Year	Employer	Vendor Name	Amount	Source
2020	Supreme Court	Kane County Of	$5,464,641.46	Illinois State Checkbook
2017	Healthcare & Family Services	St Francis Hospital	$5,463,963.65	Illinois State Checkbook
2024	Capital Development Board	A & R Mechanical Contractors I	$5,463,614.30	Illinois State Checkbook
2025	Revenue	Decatur Public School Dist 61	$5,463,318.60	Illinois State Checkbook
2020	Transportation	Elgin City Treasurer Of	$5,461,187.75	Illinois State Checkbook
2022	State Board Of Education	Beecher Comm Unit School 200U	$5,460,892.56	Illinois State Checkbook
2023	Aging	Casa Central Social Svcs Corp	$5,460,759.83	Illinois State Checkbook
2022	Transportation	State Police Dept Of	$5,460,000.00	Illinois State Checkbook
2024	State Board Of Education	Metropolitan Family Services	$5,458,966.86	Illinois State Checkbook
2019	Supreme Court	Lake County	$5,458,890.50	Illinois State Checkbook
2017	Healthcare & Family Services	Lexington Health Care Center	$5,458,553.38	Illinois State Checkbook
2022	State Board Of Education	Egyptian Community Unity Schl	$5,458,027.15	Illinois State Checkbook
2018	State Board Of Education	East Alton Elementary	$5,455,979.61	Illinois State Checkbook
2018	Commerce And Economic Opportun	Dupage County Department Of	$5,455,627.83	Illinois State Checkbook
2025	Aging	Trinity Care Providers Inc	$5,455,363.78	Illinois State Checkbook
2019	Revenue	Wood River City Treasurer	$5,454,618.01	Illinois State Checkbook
2023	State Board Of Education	Lasalle-Peru Township High	$5,454,395.69	Illinois State Checkbook
2019	Healthcare & Family Services	Cognizant Technology Solutions	$5,453,980.09	Illinois State Checkbook
2017	State Police	At & T Corp	$5,453,413.78	Illinois State Checkbook
2021	State Board Of Education	Williamson County Special	$5,451,442.14	Illinois State Checkbook
2022	Transportation	Aecom Technical Services Inc	$5,451,292.61	Illinois State Checkbook
2022	Healthcare & Family Services	City Of Evanston	$5,449,964.75	Illinois State Checkbook
2021	Employment Security	Fast Lp	$5,449,489.64	Illinois State Checkbook
2024	Innovation And Technology	Matrix Systems Group Inc	$5,449,029.04	Illinois State Checkbook
2021	State Board Of Education	Intrinsic Schools	$5,448,841.09	Illinois State Checkbook
2018	Central Management	Periscope Holdings Inc	$5,447,736.50	Illinois State Checkbook
2020	State Board Of Education	Anso Child Development Center	$5,445,851.64	Illinois State Checkbook
2023	State Board Of Education	Princeton Elem School Dist 115	$5,445,697.59	Illinois State Checkbook
2024	Human Services	Pinnacle Opportunities	$5,445,089.50	Illinois State Checkbook
2017	State Board Of Education	North Greene Unit District 3	$5,444,484.94	Illinois State Checkbook
2022	Transportation	Sangamon County	$5,444,123.54	Illinois State Checkbook
2018	Healthcare & Family Services	Gibson Area Hospital & Health	$5,444,072.13	Illinois State Checkbook
2024	Revenue	Monmouth City Treasurer	$5,443,910.57	Illinois State Checkbook
2025	Human Services	Bridgeway Inc	$5,442,222.92	Illinois State Checkbook
2021	Il State Toll Highway Auth	Mesirow Insurance Services Inc	$5,441,609.00	Illinois State Checkbook
2024	Revenue	Sterling Cusd 5	$5,441,194.43	Illinois State Checkbook
2024	Healthcare & Family Services	Conduent State & Local	$5,441,058.31	Illinois State Checkbook
2021	Healthcare & Family Services	South Shore Hospital Corp	$5,441,016.32	Illinois State Checkbook
2025	Transportation	Ingevity Corporation	$5,440,402.50	Illinois State Checkbook
2024	State Board Of Education	Morrison Community Unit School	$5,439,912.16	Illinois State Checkbook
2017	Il Community College Board	College Of Lake County	$5,439,573.67	Illinois State Checkbook
2022	State Board Of Education	Anso Child Development Center	$5,439,437.86	Illinois State Checkbook
2024	Human Services	Bethshan Association	$5,439,406.45	Illinois State Checkbook
2018	Revenue	Zion City Treasurer	$5,437,960.87	Illinois State Checkbook
2022	Commerce And Economic Opportun	Two Rivers Regional Council	$5,437,358.75	Illinois State Checkbook
2018	Aging	East Central Il Area Agency	$5,436,931.70	Illinois State Checkbook
2025	State Board Of Education	Roxana Community Unit School	$5,436,777.42	Illinois State Checkbook
2024	Human Services	Visions Llc	$5,436,373.67	Illinois State Checkbook
2019	Transportation	Charles E Mahoney Co	$5,436,322.13	Illinois State Checkbook
2025	Healthcare & Family Services	Kindred Chicago Northlake Llc	$5,435,787.15	Illinois State Checkbook
