| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2023 |
Health Care Authority |
Harborview Medical Center |
$171,239,552.27 |
Washington State Checkbook |
| 2021 |
Transportation |
Graham Contracting Ltd |
$170,691,839.18 |
Washington State Checkbook |
| 2016 |
Transportation |
Seattle Tunnel Partners Jv |
$170,558,130.58 |
Washington State Checkbook |
| 2025 |
Social And Health Services |
Res-Care Of Washington Inc. |
$170,388,044.38 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Res-Care Of Washington Inc. |
$168,638,913.93 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Public Consulting Group Inc |
$168,418,440.79 |
Washington State Checkbook |
| 2021 |
Social And Health Services |
Res-Care Of Washington Inc. |
$163,277,916.13 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Molina Healthcare Of Wa Inc |
$162,753,795.45 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Community Health Plan Of Wash |
$159,961,741.11 |
Washington State Checkbook |
| 2022 |
Health |
King Co Public Health |
$159,895,507.14 |
Washington State Checkbook |
| 2021 |
Military Department |
Doh Grants |
$159,123,699.95 |
Washington State Checkbook |
| 2024 |
Ecology |
King Co Natural Resources |
$157,275,187.54 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Res-Care Of Washington Inc. |
$156,602,420.07 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Harborview Medical Center |
$155,627,496.82 |
Washington State Checkbook |
| 2023 |
Social And Health Services |
Res-Care Of Washington Inc. |
$154,305,887.10 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Washington Health Benefit Exchng |
$154,011,361.24 |
Washington State Checkbook |
| 2019 |
Transportation |
Guy F Atkinson Const Llc |
$151,684,778.88 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Harborview Medical Center |
$150,463,680.18 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Community Health Plan Of Wash |
$146,304,752.01 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Harborview Medical Center |
$145,959,888.79 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Harborview Medical Center |
$143,477,884.13 |
Washington State Checkbook |
| 2024 |
Military Department |
Multicare Health System |
$142,639,249.03 |
Washington State Checkbook |
| 2024 |
Transportation |
Flatiron West Inc The Lane Const |
$142,467,727.02 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Community Health Plan Of Wash |
$141,342,473.03 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Molina Healthcare Of Wa Inc |
$141,263,230.59 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
King County |
$140,124,960.14 |
Washington State Checkbook |
| 2023 |
Transportation |
Graham Contracting Ltd |
$139,652,689.59 |
Washington State Checkbook |
| 2023 |
Commerce |
Geocko Inc |
$138,589,608.95 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Washington Health Benefit Exchng |
$138,513,707.34 |
Washington State Checkbook |
| 2020 |
Social And Health Services |
Res-Care Of Washington Inc. |
$136,739,118.03 |
Washington State Checkbook |
| 2021 |
Commerce |
National Council For Comm Devel |
$136,262,886.00 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Harborview Medical Center |
$134,663,866.28 |
Washington State Checkbook |
| 2025 |
Children, Youth, And Families |
Des Risk Mgmt Self Insur Claim |
$133,159,508.81 |
Washington State Checkbook |
| 2021 |
Enterprise Services |
Global Healthcare Product Soluti |
$132,971,578.01 |
Washington State Checkbook |
| 2022 |
Health |
Ihealth Labs Inc |
$131,572,500.00 |
Washington State Checkbook |
| 2022 |
Transportation |
Graham Contracting Ltd |
$131,572,413.51 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
North Sound Regional Support Net |
$130,842,854.67 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
North Sound Regional Support Net |
$129,922,755.03 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Harborview Medical Center |
$129,739,817.19 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Harborview Medical Center |
$128,858,857.42 |
Washington State Checkbook |
| 2018 |
Transportation |
Guy F Atkinson Const Llc |
$125,268,505.63 |
Washington State Checkbook |
| 2016 |
Transportation |
Bnsf Railway Company |
$122,677,855.64 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Community Health Plan Of Wash |
$122,227,492.83 |
Washington State Checkbook |
| 2023 |
Commerce |
King Co Housing & Comm Dev |
$121,239,126.65 |
Washington State Checkbook |
| 2019 |
Social And Health Services |
Res-Care Of Washington Inc. |
$118,479,694.84 |
Washington State Checkbook |
| 2020 |
Transportation |
Graham Contracting Ltd |
$117,126,272.09 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
North Sound Regional Support Net |
$117,026,982.19 |
Washington State Checkbook |
| 2016 |
Transportation |
Guy F Atkinson Const Llc |
$116,563,040.65 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Harborview Medical Center |
$116,164,844.41 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
University Of Washington |
