Year	Employer	Vendor Name	Amount	Source
2023	State Board Of Education	Massac County Unit Schl Dist 1	$21,134,096.76	Illinois State Checkbook
2020	Healthcare & Family Services	Larabida Childrens Hospital	$21,133,815.92	Illinois State Checkbook
2022	Transportation	Iowa Dept Of Transportation	$21,130,285.08	Illinois State Checkbook
2023	Revenue	Westmont Village Treasurer	$21,122,475.98	Illinois State Checkbook
2021	Transportation	Christ Bros Asphalt Inc	$21,121,748.33	Illinois State Checkbook
2021	Revenue	Kendall County Treasurer	$21,112,577.14	Illinois State Checkbook
2019	Healthcare & Family Services	Swedish American Hospital Assn	$21,103,009.62	Illinois State Checkbook
2019	Il State Toll Highway Auth	Commonwealth Edison Company	$21,063,156.71	Illinois State Checkbook
2022	State Board Of Education	Frankfort Community Unit	$21,051,307.15	Illinois State Checkbook
2023	Transportation	R W Dunteman Company	$21,035,367.99	Illinois State Checkbook
2021	Transportation	Open Road Paving Company Llc	$21,026,928.58	Illinois State Checkbook
2023	Human Services	Envision Unlimited	$21,026,382.61	Illinois State Checkbook
2019	Revenue	Danville City Treasurer	$21,000,037.13	Illinois State Checkbook
2023	Transportation	Arrow Road Construction Co	$20,999,017.33	Illinois State Checkbook
2021	Environmental Protect Agency	City Of East Peoria	$20,998,667.59	Illinois State Checkbook
2018	State Board Of Education	Belleville Township High	$20,994,358.75	Illinois State Checkbook
2020	Corrections	Cdw Llc	$20,993,281.19	Illinois State Checkbook
2021	Corrections	M J Kellner Company Inc	$20,987,269.38	Illinois State Checkbook
2023	Commerce And Economic Opportun	Rockford City Of	$20,973,209.03	Illinois State Checkbook
2021	Revenue	Buffalo Grove Village Treasure	$20,941,974.29	Illinois State Checkbook
2022	Transportation	University Of Illinois	$20,939,824.18	Illinois State Checkbook
2023	Comptroller	Employment Security Dept Of	$20,924,720.79	Illinois State Checkbook
2022	Revenue	Urbana City Treasurer	$20,924,437.92	Illinois State Checkbook
2021	State Board Of Education	East Moline School District 37	$20,866,150.53	Illinois State Checkbook
2022	Revenue	Carpentersville Vlg Treasurer	$20,865,517.31	Illinois State Checkbook
2017	Healthcare & Family Services	St Bernard Hospital	$20,857,201.26	Illinois State Checkbook
2023	Revenue	Bradley Village Treasurer	$20,854,658.72	Illinois State Checkbook
2019	State Board Of Education	Yorkville Comm Unit Dist 115	$20,846,906.94	Illinois State Checkbook
2022	Commerce And Economic Opportun	Chicago City Of	$20,845,563.71	Illinois State Checkbook
2018	Human Services	Hoosier Care Inc	$20,845,018.17	Illinois State Checkbook
2019	Aging	Gareda Llc	$20,837,203.99	Illinois State Checkbook
2020	Aging	Northeastern Illinois Area	$20,835,811.00	Illinois State Checkbook
2022	Revenue	Cook County Treasurer Income T	$20,831,211.99	Illinois State Checkbook
2017	Transportation	Walsh Construction Co Ii Llc	$20,819,762.69	Illinois State Checkbook
2023	State Board Of Education	Oak Park School District 97	$20,792,474.51	Illinois State Checkbook
2022	State Board Of Education	Consolidated Hg Schl Dist 230	$20,777,525.38	Illinois State Checkbook
2019	Revenue	Peoria County Treasurer	$20,771,588.66	Illinois State Checkbook
2019	Transportation	Berger Excavating Contractors	$20,754,703.54	Illinois State Checkbook
2023	State Board Of Education	Grayslake Community High Schl	$20,751,770.79	Illinois State Checkbook
2022	Central Management	Universal Protection Svc Lp	$20,722,769.45	Illinois State Checkbook
2023	Innovation And Technology	Cds Office Systems Inc	$20,721,513.50	Illinois State Checkbook
2021	State Board Of Education	Board Of Education	$20,711,501.00	Illinois State Checkbook
2022	Human Services	Trilogy Inc	$20,700,084.80	Illinois State Checkbook
2021	Revenue	Hoffman Estates Vlg Treasurer	$20,689,239.72	Illinois State Checkbook
2023	Revenue	Mundelein Village Treasurer	$20,677,255.25	Illinois State Checkbook
2022	State Board Of Education	Herrin Community Unit School	$20,676,221.13	Illinois State Checkbook
2023	Healthcare & Family Services	Cnsi Holdings Llc	$20,673,467.42	Illinois State Checkbook
2017	Healthcare & Family Services	Blessing Hospital	$20,673,147.37	Illinois State Checkbook
2023	State Board Of Education	Beardstown Community Unit	$20,671,421.84	Illinois State Checkbook
