Year	Employer	Vendor Name	Amount	Source
2023	Transportation	Central Washington Asphalt Inc	$49,152,591.38	Washington State Checkbook
2020	Washington State Checkbook	King County	$49,112,149.45	Washington State Checkbook
2022	Washington State Checkbook	Beacon Health Options Inc	$48,856,106.47	Washington State Checkbook
2021	Washington State Checkbook	Swedish Health Services	$48,851,834.26	Washington State Checkbook
2020	Washington State Checkbook	Swedish Health Services	$48,381,108.22	Washington State Checkbook
2018	Social And Health Services	Catholic Community Services Of W	$48,129,093.63	Washington State Checkbook
2023	Health Care Authority	Hopelink	$47,718,548.35	Washington State Checkbook
2021	Washington State Checkbook	Sea-Mar Community Health Center	$47,432,756.22	Washington State Checkbook
2021	Washington State Checkbook	Sister's Of Providence - Provide	$47,226,218.32	Washington State Checkbook
2021	Washington State Checkbook	Unitedhealthcare Of Washington	$47,156,649.92	Washington State Checkbook
2022	Washington State Checkbook	Aacres Wa Llc	$46,961,836.27	Washington State Checkbook
2023	Health Care Authority	Public Hospital District 1 Of Ki	$46,867,265.37	Washington State Checkbook
2021	Washington State Checkbook	First Choice In-Home Care, Inc.	$46,615,792.36	Washington State Checkbook
2020	Washington State Checkbook	Aacres Wa Llc	$46,374,566.85	Washington State Checkbook
2020	Washington State Checkbook	Ambitions Of Washington	$46,256,084.90	Washington State Checkbook
2017	Wash State Health Care Authority	Good Health, Inc.	$46,244,395.57	Washington State Checkbook
2018	Ecology	Oak Harbor City Of	$46,172,767.10	Washington State Checkbook
2022	Washington State Checkbook	Wsp Usa Inc	$46,106,031.95	Washington State Checkbook
2021	Washington State Checkbook	Vancouver School District 37	$45,956,629.10	Washington State Checkbook
2018	Public Schools	Kennewick School District 17	$45,953,290.18	Washington State Checkbook
2020	Washington State Checkbook	Shi International Corp	$45,766,106.11	Washington State Checkbook
2019	Washington State Checkbook	Central Kitsap School Dist 401	$45,687,180.99	Washington State Checkbook
2021	Washington State Checkbook	Aacres Wa Llc	$45,670,064.68	Washington State Checkbook
2019	Washington State Checkbook	Greater Columbia Behavioral Heal	$45,620,348.77	Washington State Checkbook
2018	Health Care Authority	Seattle Childrens Hospital	$45,548,876.64	Washington State Checkbook
2021	Washington State Checkbook	Des Office Facilities	$45,443,915.15	Washington State Checkbook
2022	Washington State Checkbook	Auburn School District 408	$45,440,273.15	Washington State Checkbook
2023	Social And Health Services	Consumer Direct Care Network Wa	$45,339,905.11	Washington State Checkbook
2021	Washington State Checkbook	Hopelink	$45,291,042.63	Washington State Checkbook
2017	Wash State Health Care Authority	Kitsap County	$45,225,312.95	Washington State Checkbook
2021	Washington State Checkbook	Thurston County	$45,086,087.29	Washington State Checkbook
2021	Washington State Checkbook	King Co Public Health	$45,043,055.03	Washington State Checkbook
2023	Health Care Authority	Client Network Services Llc	$45,020,950.47	Washington State Checkbook
2023	Health	Merck Sharp And Dohme Corp	$44,873,096.45	Washington State Checkbook
2022	Washington State Checkbook	Hopelink	$44,872,708.15	Washington State Checkbook
2023	Health Care Authority	Unitedhealthcare Of Washington	$44,821,811.27	Washington State Checkbook
2022	Washington State Checkbook	Alpha Supported Living Services	$44,707,896.33	Washington State Checkbook
2018	Social And Health Services	Stillaguamish Tribe Of Indians	$44,552,544.82	Washington State Checkbook
2023	Health Care Authority	Swedish Health Services	$44,535,595.72	Washington State Checkbook
2017	Wash State Health Care Authority	Thurston County	$44,447,176.17	Washington State Checkbook
2022	Washington State Checkbook	Scarsella Bros Inc	$44,376,696.99	Washington State Checkbook
2023	Transportation	Hoffman-Pacific A Jv	$44,312,357.17	Washington State Checkbook
2018	Transportation	Skanska Usa Civil West Ca Dist	$44,310,426.31	Washington State Checkbook
2020	Washington State Checkbook	Des Office Facilities	$44,039,715.87	Washington State Checkbook
2017	Dept Of Social And Health Services	Catholic Community Services Of W	$44,028,452.41	Washington State Checkbook
2017	Dept Of Social And Health Services	Aacres Wa Llc	$43,851,437.86	Washington State Checkbook
2017	Wash State Health Care Authority	Bioplus Specialty Pharmacy Svs	$43,715,410.90	Washington State Checkbook
2021	Washington State Checkbook	Alpha Supported Living Services	$43,497,097.85	Washington State Checkbook
2023	Health Care Authority	Washington Institute For Coagula	$43,472,944.54	Washington State Checkbook
2018	Public Schools	Central Valley School Dist 356	$43,101,203.92	Washington State Checkbook
