Year	Employer	Vendor Name	Amount	Source
2017	Healthcare & Family Services	Rockford Memorial Hospital	$34,008,288.13	Illinois State Checkbook
2020	Innovation And Technology	Mckinsey & Company Inc	$33,934,368.25	Illinois State Checkbook
2020	Il Emergency Management Agcy	Edward Roberts Llc	$33,920,743.50	Illinois State Checkbook
2024	Healthcare & Family Services	Swedish Covenant Hospital	$33,879,897.61	Illinois State Checkbook
2020	State Board Of Education	Schaumburg Comm Consolidated	$33,876,096.88	Illinois State Checkbook
2025	Environmental Protect Agency	Village Of Oak Lawn	$33,833,793.93	Illinois State Checkbook
2020	Healthcare & Family Services	Carle Foundation Hospital	$33,830,682.99	Illinois State Checkbook
2024	Revenue	Palatine Village Treasurer	$33,778,855.02	Illinois State Checkbook
2023	Revenue	Quincy City Treasurer	$33,775,872.70	Illinois State Checkbook
2021	State Board Of Education	Community Unit School	$33,768,180.44	Illinois State Checkbook
2025	Aging	Assyrian Universal Alliance Fn	$33,750,761.01	Illinois State Checkbook
2019	State Board Of Education	Alton Comm Unit School Dist	$33,749,347.72	Illinois State Checkbook
2020	State Board Of Education	Board Of Education S D 100	$33,741,642.51	Illinois State Checkbook
2025	Healthcare & Family Services	Presence Chicago Hospitals Ntk	$33,713,434.78	Illinois State Checkbook
2023	State Board Of Education	Community Unit District No 203	$33,695,977.99	Illinois State Checkbook
2019	State Board Of Education	Mclean County Unit Dist No 5	$33,678,713.92	Illinois State Checkbook
2024	Revenue	Gurnee Village Treasurer	$33,631,550.51	Illinois State Checkbook
2022	Il Student Assistance Comm	Illinois State University	$33,612,041.57	Illinois State Checkbook
2016	Healthcare & Family Services	Wal-Mart Stores Inc	$33,565,289.60	Illinois State Checkbook
2020	Human Services	The Thresholds	$33,553,226.40	Illinois State Checkbook
2019	Healthcare & Family Services	Presence Central And Suburban	$33,547,966.10	Illinois State Checkbook
2022	Healthcare & Family Services	Northshore University Health	$33,519,599.05	Illinois State Checkbook
2018	Revenue	Mount Prospect Village Treasur	$33,507,793.17	Illinois State Checkbook
2025	Aging	Ageoptions Inc	$33,505,899.26	Illinois State Checkbook
2016	Revenue	Decatur City Treasurer	$33,504,455.59	Illinois State Checkbook
2017	Transportation	St Clair County Transit Dist	$33,502,659.60	Illinois State Checkbook
2021	Transportation	Meade Inc	$33,487,570.09	Illinois State Checkbook
2024	Aging	European Service At Home Inc	$33,485,362.41	Illinois State Checkbook
2017	Healthcare & Family Services	Mercy Hospital & Medical Ctr	$33,441,185.79	Illinois State Checkbook
2023	Healthcare & Family Services	Presence Chicago Hospitals Ntk	$33,439,060.25	Illinois State Checkbook
2016	Healthcare & Family Services	Norwegian American Hosp Inc	$33,436,611.73	Illinois State Checkbook
2020	Il State Toll Highway Auth	Commonwealth Edison Company	$33,427,921.54	Illinois State Checkbook
2025	Revenue	East Peoria City Treasurer	$33,395,604.54	Illinois State Checkbook
2024	State Board Of Education	Mascoutah Community Unit	$33,385,099.03	Illinois State Checkbook
2020	State Board Of Education	Champaign Comm Schl Dist No 4	$33,320,732.22	Illinois State Checkbook
2020	Healthcare & Family Services	Presence Central And Suburban	$33,315,959.09	Illinois State Checkbook
2017	Revenue	Mchenry County Treasurer	$33,314,904.56	Illinois State Checkbook
2018	Central Management	Health Alliance Medical Plan I	$33,312,146.36	Illinois State Checkbook
2024	State Board Of Education	Concept Schools Nfp	$33,298,844.46	Illinois State Checkbook
2020	Transportation	Peter Baker & Son Co	$33,285,430.81	Illinois State Checkbook
2021	Transportation	Iowa Dept Of Transportation	$33,257,204.28	Illinois State Checkbook
2025	Illinois Gaming Board	City Of Des Plaines	$33,253,288.25	Illinois State Checkbook
2025	Revenue	Moline City Treasurer	$33,223,588.04	Illinois State Checkbook
2023	Revenue	St Charles City Treasurer	$33,209,632.51	Illinois State Checkbook
2024	State Board Of Education	Community Unit School Dist 200	$33,200,781.38	Illinois State Checkbook
2025	Transportation	Chicago Metropolitan Agency	$33,185,294.49	Illinois State Checkbook
2024	Transportation	Chicago Metropolitan Agency	$33,159,012.49	Illinois State Checkbook
2022	Revenue	Niles Vilalge Treasurer	$33,158,554.80	Illinois State Checkbook
2016	State Board Of Education	Rock Island School Dstrct #41	$33,127,090.97	Illinois State Checkbook
