| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2019 |
Health |
Us Bank Purchasing Card Program |
$9,724,329.96 |
Washington State Checkbook |
| 2024 |
Corrections |
Cts Cts Allocations |
$9,722,163.23 |
Washington State Checkbook |
| 2023 |
Military Department |
Snohomish County Pud 1 |
$9,716,321.08 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Dor Excise Tax |
$9,713,875.13 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
People For People |
$9,709,500.16 |
Washington State Checkbook |
| 2023 |
Commerce |
Grays Harbor Co Health Dept |
$9,708,033.84 |
Washington State Checkbook |
| 2022 |
Public Schools |
Olympia School District 111 |
$9,706,919.13 |
Washington State Checkbook |
| 2017 |
Department Of Health |
Glaxosmithkline Llc |
$9,705,907.85 |
Washington State Checkbook |
| 2022 |
Health |
Planned Parenthood Great Nw |
$9,699,167.42 |
Washington State Checkbook |
| 2022 |
Transportation |
Aecon Pacific Northwest Inc |
$9,697,647.70 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Hca Admin Accounting |
$9,694,897.60 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
International Business Machines |
$9,694,436.74 |
Washington State Checkbook |
| 2022 |
Commerce |
Downtown Emergency Service Ctr |
$9,694,209.22 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
The Arc - King County |
$9,690,192.04 |
Washington State Checkbook |
| 2021 |
Transportation Improvement Board |
Bellevue City Of-Transportation |
$9,686,164.90 |
Washington State Checkbook |
| 2021 |
Health |
Everly Well Inc |
$9,684,726.17 |
Washington State Checkbook |
| 2024 |
Transportation |
Contrack Watts Inc |
$9,684,291.76 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Seattle Tunnel Partners Jv Ret |
$9,681,905.28 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Assisted Residential Services, I |
$9,677,980.34 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Squaxin Island Health Clinic |
$9,677,859.37 |
Washington State Checkbook |
| 2021 |
Commerce |
Vancouver City Of |
$9,670,838.69 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Spokane Housing Authority |
$9,666,451.20 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Cardinal Health 411 Inc |
$9,664,662.65 |
Washington State Checkbook |
| 2023 |
Commerce |
Grant County Board Of Commission |
$9,663,798.94 |
Washington State Checkbook |
| 2021 |
Transportation |
Bnsf Railway Company |
$9,662,996.19 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Bioplus Specialty Pharmacy Svs |
$9,659,909.94 |
Washington State Checkbook |
| 2024 |
Transportation |
Poe Asphalt Paving Inc |
$9,659,282.08 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
King Co Finance Division |
$9,659,026.17 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
International Community Health S |
$9,658,576.01 |
Washington State Checkbook |
| 2016 |
Health |
Glaxosmithkline Llc |
$9,656,314.10 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
The Tulalip Tribes Of Washington |
$9,651,367.93 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Provail |
$9,649,767.95 |
Washington State Checkbook |
| 2025 |
Commerce |
Clark County Public Utilities |
$9,646,682.00 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Rehabco, Inc. |
$9,638,739.88 |
Washington State Checkbook |
| 2024 |
Transportation |
Johansen Construction Co Llc |
$9,636,530.97 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Puget Sound Regional Services, I |
$9,634,115.15 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Pierce County Budget & Finance |
$9,632,106.15 |
Washington State Checkbook |
| 2025 |
Transportation |
Interwest Construction Inc |
$9,631,946.46 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Harrison Medical Center |
$9,628,515.88 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Delta Dental Of Washington |
$9,625,936.13 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Kitsap Tenant Support Services I |
$9,621,700.71 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
University Of Washington |
$9,620,942.27 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Ofm Enterprise Systems Fee |
$9,619,556.60 |
Washington State Checkbook |
| 2024 |
Transportation |
Whatcom Transportation Authority |
$9,618,340.03 |
Washington State Checkbook |
| 2025 |
Health |
University Of Washington |
$9,614,233.27 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Community In Motion |
$9,613,605.57 |
Washington State Checkbook |
| 2021 |
Commerce |
Tacoma City Of |
$9,613,000.00 |
Washington State Checkbook |
| 2017 |
Department Of Labor And Industries |
Strategic Consulting Svc Inc |
$9,612,366.65 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Pierce County |
$9,609,620.68 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Spokane County |
$9,608,591.08 |
Washington State Checkbook |
