Year	Employer	Vendor Name	Amount	Source
2020	Secretary Of State	International Registration	$72,970,035.61	Illinois State Checkbook
2022	Environmental Protect Agency	Chicago City Of	$72,904,462.97	Illinois State Checkbook
2021	State Board Of Education	Indian Prairie Community Unit	$72,881,539.32	Illinois State Checkbook
2019	Revenue	Aurora City Treasurer	$72,876,045.32	Illinois State Checkbook
2018	State Board Of Education	Community Unit School Dist 300	$72,650,523.67	Illinois State Checkbook
2023	Transportation	Howell Paving Inc	$72,648,017.40	Illinois State Checkbook
2020	State Board Of Education	Wheeling Township Schools	$72,404,293.33	Illinois State Checkbook
2018	State Lottery	Camelot Global Svcs Inc	$72,366,241.58	Illinois State Checkbook
2020	Transportation	Howell Paving Inc	$72,008,399.16	Illinois State Checkbook
2023	Il Sports Facilities Auth	Illinois Sports Facilities	$71,974,000.00	Illinois State Checkbook
2019	Revenue	Joliet City Treasurer	$71,882,867.07	Illinois State Checkbook
2021	Revenue	Rockford City Comptroller	$71,859,043.71	Illinois State Checkbook
2023	Il Community College Board	Board Of Ttees Comm Coll Dist	$71,841,617.99	Illinois State Checkbook
2020	Healthcare & Family Services	Aetna Better Health Inc	$71,803,462.48	Illinois State Checkbook
2022	Human Services	Chicago Alliance To End Hmlsns	$71,521,254.72	Illinois State Checkbook
2017	Revenue	Aurora City Treasurer	$71,452,166.54	Illinois State Checkbook
2023	Il Emergency Management Agcy	State Of Illinois Emergency	$71,375,895.85	Illinois State Checkbook
2023	Revenue	Kane County Treasurer	$71,323,763.34	Illinois State Checkbook
2019	Il State Toll Highway Auth	Plote Construction Inc &	$71,192,488.50	Illinois State Checkbook
2023	State Board Of Education	Danville Community Consolidate	$71,130,737.86	Illinois State Checkbook
2022	State Board Of Education	Maine Twp School Treasurer	$71,006,088.47	Illinois State Checkbook
2019	Transportation	Iowa Dept Of Transportation	$70,811,613.40	Illinois State Checkbook
2023	Corrections	State Of Il-Corrections	$70,365,081.35	Illinois State Checkbook
2023	Transportation	Walsh Construction Co Ii Llc	$70,350,938.84	Illinois State Checkbook
2018	Revenue	Aurora City Treasurer	$70,255,445.26	Illinois State Checkbook
2023	Healthcare & Family Services	Rush University Medical Center	$70,244,760.29	Illinois State Checkbook
2019	Revenue	Naperville City Treasurer	$70,241,117.54	Illinois State Checkbook
2022	Corrections	State Of Il-Corrections	$70,101,357.79	Illinois State Checkbook
2019	State Board Of Education	School District 131	$70,044,185.85	Illinois State Checkbook
2022	Commerce And Economic Opportun	Illinois Dept Of Commerce &	$70,000,000.00	Illinois State Checkbook
2017	State Board Of Education	Board Of Educatn Schl Dist 189	$69,692,335.23	Illinois State Checkbook
2023	State Board Of Education	Kankakee School Dist 111	$69,659,293.03	Illinois State Checkbook
2020	Healthcare & Family Services	Mount Sinai Hosp Medical Ctr	$69,645,125.54	Illinois State Checkbook
2018	Revenue	Joliet City Treasurer	$69,338,898.37	Illinois State Checkbook
2021	Environmental Protect Agency	Illinois Envrnmntl Prot Agency	$69,266,285.06	Illinois State Checkbook
2023	Revenue	Bloomington City Treasurer	$69,204,378.55	Illinois State Checkbook
2021	Revenue	Peoria City Treasurer	$68,887,101.82	Illinois State Checkbook
2019	State Board Of Education	Valley View Public Schools	$68,653,922.64	Illinois State Checkbook
2020	Revenue	Will County Treasurer	$68,503,604.96	Illinois State Checkbook
2023	State Board Of Education	Community Consolidated School	$68,395,448.31	Illinois State Checkbook
2019	Central Management	Tristar Risk Enterprise Mgt	$68,352,000.00	Illinois State Checkbook
2023	State Board Of Education	Maine Twp School Treasurer	$68,163,567.91	Illinois State Checkbook
2018	State Board Of Education	Valley View Public Schools	$68,103,125.13	Illinois State Checkbook
2020	Healthcare & Family Services	Walgreens Company	$68,071,314.72	Illinois State Checkbook
2022	State Board Of Education	Community Consolidated School	$68,023,227.45	Illinois State Checkbook
2020	Innovation And Technology	Deloitte Consulting Llp	$67,875,563.11	Illinois State Checkbook
2023	Healthcare & Family Services	Deloitte Consulting Llp	$67,851,832.61	Illinois State Checkbook
2017	State Board Of Education	Community Unit School Dist 308	$67,759,102.29	Illinois State Checkbook
2017	Healthcare & Family Services	University Of Chicago Hospital	$67,749,491.58	Illinois State Checkbook