2020	Il Community College Board	Community College Dist 502	$20,659,607.96	Illinois State Checkbook
2018	Healthcare & Family Services	St Bernard Hospital	$20,638,694.24	Illinois State Checkbook
2019	State Board Of Education	Township High School Dist 211	$20,612,701.54	Illinois State Checkbook
2023	Revenue	Wheeling Village Treasurer	$20,610,835.84	Illinois State Checkbook
2022	Aging	Northeastern Illinois Area	$20,607,918.02	Illinois State Checkbook
2021	State Board Of Education	Pekin Public School District 1	$20,596,952.29	Illinois State Checkbook
2023	Revenue	Fairview Heights City Treasure	$20,586,219.25	Illinois State Checkbook
2019	State Board Of Education	Stickney Township School Treas	$20,577,339.02	Illinois State Checkbook
2020	Healthcare & Family Services	Chicago City Of	$20,574,181.32	Illinois State Checkbook
2021	Agriculture	University Of Illinois	$20,573,205.00	Illinois State Checkbook
2021	Il State Toll Highway Auth	Wsp Usa Inc	$20,564,260.81	Illinois State Checkbook
2021	Revenue	Collinsville City Treasurer	$20,562,531.97	Illinois State Checkbook
2022	Revenue	Ofallon City Treasurer	$20,560,600.64	Illinois State Checkbook
2020	Transportation	Southern Illinois Asphalt Co I	$20,535,978.61	Illinois State Checkbook
2017	Human Services	Hoosier Care Inc	$20,529,581.77	Illinois State Checkbook
2020	Il State Toll Highway Auth	Wsp Usa Inc	$20,518,312.64	Illinois State Checkbook
2023	Revenue	J S Morton Twp Hs 201	$20,516,004.55	Illinois State Checkbook
2021	Revenue	Lombard Village Treasurer	$20,502,224.09	Illinois State Checkbook
2020	Revenue	Sycamore City Treasurer	$20,476,257.28	Illinois State Checkbook
2020	Human Services	Illinois Network Of Child Care	$20,463,971.98	Illinois State Checkbook
2022	Revenue	Fairview Heights City Treasure	$20,459,205.60	Illinois State Checkbook
2021	Healthcare & Family Services	Favorite Healthcare Staffing	$20,452,815.68	Illinois State Checkbook
2023	Aging	Care For Soul Inc	$20,403,808.35	Illinois State Checkbook
2020	Transportation	Martam Const Inc	$20,396,379.65	Illinois State Checkbook
2018	Revenue	Rockford Board Of Education	$20,387,121.71	Illinois State Checkbook
2021	State Board Of Education	Crystal Lake Community	$20,371,419.89	Illinois State Checkbook
2020	Transportation	Civil Constructors Inc Of Il	$20,361,592.29	Illinois State Checkbook
2017	Transportation	Southern Illinois Asphalt Co I	$20,339,228.09	Illinois State Checkbook
2021	Healthcare & Family Services	Quest Diagnostics Llc	$20,335,434.91	Illinois State Checkbook
2022	Il State Toll Highway Auth	Hntb Corp	$20,334,568.09	Illinois State Checkbook
2022	Healthcare & Family Services	Memorial Medical Center	$20,324,436.55	Illinois State Checkbook
2018	Revenue	Danville City Treasurer	$20,304,676.13	Illinois State Checkbook
2022	State Board Of Education	Bethalto Unit No 8	$20,291,040.14	Illinois State Checkbook
2021	Revenue	Melrose Park Village Treasurer	$20,285,471.02	Illinois State Checkbook
2020	Revenue	Peoria County Treasurer	$20,274,594.43	Illinois State Checkbook
2017	Il Emergency Management Agcy	Cook County	$20,249,357.43	Illinois State Checkbook
2021	Human Services	Beverly Farm Foundation	$20,237,855.40	Illinois State Checkbook
2022	Revenue	Waukegan Cusd 60	$20,210,762.63	Illinois State Checkbook
2022	State Board Of Education	Edwardsville Community Unit	$20,203,722.01	Illinois State Checkbook
2020	Revenue	Belleville City Treasurer	$20,200,065.63	Illinois State Checkbook
2022	Revenue	Calumet City Treasurer	$20,193,684.79	Illinois State Checkbook
2020	State Board Of Education	Mattoon Community School	$20,182,542.68	Illinois State Checkbook
2017	University Of Illinois	Illinois Dept Of Healthcare	$20,177,300.00	Illinois State Checkbook
2021	State Board Of Education	Minooka Community Consolidated	$20,176,372.39	Illinois State Checkbook
2021	State Board Of Education	Edwardsville Community Unit	$20,157,999.09	Illinois State Checkbook
2022	Central Management	Aetna Life Insurance Co	$20,142,812.85	Illinois State Checkbook
2022	Revenue	Westmont Village Treasurer	$20,136,899.41	Illinois State Checkbook
2023	Il State Toll Highway Auth	The George Sollitt Constr Co	$20,127,628.19	Illinois State Checkbook
2022	State Board Of Education	Elmwood Park Cusd 401	$20,120,535.63	Illinois State Checkbook
2021	Il Student Assistance Comm	De Paul University	$20,113,023.02	Illinois State Checkbook
2018	Revenue	Peoria County Treasurer	$20,111,179.71	Illinois State Checkbook