Year	Employer	Vendor Name	Amount	Source
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
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
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
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
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
2017	State Board Of Education	Harrisburg Community Unit	$12,544,681.12	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
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
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
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
2018	State Board Of Education	Triad Comm Unit Sch Dist 2	$12,455,296.71	Illinois State Checkbook
2019	Human Services	Chestnut Health Systems Inc	$12,452,703.47	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
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
2020	Revenue	Freeport City Treasurer	$12,419,088.82	Illinois State Checkbook
2021	Il Community College Board	College Of Lake County	$12,417,044.41	Illinois State Checkbook
2017	Healthcare & Family Services	Carle Health Care Inc	$12,409,136.80	Illinois State Checkbook
2022	Healthcare & Family Services	City Of Joliet	$12,407,768.09	Illinois State Checkbook
2017	Corrections	University Of Illinois	$12,400,785.16	Illinois State Checkbook
2020	State Board Of Education	Kaneland Community Unit School	$12,399,010.50	Illinois State Checkbook
2020	State Board Of Education	Eastern Illinois Area Special	$12,397,225.11	Illinois State Checkbook
2023	Revenue	Belvidere City Treasurer	$12,388,630.93	Illinois State Checkbook
2023	State Board Of Education	Westville Comm Unit School	$12,388,105.66	Illinois State Checkbook
2017	Transportation	Aecom Technical Services Inc	$12,387,703.38	Illinois State Checkbook
2021	Transportation	St Clair County Of	$12,386,756.24	Illinois State Checkbook
2018	Revenue	Chicago City Comm Coll 508	$12,384,068.19	Illinois State Checkbook
2023	State Board Of Education	Kaneland Community Unit School	$12,383,777.32	Illinois State Checkbook
2020	State Board Of Education	Bond County Community Unit	$12,382,911.07	Illinois State Checkbook
2022	Commerce And Economic Opportun	Champaign County	$12,371,522.86	Illinois State Checkbook
2022	Corrections	Safer Foundation	$12,369,701.92	Illinois State Checkbook
2023	Human Services	Cardinal Health Inc	$12,368,539.07	Illinois State Checkbook
2017	Healthcare & Family Services	Cgh Medical Center	$12,363,982.70	Illinois State Checkbook
2017	Revenue	Cook County Treasurer Income T	$12,362,397.13	Illinois State Checkbook
2017	Transportation	Greater Peoria Mass Transit	$12,362,144.87	Illinois State Checkbook
2022	Revenue	Crestwood Village Treasurer	$12,361,752.23	Illinois State Checkbook
2018	Revenue	Lake Zurich Village Treasurer	$12,359,969.69	Illinois State Checkbook
2023	Transportation	Greater Rockford Airport Auth	$12,356,237.07	Illinois State Checkbook
2017	Human Services	Gateway Foundation Inc	$12,356,047.69	Illinois State Checkbook
2023	Revenue	Washington City Treasurer	$12,355,642.61	Illinois State Checkbook
2022	State Board Of Education	Mchenry Community High School	$12,355,041.59	Illinois State Checkbook