| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2019 |
Health Care Authority |
Derek C Thompson Dmd Patrick Fer |
$5,500,074.34 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Douglas Grant Lincoln Okanogan C |
$5,497,522.82 |
Washington State Checkbook |
| 2023 |
Commerce |
Hopelink |
$5,497,083.55 |
Washington State Checkbook |
| 2019 |
Corrections |
Atg Legal Svcs |
$5,494,659.35 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Puget Sound Healthcare - Olympia |
$5,492,746.47 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Pathways Of Washington, Llc |
$5,491,263.47 |
Washington State Checkbook |
| 2021 |
Commerce |
Mason County Treasurer |
$5,490,861.24 |
Washington State Checkbook |
| 2022 |
Natural Resources |
Dor Excise Tax |
$5,488,172.90 |
Washington State Checkbook |
| 2024 |
Corrections |
Des Technology Leasing |
$5,485,997.63 |
Washington State Checkbook |
| 2023 |
Transportation |
Klb Construction Inc |
$5,485,319.11 |
Washington State Checkbook |
| 2019 |
Children, Youth, And Families |
Catholic Community Services Sw |
$5,485,233.70 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Excel Supported Living Inc |
$5,480,590.03 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Providence Health And Services - |
$5,480,078.96 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Lake Washington Healthcare, Inc |
$5,479,458.97 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Yakima Neighborhood Health Serv |
$5,479,183.31 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
M2 Anesthesia Pllc |
$5,478,595.75 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Providence Health & Services - W |
$5,476,496.07 |
Washington State Checkbook |
| 2022 |
State Patrol |
Dot Transp Equ Acct 410 |
$5,476,174.36 |
Washington State Checkbook |
| 2025 |
Commerce |
Horizon Housing Alliance |
$5,474,285.68 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Adams County Public Hospital Dis |
$5,472,658.75 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Skagit Valley Operations Llc |
$5,470,744.12 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
The Arc Of Spokane |
$5,470,619.39 |
Washington State Checkbook |
| 2018 |
Transportation |
Kpff Inc |
$5,468,889.44 |
Washington State Checkbook |
| 2024 |
Commerce |
Pgsha Tci Llp |
$5,468,446.05 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Gig Harbor Operations Llc |
$5,466,633.23 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Alliance For South Sound Health |
$5,465,610.93 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Valley Terrace Operations Llc |
$5,465,277.95 |
Washington State Checkbook |
| 2024 |
Commerce |
Skagit County Public Health & |
$5,463,775.28 |
Washington State Checkbook |
| 2018 |
Corrections |
Atg Legal Svcs |
$5,461,290.36 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Another Option Inc |
$5,460,270.83 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Legacy Salmon Creek Hospital |
$5,458,993.44 |
Washington State Checkbook |
| 2025 |
Public Schools |
Auburn School District 408 |
$5,458,855.40 |
Washington State Checkbook |
| 2022 |
Corrections |
Health Advocates Network Inc |
$5,458,693.45 |
Washington State Checkbook |
| 2021 |
Employment Security Department |
Deloitte Consulting Llp |
$5,457,852.06 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Confederated Tribes Of The Colvi |
$5,457,727.52 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Avalon Care Center - Spokane, Ll |
$5,457,302.86 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Soundview Medical Supply |
$5,456,765.93 |
Washington State Checkbook |
| 2024 |
Commerce |
Connections Health Solutions Llc |
$5,454,929.12 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Thurston County |
$5,453,679.38 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Des Office Facilities |
$5,452,464.47 |
Washington State Checkbook |
| 2022 |
Transportation |
Jr Abbott Construction Inc |
$5,450,452.40 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Avalon Care Center - Spokane, Ll |
$5,449,265.18 |
Washington State Checkbook |
| 2025 |
Natural Resources |
Nv5 Geospatial Inc |
$5,447,336.79 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Toillion Pediatric Dentistry |
$5,447,190.73 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Snohomish Co Fd 7 |
$5,447,071.72 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Voices Of Tomorrow |
$5,446,096.19 |
Washington State Checkbook |
| 2022 |
Student Achievement Council |
Uw-Student Fiscal Services |
$5,445,811.78 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Pierce County Fire District 6 |
$5,445,683.88 |
Washington State Checkbook |
| 2019 |
Ecology |
Valley View Sewer District |
$5,445,206.97 |
Washington State Checkbook |
| 2024 |
Health |
Yakima Health District |
$5,444,342.46 |
Washington State Checkbook |
