Year	Employer	Vendor Name	Amount	Source
2023	Revenue	Mokena Village Treasurer	$18,813,602.28	Illinois State Checkbook
2024	Healthcare & Family Services	Uhs Of Hartgrove Inc	$18,796,877.30	Illinois State Checkbook
2019	Transportation	Cargill Inc	$18,783,503.97	Illinois State Checkbook
2017	State Board Of Education	Schaumburg Comm Consolidated	$18,780,895.40	Illinois State Checkbook
2020	Environmental Protect Agency	City Of South Beloit	$18,780,354.55	Illinois State Checkbook
2024	Transportation	Valley Construction Company	$18,780,228.10	Illinois State Checkbook
2024	State Board Of Education	Harrisburg Community Unit	$18,778,784.33	Illinois State Checkbook
2021	Healthcare & Family Services	State Of Michigan Dept Of	$18,776,707.60	Illinois State Checkbook
2021	Revenue	Highland Park City Treasurer	$18,775,452.59	Illinois State Checkbook
2022	Healthcare & Family Services	Swedish American Hospital Assn	$18,774,553.47	Illinois State Checkbook
2022	Il Emergency Management Agcy	H R Support Inc	$18,772,020.00	Illinois State Checkbook
2023	Revenue	Bloomingdale Village Treasurer	$18,747,316.95	Illinois State Checkbook
2019	Revenue	Highland Park City Treasurer	$18,736,246.30	Illinois State Checkbook
2022	Human Services	Penta Group Inc	$18,735,540.15	Illinois State Checkbook
2023	Illinois Power Agency	Cohen Ventures Inc	$18,734,965.04	Illinois State Checkbook
2021	Revenue	Pekin City Treasurer	$18,732,535.78	Illinois State Checkbook
2024	Revenue	Evergreen Park Village Treasur	$18,722,236.98	Illinois State Checkbook
2024	State Board Of Education	Mchenry Cmnty Consolidated	$18,721,686.85	Illinois State Checkbook
2023	Revenue	Rosemont Village Treasurer	$18,721,467.53	Illinois State Checkbook
2024	Il Student Assistance Comm	Loyola University Of Chicago	$18,720,846.00	Illinois State Checkbook
2018	Revenue	East Peoria City Treasurer	$18,718,015.78	Illinois State Checkbook
2022	Healthcare & Family Services	N & C Impact Care Solutions	$18,715,141.85	Illinois State Checkbook
2024	Revenue	Loves Park City Treasurer	$18,711,733.19	Illinois State Checkbook
2023	State Board Of Education	Charleston Community Unit	$18,701,928.63	Illinois State Checkbook
2022	Revenue	Mundelein Village Treasurer	$18,697,763.24	Illinois State Checkbook
2022	Revenue	Galesburg City Treasurer	$18,692,511.27	Illinois State Checkbook
2022	Healthcare & Family Services	Presence Saints Mary And	$18,689,147.46	Illinois State Checkbook
2021	Illinois Gaming Board	City Of Des Plaines	$18,688,659.41	Illinois State Checkbook
2024	Human Services	Service Inc Of Illinois	$18,673,261.67	Illinois State Checkbook
2023	Children And Family Services	Il Dept Of Children & Family	$18,670,219.70	Illinois State Checkbook
2023	Human Services	Chestnut Health Systems Inc	$18,668,991.87	Illinois State Checkbook
2024	Children And Family Services	University Of Illinois	$18,666,572.82	Illinois State Checkbook
2019	Transportation	Acura Inc	$18,665,519.80	Illinois State Checkbook
2020	Healthcare & Family Services	Presence Saints Mary And	$18,665,512.53	Illinois State Checkbook
2025	Transportation	Wsp Usa Inc	$18,665,378.12	Illinois State Checkbook
2018	State Board Of Education	Township High School Dist 211	$18,664,030.22	Illinois State Checkbook
2024	State Board Of Education	Beardstown Community Unit	$18,650,603.01	Illinois State Checkbook
2021	Healthcare & Family Services	Saint Anthony Hospital	$18,642,880.17	Illinois State Checkbook
2018	Healthcare & Family Services	Trinity Medical Center	$18,639,741.62	Illinois State Checkbook
2020	Revenue	Melrose Park Village Treasurer	$18,630,159.66	Illinois State Checkbook
2019	Healthcare & Family Services	Siu Physicians & Surgeons Inc	$18,626,074.46	Illinois State Checkbook
2020	State Board Of Education	Ncs Pearson Inc	$18,625,209.36	Illinois State Checkbook
2018	Healthcare & Family Services	Holy Cross Hospital	$18,607,841.91	Illinois State Checkbook
