| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
Washington State Checkbook |
Wsp General Fund |
$11,748,926.54 |
Washington State Checkbook |
| 2023 |
Commerce |
Chelan-Douglas Comm Action Cncl |
$11,745,535.09 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Lake Stevens School Dist #4 |
$11,738,097.74 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Cowlitz Indian Tribe |
$11,734,753.01 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Rehabco, Inc. |
$11,732,184.47 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Milliman Inc |
$11,730,174.96 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
National Railroad Passenger Corp |
$11,726,976.84 |
Washington State Checkbook |
| 2023 |
Public Schools |
Yelm Community Schools |
$11,717,276.40 |
Washington State Checkbook |
| 2023 |
Health |
Skagit County Pud No 1 |
$11,700,000.00 |
Washington State Checkbook |
| 2023 |
Transportation |
Tucci & Sons Inc |
$11,698,717.73 |
Washington State Checkbook |
| 2025 |
State Patrol |
Us Bank Purchasing Card Program |
$11,690,434.85 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Bethany Of The Northwest |
$11,687,883.24 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Special Mobility Services Inc |
$11,676,910.08 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Telecommunication Systems Inc |
$11,675,596.26 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Confluence Health |
$11,673,517.71 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Providence Health & Services Was |
$11,668,371.43 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Hatch Mott Macdonald Group Inc |
$11,660,602.01 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Providence Health And Srvs Wa |
$11,652,844.24 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Assisted Residential Services, I |
$11,651,877.02 |
Washington State Checkbook |
| 2023 |
State Patrol |
Dnr Deposit Acct |
$11,651,248.78 |
Washington State Checkbook |
| 2025 |
State Patrol |
Clary Longview Llc |
$11,650,995.55 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Sunbridge Nursing Home, Llc |
$11,645,858.73 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Berger Abam Engineers Inc |
$11,642,479.15 |
Washington State Checkbook |
| 2018 |
Workforce Trng & Educ Coord Board |
Ospi General Fund 001 |
$11,641,411.90 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Living In Fullfilling Environmen |
$11,630,297.92 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Interwest Construction Inc |
$11,622,842.49 |
Washington State Checkbook |
| 2017 |
Department Of Ecology |
Liberty Lake Sewer & Water Dist |
$11,618,431.32 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Walgreen Co |
$11,618,054.18 |
Washington State Checkbook |
| 2025 |
Transportation |
Shi International Corp |
$11,613,525.99 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Snohomish County |
$11,607,011.22 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Community Integrated Services, I |
$11,602,984.59 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Mott Macdonald Group Inc |
$11,600,916.69 |
Washington State Checkbook |
| 2025 |
Transportation |
Kitsap Transit |
$11,599,392.46 |
Washington State Checkbook |
| 2018 |
Criminal Justice Training Cmsn |
Washington Association Of |
$11,591,976.76 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Wash St Comm Colleges Dist 17 |
$11,588,896.01 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Aging & Adult Care Of Central Wa |
$11,568,094.90 |
Washington State Checkbook |
| 2024 |
Ecology |
Tacoma City Of |
$11,565,168.05 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
International Community Health S |
$11,553,429.72 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Aging & Adult Care Of Central Wa |
$11,547,908.82 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Unity Care Northwest |
$11,547,855.45 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
The Caroline Kline Galland Home |
$11,547,380.52 |
Washington State Checkbook |
| 2024 |
Transportation |
Kapsch Trafficcom Usa Inc |
$11,542,616.07 |
Washington State Checkbook |
| 2024 |
Financial Management |
Deloitte Consulting Llp |
$11,536,672.82 |
Washington State Checkbook |
| 2023 |
Corrections |
Des Risk Mgmt Self Insur Claim |
$11,533,741.00 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Lake Stevens School Dist #4 |
$11,533,049.55 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Virginia Mason Medical Center |
$11,511,650.33 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Pnw Pace Partners Llc |
$11,510,077.41 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Elite Home Care |
$11,507,262.38 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Exceptional Foresters, Inc |
$11,506,257.57 |
Washington State Checkbook |
| 2024 |
Transportation |
Transcore Lp |