| 2021 |
Commerce |
Seattle City Of Util Solid Wst |
$5,443,603.62 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Integrated Living Services |
$5,442,522.02 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Allen Creek Healthcare Inc |
$5,441,845.09 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Franklin Hills Health - Spokane, |
$5,441,633.67 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Thurston County |
$5,439,386.53 |
Washington State Checkbook |
| 2025 |
Commerce |
Clallam County |
$5,438,794.65 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Wal-Mart Stores Inc |
$5,438,266.16 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Educational Service Dist 105 |
$5,436,242.86 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Bremerton Health, Llc |
$5,432,195.98 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Des Consolidated Mail Services |
$5,431,421.56 |
Washington State Checkbook |
| 2025 |
Health |
Us Bank Purchasing Card Program |
$5,428,966.92 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Family Impact Network |
$5,428,531.55 |
Washington State Checkbook |
| 2025 |
Corrections |
Locuntenens Holdings Llc |
$5,428,073.88 |
Washington State Checkbook |
| 2016 |
Transportation |
Orion Marine Contractors Inc |
$5,427,954.75 |
Washington State Checkbook |
| 2023 |
Ecology |
Us Bank Purchasing Card Program |
$5,426,987.29 |
Washington State Checkbook |
| 2023 |
Transportation |
Salt Distributors Inc |
$5,426,938.22 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Northwest Kidney Centers |
$5,426,603.55 |
Washington State Checkbook |
| 2021 |
Commerce |
Pacific Hospital Preservation |
$5,426,337.66 |
Washington State Checkbook |
| 2025 |
Corrections |
Apex Mechanical Llc |
$5,423,895.86 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Parkside Operations Llc |
$5,423,638.49 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
1015 North Garrison, Llc |
$5,423,388.70 |
Washington State Checkbook |
| 2018 |
Enterprise Services |
Ndc Housing & Economic Dev Corp |
$5,421,893.51 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Grand Park Llc |
$5,421,799.37 |
Washington State Checkbook |
| 2018 |
Transportation |
Tapani Inc |
$5,420,780.66 |
Washington State Checkbook |
| 2023 |
Public Schools |
Regents Of The University Of Cal |
$5,419,733.60 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Milliman Inc |
$5,417,463.50 |
Washington State Checkbook |
| 2017 |
Department Of Commerce |
Spokane City Of Sewer |
$5,415,120.89 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Puget Sound Healthcare - Olympia |
$5,413,825.64 |
Washington State Checkbook |
| 2022 |
Children, Youth, And Families |
Olive Crest |
$5,412,938.87 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Care Center (Sullivan Park) Inc |
$5,412,480.04 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Providence Health And Services - |
$5,411,049.54 |
Washington State Checkbook |
| 2025 |
Transportation |
Mark Rite Lines Equipment Compan |
$5,410,692.64 |
Washington State Checkbook |
| 2024 |
Commerce |
Lewis County Auditor |
$5,409,634.66 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Rcch Trios Health, Llc |
$5,408,941.71 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Battleground Of Cascadia, Llc |
$5,408,906.26 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Sunbridge Nursing Home, Llc |
$5,407,970.42 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Belmont Terrace Inc |
$5,407,685.04 |
Washington State Checkbook |
| 2021 |
Children, Youth, And Families |
Uw-Invoice Receivables |
$5,407,438.61 |
Washington State Checkbook |
| 2018 |
Public Schools |
College Success Foundation |
$5,406,826.03 |
Washington State Checkbook |
| 2022 |
Children, Youth, And Families |
Little Company Inc The |
$5,406,740.32 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Confederated Tribes Colville Res |
$5,406,701.52 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Northwest Hospital |
$5,405,378.39 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Public Hosp Dist No 1 Of King Co |
$5,402,577.00 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Total Living Concept |
$5,402,382.09 |
Washington State Checkbook |
| 2024 |
Enterprise Services |
Puget Sound Energy Inc |
$5,401,698.29 |
Washington State Checkbook |
| 2023 |
Public Schools |
Washington Education Assn |
$5,400,041.07 |
Washington State Checkbook |
| 2025 |
Transportation |
Cpm Development Corp |
$5,398,833.89 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Public Hosp Dist No 1 Of King Co |
$5,398,173.00 |
Washington State Checkbook |
| 2017 |
Department Of Labor And Industries |
United Backcare Ps |
$5,397,598.60 |
Washington State Checkbook |
| 2019 |
Transportation Improvement Board |
Spokane Valley City Of |
$5,397,468.70 |
Washington State Checkbook |