2021	Washington State Checkbook	Client Network Services Llc	$43,037,670.51	Washington State Checkbook
2021	Washington State Checkbook	Hoffman-Pacific A Jv	$42,897,415.93	Washington State Checkbook
2019	Washington State Checkbook	Des Office Facilities	$42,749,211.07	Washington State Checkbook
2018	Health Care Authority	Kitsap County	$42,605,473.79	Washington State Checkbook
2020	Washington State Checkbook	Korean Womens Association	$42,462,304.63	Washington State Checkbook
2022	Washington State Checkbook	Client Network Services Llc	$42,450,728.67	Washington State Checkbook
2018	Transportation	Rainier Inc	$42,428,398.94	Washington State Checkbook
2019	Washington State Checkbook	Kiewit Infrastructure West Co	$42,249,638.98	Washington State Checkbook
2022	Washington State Checkbook	Office Of Admin Hearings	$42,216,298.61	Washington State Checkbook
2022	Washington State Checkbook	Washington Institute For Coagula	$42,206,454.67	Washington State Checkbook
2023	Ecology	Seattle City Of Util Solid Wst	$42,195,531.85	Washington State Checkbook
2022	Washington State Checkbook	Thurston County	$42,143,356.93	Washington State Checkbook
2017	Wash State Health Care Authority	Sea Mar Community Health Centers	$42,020,329.95	Washington State Checkbook
2022	Washington State Checkbook	Ab Staffing Solutions Llc	$41,987,774.75	Washington State Checkbook
2022	Washington State Checkbook	Hntb Corp	$41,962,703.73	Washington State Checkbook
2019	Washington State Checkbook	Multicare Health System	$41,956,030.89	Washington State Checkbook
2023	Social And Health Services	Us Bank Purchasing Card Program	$41,942,445.80	Washington State Checkbook
2018	Social And Health Services	Us District Court Clerk	$41,879,250.00	Washington State Checkbook
2021	Washington State Checkbook	King Co Natural Resources	$41,812,807.62	Washington State Checkbook
2023	Consolidated Technology Services	Insight Public Sector Inc	$41,791,713.39	Washington State Checkbook
2019	Washington State Checkbook	Rainier Inc	$41,698,141.05	Washington State Checkbook
2018	Health Care Authority	Regence Blueshield	$41,664,892.99	Washington State Checkbook
2019	Washington State Checkbook	Multicare Adult Day Health	$41,560,045.84	Washington State Checkbook
2017	Supt Of Public Instruction	Kennewick School District 17	$41,511,017.15	Washington State Checkbook
2020	Washington State Checkbook	First Choice In-Home Care Inc	$41,288,082.33	Washington State Checkbook
2020	Washington State Checkbook	Client Network Services Llc	$41,278,415.28	Washington State Checkbook
2019	Washington State Checkbook	Hopelink	$41,263,619.07	Washington State Checkbook
2017	Dept Of Social And Health Services	Atg Legal Svcs	$41,235,805.49	Washington State Checkbook
2022	Washington State Checkbook	Puget Sound Educ Svc Dist 121	$41,129,744.97	Washington State Checkbook
2022	Washington State Checkbook	Spokane Co Community Svc	$41,120,442.34	Washington State Checkbook
2018	Social And Health Services	Atg Legal Svcs	$41,024,485.32	Washington State Checkbook
2018	Social And Health Services	Us Bank Purchasing Card Program	$40,986,229.07	Washington State Checkbook
2023	Social And Health Services	Aacres Wa Llc	$40,958,037.46	Washington State Checkbook
2019	Washington State Checkbook	Ambitions Of Washington	$40,885,264.25	Washington State Checkbook
2017	Department Of Transportation	National Railroad Passenger Corp	$40,753,359.91	Washington State Checkbook
2022	Washington State Checkbook	Kuehg Corp	$40,595,884.36	Washington State Checkbook
2022	Washington State Checkbook	Unitedhealthcare Of Washington	$40,295,159.60	Washington State Checkbook
2023	Children, Youth, And Families	Puget Sound Educ Svc Dist 121	$40,184,767.33	Washington State Checkbook
2023	Transportation	Walsh Construction Ii	$40,068,575.50	Washington State Checkbook
2018	Health Care Authority	Thurston County	$39,932,272.50	Washington State Checkbook
2021	Washington State Checkbook	Uw-Grant & Contract Accounting	$39,816,970.72	Washington State Checkbook
2021	Washington State Checkbook	International Business Machines	$39,797,754.88	Washington State Checkbook
2020	Washington State Checkbook	King Co Public Health	$39,784,348.63	Washington State Checkbook
2023	Commerce	Pierce County Housing Programs	$39,762,947.14	Washington State Checkbook
2022	Washington State Checkbook	Des Office Facilities	$39,716,627.15	Washington State Checkbook
2017	Dept Of Social And Health Services	Res-Care Of Washington Inc	$39,682,001.27	Washington State Checkbook
2018	Social And Health Services	Seattle City Of Human Services	$39,578,526.61	Washington State Checkbook
2022	Washington State Checkbook	Public Hospital District 1 Of Ki	$39,563,223.37	Washington State Checkbook
2017	Wash State Health Care Authority	Client Network Services Inc	$39,399,484.76	Washington State Checkbook
2022	Washington State Checkbook	Ospi General Fund 001	$39,263,162.08	Washington State Checkbook