$11,505,499.80 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Aging & Long Term Care Of |
$11,496,284.27 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Maxim Healthcare Services |
$11,488,738.56 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Puyallup Tribal Health Authority |
$11,486,467.66 |
Washington State Checkbook |
| 2024 |
Commerce |
Compass Health |
$11,481,657.62 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Kitsap County |
$11,474,661.65 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Jamestown Sklallam Tribe |
$11,471,745.02 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Bethany Of The Northwest |
$11,470,007.64 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Wa State Univ |
$11,467,644.76 |
Washington State Checkbook |
| 2025 |
Financial Management |
Workday Inc |
$11,465,638.91 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Vancouver City Of |
$11,464,158.57 |
Washington State Checkbook |
| 2017 |
Military Department |
Us Bank Purchasing Card Program |
$11,463,558.89 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Mount Vernon City Of |
$11,462,560.45 |
Washington State Checkbook |
| 2018 |
Public Schools |
Nooksack Valley School District |
$11,452,683.97 |
Washington State Checkbook |
| 2017 |
Supt Of Public Instruction |
Spokane Public School Dist 81 |
$11,448,069.42 |
Washington State Checkbook |
| 2025 |
Military Department |
Telecommunication Systems Inc |
$11,443,944.91 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Kitsap Tenant Support Services I |
$11,442,625.49 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Olympia School District 111 |
$11,442,437.90 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Sanofi Pasteur Inc |
$11,442,431.39 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Living In Fullfilling Environmen |
$11,437,746.81 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Arris Health Services Llc |
$11,436,262.00 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Ps Business Parks Lp |
$11,435,000.00 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Clallam County Public Hospital D |
$11,433,121.98 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Cowlitz Indian Tribe |
$11,431,557.12 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
First American Title Insurance |
$11,421,589.79 |
Washington State Checkbook |
| 2025 |
Health |
Shi International Corp |
$11,419,041.90 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Na Degerstrom Inc |
$11,412,213.62 |
Washington State Checkbook |
| 2024 |
Public Schools |
Central Kitsap School Dist 401 |
$11,410,928.36 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Another Option Inc |
$11,403,583.56 |
Washington State Checkbook |
| 2018 |
Public Schools |
Lakewood School District 306 |
$11,402,063.21 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Consolidated Resources Health Ca |
$11,396,654.50 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Snohomish Co Public Transit Ben |
$11,393,001.34 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Imagine Institute The |
$11,387,307.61 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Cts Services |
$11,385,435.25 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Tulalip Tribes Of Washington |
$11,384,870.43 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Snohomish County - Public Works |
$11,378,182.50 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Lynden Incorporated |
$11,366,674.65 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
White River School Dist 416 |
$11,364,860.32 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Life Works |
$11,351,143.98 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Telecare Mental Health Services |
$11,337,675.98 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Elite Home Care |
$11,333,929.19 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Oregon Health Sciences Univ |
$11,332,869.79 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Wcc Operator Llc |
$11,319,602.33 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Island County Human Services |
$11,319,060.34 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Bnsf Railway Company |
$11,312,479.28 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
South Snohomish Co Fire & Rescue |
$11,312,317.24 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Columbia Basin Health Associatio |
$11,303,503.96 |
Washington State Checkbook |
| 2025 |
Commerce |
Office Of Civil Legal Aid |
$11,299,050.71 |
Washington State Checkbook |
| 2025 |
Commerce |
Volunteers Of America-Western Wa |
$11,296,941.67 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Advanced Lifeline Services Inc |
$11,294,393.00 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Squaxin Island Health Clinic |
$11,289,751.33 |
Washington State Checkbook |