| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2021 |
Washington State Checkbook |
Consolidated Resources Health Ca |
$19,238,826.76 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Bloodworks |
$19,205,455.70 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Thornburg Computer Services Llc |
$19,192,374.42 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Carahsoft Technology Corporation |
$19,175,693.05 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Caremark Llc |
$19,157,201.51 |
Washington State Checkbook |
| 2023 |
Transportation |
Parametrix Inc |
$19,152,383.26 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Peacehealth |
$19,120,746.46 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Universal Language Service Inc |
$19,114,264.36 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Monroe School District 103 |
$19,099,283.40 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Des Printing & Imaging Services |
$19,076,180.46 |
Washington State Checkbook |
| 2018 |
Corrections |
American Behavioral Health Sys |
$19,052,820.80 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Community Health Center Of Snoho |
$19,046,333.12 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Pitney Bowes Bank |
$19,040,000.00 |
Washington State Checkbook |
| 2024 |
Children, Youth, And Families |
Spokane Regional Health Dist |
$19,017,369.43 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
King County Public Hospital Dist |
$18,988,825.50 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
City Of Tacoma |
$18,932,354.31 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Community Health Center Of Snoho |
$18,930,431.41 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Dshs Fso Interagency |
$18,920,647.49 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Universal Language Service Inc |
$18,917,545.15 |
Washington State Checkbook |
| 2023 |
Public Schools |
Impact Public Schools |
$18,909,263.98 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Provail |
$18,900,446.49 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Yakima Valley Memorial Hospital |
$18,898,357.04 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Sails Washington Inc |
$18,886,692.85 |
Washington State Checkbook |
| 2025 |
Transportation |
Kapsch Trafficcom Usa Inc |
$18,884,208.16 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Educational Service Dist 112 |
$18,815,706.34 |
Washington State Checkbook |
| 2025 |
Commerce |
Clark County |
$18,749,184.71 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Siemens Industry Inc |
$18,740,563.60 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Des Risk Mgmt Self Insur Claim |
$18,732,972.17 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Aero-Flite Inc |
$18,712,866.48 |
Washington State Checkbook |
| 2025 |
State Patrol |
Dnr Deposit Acct |
$18,711,359.68 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Snoqualmie Valley Sd 410 |
$18,676,741.60 |
Washington State Checkbook |
| 2017 |
Dept Of Social And Health Services |
Alpha Supported Living Services |
$18,665,204.25 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Kadlec Regional Medical Center |
$18,639,119.39 |
Washington State Checkbook |
| 2024 |
Public Schools |
Bethel School District 403 |
$18,621,775.19 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Skagit County Pud No 1 |
$18,605,058.28 |
Washington State Checkbook |
| 2024 |
Fish And Wildlife |
Us Bank Purchasing Card Program |
$18,603,313.08 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Dcyf |
$18,601,269.87 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Lifelong Aids Alliance |
$18,562,316.69 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Providence Health And Services W |
$18,537,165.26 |
Washington State Checkbook |
| 2025 |
Commerce |
Opportunity Council |
$18,537,138.91 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Parametrix Inc |
$18,530,892.95 |
Washington State Checkbook |
| 2025 |
Public Schools |
Bethel School District 403 |
$18,529,745.78 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Sister's Of Providence - Provide |
$18,507,185.83 |
Washington State Checkbook |
| 2018 |
Transportation |
Hntb Corp |
$18,493,826.79 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Community Health Center Of Snoho |
$18,483,064.72 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Kadlec Regional Medical Center |
$18,472,242.31 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Snohomish County Division On |
$18,469,533.47 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Pfizer Inc |
$18,467,603.86 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Yakima County 200 School Dist |
$18,449,686.90 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Des Printing & Imaging Services |
$18,434,508.92 |
Washington State Checkbook |