2017	Transportation	Ambraw Asphalt Materials Inc	$5,435,101.07	Illinois State Checkbook
2024	Human Services	The Salvation Army	$5,434,514.77	Illinois State Checkbook
2022	Revenue	Waterloo City Treasurer	$5,433,987.95	Illinois State Checkbook
2020	State Board Of Education	Unity Point School Dist 140	$5,432,285.03	Illinois State Checkbook
2024	Human Services	Comprehensive Behavioral Hlth	$5,432,044.70	Illinois State Checkbook
2020	Healthcare & Family Services	Long Grove Pac Llc	$5,431,565.44	Illinois State Checkbook
2024	Revenue	Joliet City	$5,431,476.07	Illinois State Checkbook
2023	Commerce And Economic Opportun	Mchenry County Housing Authori	$5,430,907.98	Illinois State Checkbook
2025	Il Community College Board	Prairie State College	$5,429,981.66	Illinois State Checkbook
2023	Il Community College Board	Kankakee Community College	$5,429,284.60	Illinois State Checkbook
2020	Transportation	River Valley Metro	$5,429,226.01	Illinois State Checkbook
2023	State Board Of Education	Carrier Mills-Stonefort	$5,429,160.74	Illinois State Checkbook
2020	Revenue	St Clair County Flood Prvntn	$5,428,190.22	Illinois State Checkbook
2024	State Board Of Education	El Paso-Gridley Cusd 11	$5,427,919.01	Illinois State Checkbook
2023	Healthcare & Family Services	Presence St Francis Hospital	$5,426,828.69	Illinois State Checkbook
2021	Revenue	Lisle Vilalge Treasurer	$5,426,785.22	Illinois State Checkbook
2022	Il Emergency Management Agcy	Edward Elmhurst Healthcare	$5,426,584.07	Illinois State Checkbook
2025	Revenue	Park Forest Village Treasurer	$5,426,051.58	Illinois State Checkbook
2020	State Board Of Education	Trico Community Unit School	$5,425,979.77	Illinois State Checkbook
2025	Revenue	Pekin Elem Sd 108	$5,424,602.18	Illinois State Checkbook
2018	Transportation	Commonwealth Edison Company	$5,424,599.60	Illinois State Checkbook
2020	State Board Of Education	Sandoval Com Unit Dist 501	$5,424,064.51	Illinois State Checkbook
2023	Revenue	Dupage Cmnty High School 88	$5,423,784.24	Illinois State Checkbook
2021	Revenue	Kewanee City Treasurer	$5,423,499.15	Illinois State Checkbook
2024	Aging	Southwestern Illinois Visiting	$5,423,418.69	Illinois State Checkbook
2023	Central Management	Rush Truck Ctrs Of	$5,423,065.20	Illinois State Checkbook
2021	State Board Of Education	Manhattan School District No 1	$5,422,923.31	Illinois State Checkbook
2024	State Board Of Education	Riverdale Community Unit Schl	$5,421,484.30	Illinois State Checkbook
2025	State Board Of Education	Marengo-Union Elementary	$5,421,246.19	Illinois State Checkbook
2023	Healthcare & Family Services	Village Of Skokie	$5,420,968.48	Illinois State Checkbook
2021	State Board Of Education	Childrens Home & Aid Society	$5,420,086.34	Illinois State Checkbook
2017	Healthcare & Family Services	Optum Government Solutions Inc	$5,419,597.50	Illinois State Checkbook
2023	Transportation	R S & H Inc	$5,419,413.99	Illinois State Checkbook
2023	Natural Resources	Chicago Park District	$5,419,154.33	Illinois State Checkbook
2023	Revenue	Tuscola Cusd 301	$5,419,089.67	Illinois State Checkbook
2025	Human Services	Patterson House Inc	$5,417,762.62	Illinois State Checkbook
2019	Transportation	Civiltech Engineering Inc	$5,417,733.61	Illinois State Checkbook
2025	Commerce And Economic Opportun	Tazewell County	$5,417,149.13	Illinois State Checkbook
2017	Commerce And Economic Opportun	Cefs Economic Opport Corp	$5,416,890.00	Illinois State Checkbook
2025	State Board Of Education	Metropolitan Family Services	$5,416,578.79	Illinois State Checkbook
2022	Transportation	Marucco Stoddard Ferenbach &	$5,416,572.45	Illinois State Checkbook
2025	Revenue	Monmouth City Treasurer	$5,415,641.83	Illinois State Checkbook
2023	State Board Of Education	Township High School Dist 113	$5,415,306.16	Illinois State Checkbook
2021	State Board Of Education	Limestone Community High Schl	$5,415,086.30	Illinois State Checkbook
2021	Revenue	Lake Bluff Village Treasurer	$5,414,529.42	Illinois State Checkbook
2024	Revenue	Park Forest Village Treasurer	$5,413,673.81	Illinois State Checkbook
2023	Revenue	Stephenson County General Fund	$5,413,108.21	Illinois State Checkbook
2017	Healthcare & Family Services	Dupage County Department Of	$5,412,692.22	Illinois State Checkbook
2025	Revenue	Worth Village Treasurer	$5,412,603.28	Illinois State Checkbook
2021	State Board Of Education	Eastern Illinois Area Special	$5,412,262.84	Illinois State Checkbook