Year	Employer	Vendor Name	Amount	Source
2024	State Board Of Education	Mt Vernon Township High School	$11,755,653.74	Illinois State Checkbook
2018	Transportation	Acura Inc	$11,755,398.52	Illinois State Checkbook
2023	Healthcare & Family Services	Maxim Healthcare Services Inc	$11,755,131.49	Illinois State Checkbook
2017	Healthcare & Family Services	Osf Multi-specialty Group	$11,754,243.95	Illinois State Checkbook
2016	Healthcare & Family Services	Presence Saint Joseph Hospital	$11,754,129.98	Illinois State Checkbook
2019	Revenue	Evergreen Park Village Treasur	$11,753,690.40	Illinois State Checkbook
2020	Transportation	Acura Inc	$11,752,608.80	Illinois State Checkbook
2021	Revenue	Montgomery Village Treasurer	$11,751,110.76	Illinois State Checkbook
2019	State Board Of Education	Community Unit School Dist 3	$11,747,862.72	Illinois State Checkbook
2023	Revenue	Jacksonville City Treasurer	$11,745,362.81	Illinois State Checkbook
2019	Healthcare & Family Services	St Bernard Hospital	$11,745,111.44	Illinois State Checkbook
2023	Revenue	Erie Cusd 1	$11,742,900.89	Illinois State Checkbook
2018	Commerce And Economic Opportun	Wpp Group Usa Inc	$11,738,780.97	Illinois State Checkbook
2023	Revenue	Proviso Township School Treasu	$11,738,029.21	Illinois State Checkbook
2024	Revenue	Chicago Ridge Village Treasure	$11,731,971.87	Illinois State Checkbook
2025	Revenue	Cook County Forest Preserve	$11,731,344.69	Illinois State Checkbook
2017	State Board Of Education	Pekin Public School District 1	$11,730,607.82	Illinois State Checkbook
2022	Commerce And Economic Opportun	Dupage County	$11,729,497.75	Illinois State Checkbook
2025	Revenue	Peoria County Regional Office	$11,727,415.64	Illinois State Checkbook
2025	Revenue	Chicago Ridge Village Treasure	$11,726,816.89	Illinois State Checkbook
2017	Healthcare & Family Services	Siu Physicians & Surgeons Inc	$11,726,410.33	Illinois State Checkbook
2022	Commerce And Economic Opportun	Cefs Economic Opport Corp	$11,725,546.36	Illinois State Checkbook
2024	Revenue	Adams County Treasurer	$11,721,007.89	Illinois State Checkbook
2024	State Board Of Education	Lawndale Ed And Reg Network Ch	$11,720,761.95	Illinois State Checkbook
2022	State Board Of Education	North Boone Community Unit	$11,717,939.65	Illinois State Checkbook
2022	Il Student Assistance Comm	Board Of Ttees Comm Coll Dist	$11,717,642.00	Illinois State Checkbook
2024	Healthcare & Family Services	Saint Anthony Medical Center	$11,711,630.35	Illinois State Checkbook
2025	Revenue	Bridgeview Finance Corp	$11,711,049.89	Illinois State Checkbook
2023	Revenue	Chicago Ridge Village Treasure	$11,708,253.73	Illinois State Checkbook
2021	Healthcare & Family Services	Northern Illinois Medical Ctr	$11,706,735.05	Illinois State Checkbook
2019	Revenue	Peoria Unit Sch 150	$11,700,926.11	Illinois State Checkbook
2023	State Board Of Education	Lincoln Elementary School	$11,700,439.76	Illinois State Checkbook
2024	Il Community College Board	Elgin Community College	$11,698,379.03	Illinois State Checkbook
2021	Revenue	Effingham City Treasurer	$11,697,974.73	Illinois State Checkbook
2022	Transportation	Copenhaver Construction Inc	$11,696,878.54	Illinois State Checkbook
2019	Human Services	Illinois Network Of Child Care	$11,695,637.71	Illinois State Checkbook
2021	Healthcare & Family Services	Access Community Health	$11,693,077.58	Illinois State Checkbook
2025	Illinois Gaming Board	Joliet City Treasurer	$11,692,949.93	Illinois State Checkbook
2021	Commerce And Economic Opportun	Okeefe Reinhard & Paul Llc	$11,692,309.38	Illinois State Checkbook
2018	Teachers' Pens & Retire Sys, C	Public School Teachers Pension	$11,692,000.00	Illinois State Checkbook
2016	Revenue	Bensenville Village Treasurer	$11,691,846.13	Illinois State Checkbook
2024	State Board Of Education	Batavia Public School	$11,690,460.94	Illinois State Checkbook
2022	Revenue	Wilmette Village Treasurer	$11,689,853.95	Illinois State Checkbook
2019	Revenue	Shorewood Village Treasurer	$11,689,416.80	Illinois State Checkbook
2024	State Board Of Education	Vandalia Community High School	$11,684,159.15	Illinois State Checkbook
2018	Il Community College Board	Illinois Eastern Community Col	$11,682,576.12	Illinois State Checkbook
2020	Revenue	Edwardsville City Treasurer	$11,681,986.64	Illinois State Checkbook
2022	State Board Of Education	Bradley Bourbonnais Community	$11,675,800.61	Illinois State Checkbook
2021	Transportation	Builders Paving Llc	$11,674,128.59	Illinois State Checkbook
2017	State Board Of Education	Palos Twp School Treasurer	$11,673,657.78	Illinois State Checkbook