| 2024 |
Transportation |
Pierce Transit |
$18,433,535.24 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Clallam County Public Hospital D |
$18,420,780.52 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Healthpoint |
$18,416,671.96 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Lummi Nation |
$18,398,529.70 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Rcfb Capital Projects |
$18,388,669.45 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Providence Health And Services |
$18,388,388.37 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Abbott Laboratoris And Us Subsid |
$18,366,479.99 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Peacehealth |
$18,344,840.59 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Rehabco, Inc. |
$18,308,908.18 |
Washington State Checkbook |
| 2023 |
Public Schools |
College Success Foundation |
$18,306,848.00 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Edmonds School Dist 15 |
$18,284,000.82 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Bioplus Specialty Pharmacy Svs |
$18,249,985.66 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Carahsoft Technology Corporation |
$18,233,919.98 |
Washington State Checkbook |
| 2023 |
Transportation |
Interstate Concrete & Asphalt |
$18,221,555.35 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Orsini Pharmaceutical Services, |
$18,218,482.68 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Aging & Long Term Care Of |
$18,217,945.03 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Healthpoint |
$18,206,168.00 |
Washington State Checkbook |
| 2018 |
Public Schools |
Tahoma School District 409 |
$18,188,286.19 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Rcfb General Fund |
$18,174,533.03 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Chehalis School District 302 |
$18,173,066.23 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Rcfb Capital Projects |
$18,142,877.97 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
Shelton School District 309 |
$18,126,961.56 |
Washington State Checkbook |
| 2023 |
Children, Youth, And Families |
Bayley Construction Lp |
$18,126,602.40 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Puyallup Tribal Health Authority |
$18,117,216.22 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Full Life Care |
$18,102,241.99 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Kadlec Regional Medical Center |
$18,083,388.30 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Mathematica Policy Research Inc |
$18,073,447.71 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Impact Public Schools |
$18,047,893.23 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Us Bank Purchasing Card Program |
$18,035,465.67 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Public Health Service Bureau |
$18,023,910.00 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Alliant Insurance Services Inc |
$18,022,584.99 |
Washington State Checkbook |
| 2025 |
Commerce |
Thurston County |
$18,019,164.50 |
Washington State Checkbook |
| 2025 |
Health |
Tacoma Pierce County Health Dept |
$18,018,128.18 |
Washington State Checkbook |
| 2023 |
Commerce |
Tacoma City Of Finance Dept |
$18,011,690.08 |
Washington State Checkbook |
| 2017 |
Department Of Enterprise Services |
Pitney Bowes Bank |
$18,000,000.00 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Pease Construction Inc |
$17,985,309.45 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Vigor Marine Llc |
$17,970,233.40 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Doh Grants |
$17,956,517.39 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Corporate Translation Services I |
$17,943,670.09 |
Washington State Checkbook |
| 2020 |
Washington State Checkbook |
King Co Housing & Comm Dev |
$17,918,384.83 |
Washington State Checkbook |
| 2023 |
Transportation |
Covington City Of |
$17,915,002.66 |
Washington State Checkbook |
| 2019 |
Washington State Checkbook |
Central Valley School Dist 356 |
$17,909,061.20 |
Washington State Checkbook |
| 2022 |
Washington State Checkbook |
Dshs Economic Svs Hq |
$17,905,713.09 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Clallam County Public Hospital D |
$17,890,393.72 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Clallam County Public Hospital D |
$17,889,776.04 |
Washington State Checkbook |
| 2025 |
Health |
Volunteers Of America-Western Wa |
$17,885,062.83 |
Washington State Checkbook |
| 2021 |
Washington State Checkbook |
Bellevue City Of |
$17,871,920.32 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Doh Grants |
$17,868,853.21 |
Washington State Checkbook |
| 2025 |
Ecology |
Dot Fund 109 Interfund |
$17,828,357.78 |
Washington State Checkbook |
| 2025 |
Commerce |
Pierce County Housing Programs |
$17,820,174.16 |
Washington State Checkbook |