2018	Healthcare & Family Services	Memorial Medical Center	$67,697,436.87	Illinois State Checkbook
2023	Revenue	Champaign City Treasurer	$67,641,438.37	Illinois State Checkbook
2017	Il State Toll Highway Auth	Lorig Construction Company	$67,495,802.60	Illinois State Checkbook
2022	Revenue	Kane County Treasurer	$67,334,597.02	Illinois State Checkbook
2022	Il Sports Facilities Auth	Illinois Sports Facilities	$67,300,000.00	Illinois State Checkbook
2022	State Board Of Education	Kankakee School Dist 111	$66,954,608.48	Illinois State Checkbook
2020	State Board Of Education	Indian Prairie Community Unit	$66,946,970.32	Illinois State Checkbook
2022	Transportation	Howell Paving Inc	$66,934,199.67	Illinois State Checkbook
2017	Revenue	Joliet City Treasurer	$66,819,943.93	Illinois State Checkbook
2019	Revenue	Rockford City Comptroller	$66,773,448.00	Illinois State Checkbook
2017	State Board Of Education	Decatur Public School Dist 61	$66,755,481.31	Illinois State Checkbook
2022	Revenue	Rockford Board Of Education	$66,747,956.69	Illinois State Checkbook
2019	Transportation	Chicago City Treasurer	$66,607,911.23	Illinois State Checkbook
2023	Transportation	Advanced Asphalt Company	$66,570,095.93	Illinois State Checkbook
2017	State Board Of Education	Lyons Twp School Treasurer	$66,369,169.37	Illinois State Checkbook
2020	Revenue	Rockford City Comptroller	$66,329,917.73	Illinois State Checkbook
2017	Healthcare & Family Services	Ann & Robert H Lurie Childrens	$66,324,296.74	Illinois State Checkbook
2021	Healthcare & Family Services	Chicago City Of	$66,157,325.06	Illinois State Checkbook
2023	Il Emergency Management Agcy	Chicago City Of	$66,149,634.64	Illinois State Checkbook
2018	State Board Of Education	Thornton Fractional Twp School	$66,141,978.14	Illinois State Checkbook
2023	Revenue	Elgin City Treasurer	$66,107,502.81	Illinois State Checkbook
2023	Healthcare & Family Services	Northwestern Memorial Hospital	$66,047,593.29	Illinois State Checkbook
2019	State Board Of Education	Round Lake Area Schools Distri	$65,824,918.84	Illinois State Checkbook
2017	State Board Of Education	Springfield School Dist 186	$65,766,761.37	Illinois State Checkbook
2017	State Board Of Education	Regional Office Of Educ 54	$65,529,506.12	Illinois State Checkbook
2022	State Board Of Education	Dekalb Community Unit School	$65,529,394.62	Illinois State Checkbook
2018	State Board Of Education	Cook County High School Dist	$65,270,939.07	Illinois State Checkbook
2017	Human Services	The Catholic Charities Of The	$65,158,199.94	Illinois State Checkbook
2021	Healthcare & Family Services	Saint Francis Medical Center	$65,075,260.56	Illinois State Checkbook
2018	Healthcare & Family Services	Rush University Medical Center	$65,075,108.91	Illinois State Checkbook
2017	Transportation	E T Simonds Construction Co	$64,999,578.84	Illinois State Checkbook
2019	Revenue	Peoria City Treasurer	$64,923,227.47	Illinois State Checkbook
2022	Comptroller	State Employees Retirement Sys	$64,919,775.88	Illinois State Checkbook
2020	Revenue	Village Of Schaumburg	$64,897,787.02	Illinois State Checkbook
2023	Supreme Court	Cook County	$64,894,883.34	Illinois State Checkbook
2019	Revenue	Village Of Schaumburg	$64,883,961.48	Illinois State Checkbook
2020	Transportation	The Kilian Corporation	$64,809,306.98	Illinois State Checkbook
2020	Revenue	Peoria City Treasurer	$64,634,177.77	Illinois State Checkbook
2022	Revenue	Champaign City Treasurer	$64,461,944.54	Illinois State Checkbook
2017	Revenue	Village Of Schaumburg	$64,370,856.29	Illinois State Checkbook
2018	Revenue	Village Of Schaumburg	$64,158,328.99	Illinois State Checkbook
2022	Revenue	Bloomington City Treasurer	$64,136,729.64	Illinois State Checkbook
2020	Transportation	Lorig Construction Company	$64,115,756.09	Illinois State Checkbook
2020	Human Services	The Catholic Charities Of The	$64,109,184.59	Illinois State Checkbook
2017	Healthcare & Family Services	Presence Central And Suburban	$63,932,472.51	Illinois State Checkbook
2021	Environmental Protect Agency	Metropolitan Water Reclamation	$63,833,500.00	Illinois State Checkbook
2017	State Board Of Education	Community Unit School Dist 300	$63,818,575.30	Illinois State Checkbook
2019	Revenue	Will County Treasurer	$63,479,705.69	Illinois State Checkbook
2019	Revenue	Illinois Housing Dev Authority	$63,430,375.24	Illinois State Checkbook
2018	Revenue	Naperville City Treasurer	$63,362,527.83	Illinois State Checkbook
2022	State Board Of Education	Danville Community Consolidate	$63,333,994.54	Illinois State Checkbook