Year	Employer	Vendor Name	Amount	Source
2021	State Board Of Education	Kaneland Community Unit School	$12,651,518.99	Illinois State Checkbook
2020	Revenue	Streamwood Village Treasurer	$12,650,214.89	Illinois State Checkbook
2024	State Police	Northwest Central 9-1-1 System	$12,646,343.60	Illinois State Checkbook
2020	Transportation	Cargill Inc	$12,643,315.09	Illinois State Checkbook
2022	Il Student Assistance Comm	Western Illinois University	$12,641,851.91	Illinois State Checkbook
2023	Human Services	Kenneth Young Center	$12,638,859.19	Illinois State Checkbook
2022	State Board Of Education	Association For Child	$12,638,355.01	Illinois State Checkbook
2019	Human Services	Clearbrook	$12,634,323.36	Illinois State Checkbook
2021	Revenue	Frankfort Village Treasurer	$12,632,837.23	Illinois State Checkbook
2021	Revenue	Peru City Treasurer	$12,630,362.27	Illinois State Checkbook
2018	Healthcare & Family Services	Petersen Health Care Ii Inc	$12,626,810.55	Illinois State Checkbook
2021	Human Services	Lutheran Social Services Of Il	$12,623,821.82	Illinois State Checkbook
2023	State Board Of Education	Elmhurst Com Unit Sch Dist 205	$12,622,645.23	Illinois State Checkbook
2018	State Board Of Education	Beach Park Consolidated Schl	$12,620,820.47	Illinois State Checkbook
2024	Environmental Protect Agency	City Of Rockford	$12,619,459.92	Illinois State Checkbook
2024	Revenue	Batavia Village Treasurer	$12,616,843.70	Illinois State Checkbook
2022	Healthcare & Family Services	Ingalls Memorial Hospital	$12,612,628.97	Illinois State Checkbook
2020	Revenue	Lake Zurich Village Treasurer	$12,610,465.67	Illinois State Checkbook
2022	Il Community College Board	Joliet Junior College Icc Dist	$12,609,808.73	Illinois State Checkbook
2018	State Board Of Education	Marion Community Unit Dist 2	$12,608,206.37	Illinois State Checkbook
2020	Transportation	Motorola Solutions Inc	$12,602,112.68	Illinois State Checkbook
2022	Il Community College Board	College Of Lake County	$12,599,636.73	Illinois State Checkbook
2021	Human Services	Family Guidance Centers Inc	$12,599,453.36	Illinois State Checkbook
2023	State Board Of Education	Lasalle Public Elementary	$12,596,354.64	Illinois State Checkbook
2017	Revenue	Mount Vernon City Treasurer	$12,584,615.08	Illinois State Checkbook
2022	Revenue	Countryside City Treasurer	$12,580,264.43	Illinois State Checkbook
2024	Revenue	Ottawa City Treasurer	$12,578,322.36	Illinois State Checkbook
2024	Healthcare & Family Services	Highland Park Cvs Llc	$12,574,169.01	Illinois State Checkbook
2023	Human Services	Marklund Childrens Home Inc	$12,574,142.54	Illinois State Checkbook
2023	Revenue	Crestwood Village Treasurer	$12,573,221.53	Illinois State Checkbook
2017	Transportation	Arrow Road Construction Co	$12,562,784.47	Illinois State Checkbook
2017	Revenue	Bridgeview Village Treasurer	$12,561,783.88	Illinois State Checkbook
2024	Human Services	New Life Centers Chicagoland	$12,560,335.38	Illinois State Checkbook
2021	Corrections	Safer Foundation	$12,560,248.17	Illinois State Checkbook
2021	Aging	Premier Home Health Care	$12,558,880.21	Illinois State Checkbook
2018	State Board Of Education	Calumet Township School Treas	$12,555,134.40	Illinois State Checkbook
2022	Healthcare & Family Services	Northwest Medical Lab Inc	$12,551,359.72	Illinois State Checkbook
2020	Central Management	Morneau Shepell Limited	$12,548,897.51	Illinois State Checkbook
2024	Transportation	Diamond Construction Company	$12,548,822.17	Illinois State Checkbook
2024	Aging	East Central Il Area Agency	$12,548,390.00	Illinois State Checkbook
2022	State Board Of Education	Dixon Unit School District 170	$12,546,582.20	Illinois State Checkbook
2020	Revenue	Evergreen Park Village Treasur	$12,545,900.95	Illinois State Checkbook
2024	Healthcare & Family Services	Accredo Health Group Inc	$12,544,775.81	Illinois State Checkbook
2017	State Board Of Education	Harrisburg Community Unit	$12,544,681.12	Illinois State Checkbook
2024	State Board Of Education	Macomb Cmnty School Dist 185	$12,534,739.86	Illinois State Checkbook
2022	Transportation	Bloomington-Normal Public Tran	$12,532,147.47	Illinois State Checkbook
2023	Revenue	Countryside City Treasurer	$12,528,918.51	Illinois State Checkbook
2019	Il State Toll Highway Auth	Omega & Associates Inc	$12,528,704.30	Illinois State Checkbook
2024	Public Health	Aids Foundation Of Chicago	$12,528,411.53	Illinois State Checkbook
2020	Revenue	Loves Park City Treasurer	$12,528,357.12	Illinois State Checkbook