| 2016 |
Health |
Public Health Service Bureau |
$9,606,953.23 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Amerisourcebergen Drug Corp |
$9,596,137.56 |
Washington State Checkbook |
| 2020 |
Transportation |
Liberty Maintenance Inc |
$9,596,088.85 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Virginia Mason Medical Center |
$9,589,589.91 |
Washington State Checkbook |
| 2025 |
Commerce |
Spokane County |
$9,587,942.13 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Grant County Public Hospital Dis |
$9,582,987.79 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Oregon Health Sciences Universit |
$9,582,919.58 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Another Option Inc |
$9,582,729.20 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Soundview Medical Supply |
$9,581,983.61 |
Washington State Checkbook |
| 2023 |
Transportation |
Keybank National Association |
$9,581,913.67 |
Washington State Checkbook |
| 2021 |
Health |
Uw-Grant & Contract Accounting |
$9,579,724.30 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Seattle Operations Llc |
$9,579,333.98 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Providence Health And Services - |
$9,579,181.38 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Ofm Enterprise Systems Fee |
$9,577,610.05 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Living In Fullfilling Environmen |
$9,572,250.59 |
Washington State Checkbook |
| 2023 |
Health |
Thurston County |
$9,571,163.64 |
Washington State Checkbook |
| 2018 |
Revenue |
Fast Enterprises Llc |
$9,570,234.05 |
Washington State Checkbook |
| 2018 |
Ecology |
King Co Natural Res & Parks |
$9,565,943.94 |
Washington State Checkbook |
| 2020 |
Transportation |
Harris Corporation |
$9,561,867.71 |
Washington State Checkbook |
| 2016 |
Fish And Wildlife |
Us Bank Purchasing Card Program |
$9,554,457.13 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Seattle Snf Operations, Llc |
$9,551,208.82 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Elite Home Care |
$9,547,368.64 |
Washington State Checkbook |
| 2021 |
Health |
Spokane Regional Health Dist |
$9,547,193.48 |
Washington State Checkbook |
| 2018 |
Transportation |
Cpm Development Corporation |
$9,546,813.25 |
Washington State Checkbook |
| 2023 |
Transportation |
Bud Clary Chevrolet Cadillac Inc |
$9,546,543.71 |
Washington State Checkbook |
| 2016 |
Health |
Sanofi Pasteur Inc |
$9,545,716.21 |
Washington State Checkbook |
| 2022 |
Public Schools |
Chief Leschi Schools |
$9,545,015.28 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Wa State Univ |
$9,542,129.09 |
Washington State Checkbook |
| 2025 |
Public Schools |
College Success Foundation |
$9,541,322.11 |
Washington State Checkbook |
| 2022 |
Ecology |
Pasco City Of |
$9,541,136.18 |
Washington State Checkbook |
| 2019 |
Transportation |
Parametrix Inc |
$9,540,682.78 |
Washington State Checkbook |
| 2022 |
Children, Youth, And Families |
Wash St Comm Colleges Dist 17 |
$9,536,147.93 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Service Empl Intl Union 925 |
$9,533,235.60 |
Washington State Checkbook |
| 2024 |
Commerce |
Housing Authority Of Vancouver |
$9,530,446.03 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Providence Health & Services - W |
$9,527,174.38 |
Washington State Checkbook |
| 2019 |
Transportation |
Royal Bridge Inc |
$9,523,589.74 |
Washington State Checkbook |
| 2025 |
Washington Technology Solutions |
Shi International Corp |
$9,523,045.32 |
Washington State Checkbook |
| 2021 |
Public Schools |
Toledo School District 237 |
$9,522,172.51 |
Washington State Checkbook |
| 2023 |
Commerce |
Opportunities Indust Ctr Of Wash |
$9,520,900.34 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Moses Lake Community Health Cent |
$9,516,273.61 |
Washington State Checkbook |
| 2016 |
Transportation |
Pcl Civil Constructors Inc |
$9,506,424.12 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Another Option Inc |
$9,505,079.78 |
Washington State Checkbook |
| 2021 |
Health |
Benton Franklin Health Dist |
$9,500,043.45 |
Washington State Checkbook |
| 2022 |
Health |
Shi International Corp |
$9,498,874.00 |
Washington State Checkbook |
| 2024 |
Commerce |
Equity In Education Coalition |
$9,487,063.55 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Wcc Operator Llc |
$9,484,676.59 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Caring Places Management Llc |
$9,484,413.02 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Columbia Basin Health Associatio |
$9,482,183.11 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Human Services Council |
$9,479,035.91 |
Washington State Checkbook |
| 2017 |
State Parks And Recreation Comm |
Us Bank Purchasing Card Program |
$9,478,320.29 |
Washington State Checkbook |