2016	State Board Of Education	Marion Community Unit Dist 2	$11,673,040.41	Illinois State Checkbook
2017	Il State Toll Highway Auth	Dunnet Bay Construction Co	$11,672,844.90	Illinois State Checkbook
2021	Healthcare & Family Services	Springfield Clinic Llp	$11,666,713.16	Illinois State Checkbook
2022	State Board Of Education	Kirby School Dist 140	$11,665,777.54	Illinois State Checkbook
2021	State Board Of Education	Villa Park School Dist 45	$11,663,743.75	Illinois State Checkbook
2023	State Board Of Education	Meridian Community Unit Dist	$11,662,284.09	Illinois State Checkbook
2022	State Board Of Education	Auburn Cusd 10	$11,661,518.64	Illinois State Checkbook
2024	Commerce And Economic Opportun	Lake County	$11,660,017.56	Illinois State Checkbook
2023	Healthcare & Family Services	Uhs Of Hartgrove Inc	$11,659,747.70	Illinois State Checkbook
2023	Commerce And Economic Opportun	Project Now Inc	$11,659,180.59	Illinois State Checkbook
2018	Human Services	Clearbrook	$11,659,023.45	Illinois State Checkbook
2019	Healthcare & Family Services	Rockford Memorial Hospital	$11,657,475.10	Illinois State Checkbook
2025	Revenue	Chicago Heights City Treasurer	$11,651,758.47	Illinois State Checkbook
2019	Healthcare & Family Services	St Louis Childrens Hospital	$11,649,387.35	Illinois State Checkbook
2025	State Board Of Education	Rochester Community Unit Schl	$11,647,582.07	Illinois State Checkbook
2017	Environmental Protect Agency	City Of Joliet	$11,646,077.96	Illinois State Checkbook
2021	State Board Of Education	Ottawa Elementary School Dist	$11,645,919.65	Illinois State Checkbook
2025	Public Health	South Shore Hospital Corp	$11,645,360.00	Illinois State Checkbook
2021	Human Services	Community Alternative Unltd	$11,643,125.77	Illinois State Checkbook
2019	Il State Toll Highway Auth	Stenstrom General Cntrctr-	$11,637,659.86	Illinois State Checkbook
2016	Revenue	Peoria Unit Sch 150	$11,636,486.70	Illinois State Checkbook
2024	Healthcare & Family Services	Rehabtech Supply Corporation	$11,636,118.47	Illinois State Checkbook
2025	Revenue	Franklin Park Village Treasure	$11,634,357.81	Illinois State Checkbook
2018	Healthcare & Family Services	Little Company Of Mary Hosp	$11,633,643.40	Illinois State Checkbook
2021	Commerce And Economic Opportun	Chicago Community Loan Fund	$11,625,000.00	Illinois State Checkbook
2020	Transportation	Kenny Construction Company	$11,623,769.79	Illinois State Checkbook
2024	State Board Of Education	County Of Grundy Schl Dist 111	$11,623,748.00	Illinois State Checkbook
2017	Human Services	Marklund Childrens Home Inc	$11,623,537.97	Illinois State Checkbook
2025	Il Community College Board	John A Logan College	$11,621,574.53	Illinois State Checkbook
2024	State Board Of Education	Wabash Community Unit School	$11,620,809.54	Illinois State Checkbook
2023	State Board Of Education	College Entrance Exam Board	$11,617,072.00	Illinois State Checkbook
2020	Healthcare & Family Services	Advocate Health Care Network	$11,612,677.68	Illinois State Checkbook
2025	State Board Of Education	County Of Grundy Schl Dist 111	$11,612,577.63	Illinois State Checkbook
2023	Healthcare & Family Services	Copley Memorial Hospital Inc	$11,609,385.35	Illinois State Checkbook
2021	Revenue	Glen Ellyn Village Treasurer	$11,607,271.34	Illinois State Checkbook
2020	State Board Of Education	Auburn Cusd 10	$11,603,164.15	Illinois State Checkbook
2018	Judges Retirement System	Il State Board Of Investment	$11,600,000.00	Illinois State Checkbook
2019	Revenue	Norridge Village Treasurer	$11,595,308.21	Illinois State Checkbook
2022	State Board Of Education	New Lenox School District 122	$11,593,709.01	Illinois State Checkbook
2022	Revenue	Thornton Twp Hs 205	$11,593,173.83	Illinois State Checkbook
2019	Revenue	Park Ridge City Treasurer	$11,591,421.30	Illinois State Checkbook
2019	Employment Security	Employment Security Dept Of	$11,588,377.72	Illinois State Checkbook
2018	Healthcare & Family Services	Unlimited Development Inc	$11,587,831.71	Illinois State Checkbook
2025	Revenue	Roselle Village Treasurer	$11,587,683.69	Illinois State Checkbook
2021	Human Services	Liberty Healthcare Corporation	$11,587,283.72	Illinois State Checkbook
2025	Revenue	Wood Dale Village Treasurer	$11,580,767.41	Illinois State Checkbook
2017	Healthcare & Family Services	Maxim Healthcare Services Inc	$11,578,223.44	Illinois State Checkbook
2025	Healthcare & Family Services	Renaissance And Success Nb	$11,575,144.21	Illinois State Checkbook
2023	Corrections	Favorite Healthcare Staffing	$11,574,856.04	Illinois State Checkbook
2017	Capital Development Board	Wayne City Community Unit Scho	$11,574,023.60	Illinois State Checkbook