2017	Healthcare & Family Services	Northshore University Health	$33,126,392.95	Illinois State Checkbook
2020	State Board Of Education	Niles Twp School Treasurer	$33,122,120.55	Illinois State Checkbook
2016	Revenue	Mchenry County Treasurer	$33,114,006.63	Illinois State Checkbook
2021	Public Health	Illinois Public Health	$33,063,255.40	Illinois State Checkbook
2018	Revenue	Glenview Village Treasurer	$33,032,430.01	Illinois State Checkbook
2023	Revenue	Elmhurst City Treasurer	$33,009,115.08	Illinois State Checkbook
2022	Revenue	Quincy City Treasurer	$33,000,934.20	Illinois State Checkbook
2020	State Board Of Education	Community Unit School	$32,991,314.02	Illinois State Checkbook
2018	Healthcare & Family Services	Mercy Hospital & Medical Ctr	$32,976,799.99	Illinois State Checkbook
2020	Healthcare & Family Services	Chicago Board Of Education	$32,961,920.78	Illinois State Checkbook
2025	Revenue	Rockford Board Of Education	$32,951,312.66	Illinois State Checkbook
2021	Human Services	Misericordia Home	$32,919,472.62	Illinois State Checkbook
2023	Transportation	Dupage County Of	$32,914,762.40	Illinois State Checkbook
2017	Healthcare & Family Services	Swedish Covenant Hospital	$32,889,539.93	Illinois State Checkbook
2019	Human Services	Misericordia Home	$32,855,140.75	Illinois State Checkbook
2022	State Board Of Education	Crete Monee Community Unit	$32,842,277.90	Illinois State Checkbook
2023	Transportation	Dunnet Bay Construction Co	$32,839,327.63	Illinois State Checkbook
2016	Healthcare & Family Services	Swedish American Hospital Assn	$32,837,845.75	Illinois State Checkbook
2021	State Board Of Education	County Of Cook School Dist 98	$32,801,195.72	Illinois State Checkbook
2019	State Board Of Education	Collinsville Community Unit	$32,754,940.83	Illinois State Checkbook
2020	Revenue	Normal Town Treasurer	$32,752,637.85	Illinois State Checkbook
2017	Il Emergency Management Agcy	Chicago City Of	$32,748,944.34	Illinois State Checkbook
2018	State Board Of Education	Mclean County Unit Dist No 5	$32,738,585.34	Illinois State Checkbook
2023	Revenue	Palatine Village Treasurer	$32,689,896.67	Illinois State Checkbook
2021	Human Services	Illinois Coalition For	$32,681,649.23	Illinois State Checkbook
2018	Revenue	Decatur City Treasurer	$32,669,681.30	Illinois State Checkbook
2025	Revenue	Marion City Treasurer	$32,661,989.03	Illinois State Checkbook
2020	Healthcare & Family Services	Northshore University Health	$32,646,498.61	Illinois State Checkbook
2025	State Board Of Education	Region 06 West Cook Isc 2	$32,646,403.72	Illinois State Checkbook
2019	Revenue	Waukegan City Treasurer	$32,627,794.77	Illinois State Checkbook
2020	Il Student Assistance Comm	Illinois State University	$32,612,174.28	Illinois State Checkbook
2021	Human Services	University Of Illinois	$32,578,225.20	Illinois State Checkbook
2017	Healthcare & Family Services	Highland Park Cvs Llc	$32,572,782.86	Illinois State Checkbook
2017	Healthcare & Family Services	Southern Illinois Hospital	$32,550,180.41	Illinois State Checkbook
2020	State Employees' Retire System	Treasurer Office Of	$32,542,844.27	Illinois State Checkbook
2022	Transportation	K-Five Construction Corp	$32,530,630.92	Illinois State Checkbook
2019	Revenue	Normal Town Treasurer	$32,517,369.03	Illinois State Checkbook
2017	Revenue	Decatur City Treasurer	$32,486,407.56	Illinois State Checkbook
2023	Revenue	Gurnee Village Treasurer	$32,470,643.79	Illinois State Checkbook
2023	Corrections	M J Kellner Company Inc	$32,457,579.62	Illinois State Checkbook
2017	Transportation	Halverson Construction Co Inc	$32,446,162.33	Illinois State Checkbook
2019	State Board Of Education	West Chicago School Dist 33	$32,437,321.49	Illinois State Checkbook
2025	Il Student Assistance Comm	De Paul University	$32,414,051.00	Illinois State Checkbook
2017	State Board Of Education	Rock Island School Dstrct #41	$32,411,982.43	Illinois State Checkbook
2023	Revenue	Valley View Cusd 365U	$32,401,840.71	Illinois State Checkbook
2021	State Board Of Education	Galesburg Community Unit Schoo	$32,389,445.91	Illinois State Checkbook
2021	Transportation	Dupage County Of	$32,370,330.57	Illinois State Checkbook
2022	Revenue	Addison Village Treasurer	$32,350,092.19	Illinois State Checkbook
2016	Revenue	Waukegan City Treasurer	$32,347,780.66	Illinois State Checkbook
2021	State Board Of Education	Freeport School District 145	$32,344,618.80	Illinois State Checkbook
2016	Healthcare & Family Services	Larabida Childrens Hospital	$32,343,192.62	Illinois State Checkbook