$113,770,760.74 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Spokane County |
$112,173,607.36 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Community Health Plan Of Wash |
$111,805,934.61 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
University Of Washington |
$111,680,603.94 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Molina Healthcare Of Wa Inc |
$110,416,710.87 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
United Behavioral Health Inc |
$109,922,623.02 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Seiu Healthcare Nw Health Trust |
$109,802,080.29 |
Washington State Checkbook |
| 2025 |
Transportation |
Flatiron West Inc The Lane Const |
$107,574,441.09 |
Washington State Checkbook |
| 2024 |
Social And Health Services |
Us District Court Clerk |
$106,432,500.00 |
Washington State Checkbook |
| 2023 |
Health |
King Co Public Health |
$105,401,959.78 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Guy F Atkinson Const Llc |
$105,215,181.34 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
North Sound Regional Support Net |
$104,823,934.09 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
Community Health Plan Of Wash |
$103,908,331.34 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Washington Health Benefit Exchng |
$103,590,736.55 |
Washington State Checkbook |
| 2018 |
Social And Health Services |
Res-Care Of Washington Inc. |
$103,129,713.83 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Community Health Plan Of Wash |
$102,927,645.40 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Community Health Plan Of Wash |
$102,887,124.91 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
United Behavioral Health Inc |
$102,590,978.03 |
Washington State Checkbook |
| 2022 |
Social And Health Services |
Dcyf |
$101,789,821.60 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Spokane County |
$101,771,114.83 |
Washington State Checkbook |
| 2016 |
Transportation |
Kiewit General Manson A Joint |
$99,901,150.29 |
Washington State Checkbook |
| 2024 |
Transportation |
Kiewit Infrastructure West Co |
$98,795,105.31 |
Washington State Checkbook |
| 2024 |
Transportation |
Scarsella Bros Inc |
$97,140,782.64 |
Washington State Checkbook |
| 2017 |
Department Of Transportation |
Bnsf Railway Company |
$96,465,374.39 |
Washington State Checkbook |
| 2017 |
Wash State Health Care Authority |
Greater Columbia Behavioral Heal |
$96,080,690.50 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Sister's Of Providence - Provide |
$96,070,374.61 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Spokane County |
$96,031,544.45 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
University Of Washington |
$95,561,989.45 |
Washington State Checkbook |
| 2024 |
Transportation |
Graham Contracting Ltd |
$95,394,133.28 |
Washington State Checkbook |
| 2024 |
Transportation |
Vigor Marine Llc |
$94,968,221.89 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Community Health Plan Of Wash |
$94,489,564.18 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Seattle Childrens Hospital |
$94,402,778.41 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
United Behavioral Health Inc |
$94,283,274.96 |
Washington State Checkbook |
| 2025 |
Transportation |
Wsp Usa Inc |
$91,903,222.76 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Community Health Plan Of Wash |
$91,276,049.45 |
Washington State Checkbook |
| 2022 |
Health |
Aci Federal |
$91,257,413.11 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
Molina Healthcare Of Wa Inc |
$90,948,255.81 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Dshs Fso Interagency |
$88,621,073.86 |
Washington State Checkbook |
| 2025 |
Health Care Authority |
Regence Blueshield |
$88,376,561.17 |
Washington State Checkbook |
| 2019 |
Health Care Authority |
Coordinated Care Of Wa Inc |
$88,226,874.29 |
Washington State Checkbook |
| 2020 |
Health Care Authority |
University Of Washington |
$87,900,828.15 |
Washington State Checkbook |
| 2021 |
Transportation |
Flatiron West Inc The Lane Const |
$87,451,922.77 |
Washington State Checkbook |
| 2016 |
Health Care Authority |
Columbia United Providers |
$87,283,905.95 |
Washington State Checkbook |
| 2021 |
Health Care Authority |
Multicare Health System |
$87,171,092.14 |
Washington State Checkbook |
| 2024 |
Health Care Authority |
Multicare Health System |
$86,718,804.60 |
Washington State Checkbook |
| 2018 |
Health Care Authority |
University Of Washington |
$86,546,893.36 |
Washington State Checkbook |
| 2022 |
Health Care Authority |
Washington Health Benefit Exchng |
$86,496,188.00 |
Washington State Checkbook |
| 2024 |
Transportation |
Wsp Usa Inc |
$86,130,180.20 |
Washington State Checkbook |
| 2016 |
Social And Health Services |
Rescare Of Washington Inc. |
$85,810,712.76 |
Washington State Checkbook |
| 2017 |
Department Of Early Learning (Del) |
Dshs Economic Svs Hq |
$85,673,876.30 |
Washington State Checkbook |
| 2023 |
Health Care Authority |
Multicare Health System |
$85,518,799.18 |
Washington State Checkbook |