Des Risk Mgmt Self Insur Claim |
$23,016,269.00 |
Washington State Checkbook |
| 2019 |
Transportation |
Central Washington Asphalt Inc |
$23,013,940.10 |
Washington State Checkbook |
| 2018 |
Corrections |
Cardinal Health 130 Llc |
$22,985,121.67 |
Washington State Checkbook |
| 2018 |
Health |
King Co Public Health |
$22,965,795.86 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Orsini Pharmaceutical Services, |
$22,921,493.56 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Sister's Of Providence - Provide |
$22,903,233.68 |
Washington State Checkbook |
| 2021 |
Commerce |
Benton County Human Services |
$22,880,736.05 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Aya Healthcare Inc |
$22,878,003.04 |
Washington State Checkbook |
| 2021 |
Corrections |
Cardinal Health 130 Llc |
$22,846,144.09 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Bhc Fairfax Hospital Inc |
$22,842,630.98 |
Washington State Checkbook |
| 2024 |
Transportation |
Interwest Construction Inc |
$22,803,156.06 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
King County Public Hospital Dist |
$22,775,458.18 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Peacehealth |
$22,765,127.83 |
Washington State Checkbook |
| 2022 |
Commerce |
Thurston County |
$22,758,632.14 |
Washington State Checkbook |
| 2017 |
Department Of Early Learning (Del) |
Washington State Child Care Res |
$22,732,784.12 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Telecare Mental Health Services |
$22,718,403.13 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Public Hospital District 1 Skag |
$22,685,497.83 |
Washington State Checkbook |
| 2016 |
Transportation |
Central Washington Asphalt Inc |
$22,648,477.60 |
Washington State Checkbook |
| 2018 |
Early Learning |
Washington State Child Care Res |
$22,646,297.18 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Spokane Regional Health Dist |
$22,556,106.42 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
King County Public Hospital Dist |
$22,535,846.82 |
Washington State Checkbook |
| 2022 |
Commerce |
Opportunity Council |
$22,530,476.96 |
Washington State Checkbook |
| 2019 |
Transportation |
Hamilton Construction Company |
$22,501,733.33 |
Washington State Checkbook |
| 2020 |
Enterprise Services |
Pitney Bowes Bank |
$22,500,000.00 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Moda Health Plan Inc |
$22,490,459.51 |
Washington State Checkbook |
| 2017 |
Department Of Labor And Industries |
Atg Legal Svcs |
$22,432,319.89 |
Washington State Checkbook |
| 2025 |
Corrections |
American Behavioral Health Sys |
$22,421,219.19 |
Washington State Checkbook |
| 2025 |
Public Schools |
Impact Public Schools |
$22,407,771.45 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Pierce County Human Services |
$22,394,559.77 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Sl Start And Associates Llc |
$22,386,877.16 |
Washington State Checkbook |
| 2025 |
Washington Technology Solutions |
Fyi Properties |
$22,381,351.70 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Family Impact Network |
$22,355,375.42 |
Washington State Checkbook |
| 2022 |
Health |
Snohomish Health District |
$22,351,422.74 |
Washington State Checkbook |
| 2018 |
Transportation |
Hdr Engineering Inc |
$22,298,343.13 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Greater Columbia Behavioral Hlth |
$22,292,399.18 |
Washington State Checkbook |
| 2021 |
Consolidated Technology Services |
Insight Public Sector Inc |
$22,291,053.89 |
Washington State Checkbook |
| 2017 |
Department Of Labor And Industries |
Us Healthworks Medical Grp Wa |
$22,274,731.25 |
Washington State Checkbook |
| 2024 |
Commerce |
Clark County Community Services |
$22,267,532.76 |
Washington State Checkbook |
| 2025 |
Transportation |
Des Risk Mgmt Self Insur Claim |
$22,247,584.86 |
Washington State Checkbook |
| 2024 |
Transportation |
Des Risk Mgmt Self Insur Claim |
$22,247,174.04 |
Washington State Checkbook |
| 2017 |
Department Of Ecology |
Spokane City Of |
$22,243,683.53 |
Washington State Checkbook |