2017	Revenue	Streamwood Village Treasurer	$12,527,304.47	Illinois State Checkbook
2018	Healthcare & Family Services	Alexian Brothers Medical Ctr	$12,527,041.22	Illinois State Checkbook
2019	Transportation	Lake County	$12,525,892.19	Illinois State Checkbook
2020	Innovation And Technology	Carahsoft Technology Corp	$12,518,457.68	Illinois State Checkbook
2019	Revenue	Streamwood Village Treasurer	$12,517,890.61	Illinois State Checkbook
2017	State Board Of Education	Sycamore Cusd 427	$12,517,149.57	Illinois State Checkbook
2022	Revenue	Regional Office Education 11	$12,512,405.97	Illinois State Checkbook
2019	Il Community College Board	Illinois Eastern Community Col	$12,510,944.83	Illinois State Checkbook
2022	State Board Of Education	Archdiocese Of Chicago Food Sr	$12,510,284.99	Illinois State Checkbook
2023	Revenue	Decatur Public School Dist 61	$12,508,733.91	Illinois State Checkbook
2018	Revenue	Mchenry City Treasurer	$12,505,771.92	Illinois State Checkbook
2019	Revenue	Lake Zurich Village Treasurer	$12,505,660.02	Illinois State Checkbook
2017	State Board Of Education	Richland County Cusd 1	$12,503,584.76	Illinois State Checkbook
2024	Commerce And Economic Opportun	Rockford City Of	$12,502,091.51	Illinois State Checkbook
2018	Transportation	Springfield Mass Transit Dist	$12,500,672.61	Illinois State Checkbook
2022	Revenue	Rolling Meadows City Treasurer	$12,499,749.00	Illinois State Checkbook
2021	State Board Of Education	Lawndale Ed And Reg Network Ch	$12,494,139.27	Illinois State Checkbook
2024	Healthcare & Family Services	Advocate Health Care Network	$12,488,221.90	Illinois State Checkbook
2023	Healthcare & Family Services	City Of Joliet	$12,484,531.04	Illinois State Checkbook
2018	Human Services	Chestnut Health Systems Inc	$12,481,831.86	Illinois State Checkbook
2022	Revenue	Mclean County Treasurer	$12,479,091.81	Illinois State Checkbook
2021	Transportation	Copenhaver Construction Inc	$12,475,736.51	Illinois State Checkbook
2023	State Board Of Education	Highland Community Schls Dist	$12,473,363.36	Illinois State Checkbook
2018	Il State Toll Highway Auth	Walsh Construction Co Ii Llc	$12,467,791.74	Illinois State Checkbook
2022	Revenue	South Elgin Village Treasurer	$12,462,663.79	Illinois State Checkbook
2020	Transportation	Aecom Technical Services Inc	$12,461,223.61	Illinois State Checkbook
2024	Capital Development Board	P J Hoerr Inc	$12,457,930.72	Illinois State Checkbook
2018	State Board Of Education	Triad Comm Unit Sch Dist 2	$12,455,296.71	Illinois State Checkbook
2024	Revenue	Darien City Treasurer	$12,454,056.51	Illinois State Checkbook
2019	Human Services	Chestnut Health Systems Inc	$12,452,703.47	Illinois State Checkbook
2024	Human Services	Prevention First Inc	$12,450,450.34	Illinois State Checkbook
2024	Aging	Medtec Hlthcre & Private	$12,450,165.33	Illinois State Checkbook
2023	Transportation	Transystems Corporation	$12,447,792.42	Illinois State Checkbook
2022	State Board Of Education	Ottawa Elementary School Dist	$12,447,630.49	Illinois State Checkbook
2021	State Board Of Education	Southland College Prep Charter	$12,447,359.71	Illinois State Checkbook
2021	State Board Of Education	Westville Comm Unit School	$12,446,728.85	Illinois State Checkbook
2019	Healthcare & Family Services	Bhc Streamwood Hospital Inc	$12,445,842.94	Illinois State Checkbook
2020	Transportation	Copenhaver Construction Inc	$12,445,789.16	Illinois State Checkbook
2023	State Board Of Education	Batavia Public School	$12,442,555.97	Illinois State Checkbook
2018	Revenue	Alton City Treasurer	$12,438,996.10	Illinois State Checkbook
2023	Transportation	Mccarthy Improvement Co	$12,435,937.28	Illinois State Checkbook
2021	Transportation	Herlihy Mid Continent Company	$12,435,449.79	Illinois State Checkbook
2023	Il Student Assistance Comm	Aurora University	$12,433,762.00	Illinois State Checkbook
2022	Innovation And Technology	Cds Office Systems Inc	$12,432,917.89	Illinois State Checkbook
2024	Aging	Helpsource Of North Shore Inc	$12,432,338.94	Illinois State Checkbook
2024	Commerce And Economic Opportun	Tec Services Consulting Inc	$12,430,368.75	Illinois State Checkbook
2022	State Board Of Education	Effingham Community Unit No 40	$12,427,479.36	Illinois State Checkbook
2023	Healthcare & Family Services	City Of Aurora	$12,426,569.20	Illinois State Checkbook
2019	Revenue	Edwardsville City Treasurer	$12,422,634.25	Illinois State Checkbook
2023	Revenue	Pekin Elem Sd 108	$12,420,087.23	Illinois State Checkbook