2021	Revenue	Chicago City Comm Coll 508	$18,601,148.37	Illinois State Checkbook
2019	Revenue	Kendall County Treasurer	$18,596,706.12	Illinois State Checkbook
2021	State Board Of Education	Wauconda C U Schl	$18,594,661.28	Illinois State Checkbook
2024	Il Student Assistance Comm	Western Illinois University	$18,584,813.82	Illinois State Checkbook
2018	Healthcare & Family Services	Blue Island Hospital Co Llc	$18,577,739.90	Illinois State Checkbook
2023	Human Services	Beverly Farm Foundation	$18,572,980.62	Illinois State Checkbook
2024	State Board Of Education	Triad Comm Unit Sch Dist 2	$18,572,669.08	Illinois State Checkbook
2025	State Board Of Education	Triad Comm Unit Sch Dist 2	$18,569,506.71	Illinois State Checkbook
2021	Revenue	Educational Svc Region Office	$18,565,550.25	Illinois State Checkbook
2022	State Board Of Education	Charleston Community Unit	$18,560,820.66	Illinois State Checkbook
2020	Healthcare & Family Services	Uhs Of Hartgrove Inc	$18,559,500.73	Illinois State Checkbook
2025	Healthcare & Family Services	Barnes-Jewish Hospital	$18,554,262.62	Illinois State Checkbook
2022	Transportation	Madison County Mass-Transit	$18,553,835.82	Illinois State Checkbook
2021	Revenue	Oswego Village Treasurer	$18,544,123.93	Illinois State Checkbook
2025	Revenue	Shorewood Village Treasurer	$18,539,613.57	Illinois State Checkbook
2023	Transportation	P T Ferro Construction Co Inc	$18,536,067.07	Illinois State Checkbook
2025	Il State Toll Highway Auth	Knight E A Inc	$18,535,916.50	Illinois State Checkbook
2023	Revenue	Mchenry City Treasurer	$18,532,693.13	Illinois State Checkbook
2017	Environmental Protect Agency	City Of Jacksonville	$18,531,393.81	Illinois State Checkbook
2024	Environmental Protect Agency	City Of Batavia	$18,528,224.11	Illinois State Checkbook
2024	Revenue	Woodridge Village Treasurer	$18,527,774.55	Illinois State Checkbook
2021	Transportation	Curran Contracting Company	$18,524,659.01	Illinois State Checkbook
2022	State Board Of Education	Mchenry Cmnty Consolidated	$18,518,880.57	Illinois State Checkbook
2020	Il State Toll Highway Auth	Accenture Llp	$18,515,697.89	Illinois State Checkbook
2024	State Board Of Education	Community Unit School Dist 3	$18,514,719.56	Illinois State Checkbook
2019	Environmental Protect Agency	Village Of Oak Lawn	$18,514,678.73	Illinois State Checkbook
2018	State Board Of Education	Stickney Township School Treas	$18,512,717.06	Illinois State Checkbook
2017	Transportation	Dupage County Of	$18,504,275.32	Illinois State Checkbook
2023	State Board Of Education	Carterville Community School	$18,493,153.09	Illinois State Checkbook
2024	Il State Toll Highway Auth	Accenture Llp	$18,490,395.72	Illinois State Checkbook
2018	Healthcare & Family Services	Vhs Of Illinois Inc	$18,483,419.71	Illinois State Checkbook
2019	Revenue	Melrose Park Village Treasurer	$18,477,229.70	Illinois State Checkbook
2021	Central Management	Universal Protection Svc Lp	$18,470,529.04	Illinois State Checkbook
2024	Transportation	Martin & Co Excavating	$18,470,034.99	Illinois State Checkbook
2020	Aging	Ageoptions Inc	$18,469,848.71	Illinois State Checkbook
2017	Human Services	Community Living Options Inc	$18,468,223.34	Illinois State Checkbook
2020	Revenue	Carol Stream Village Treasurer	$18,451,059.92	Illinois State Checkbook
2017	Healthcare & Family Services	Central Dupage Hospital Assn	$18,440,845.25	Illinois State Checkbook
2019	Transportation	Mccarthy Improvement Co	$18,432,431.63	Illinois State Checkbook
2024	Commerce And Economic Opportun	Kane County	$18,431,760.50	Illinois State Checkbook
2023	Commerce And Economic Opportun	Aero Special Educ Coop	$18,420,737.96	Illinois State Checkbook
2021	Il State Toll Highway Auth	Electronic Transaction	$18,418,550.48	Illinois State Checkbook
2020	Healthcare & Family Services	The Methodist Medical Ctr Il	$18,414,703.76	Illinois State Checkbook
2024	Revenue	Northbrook Vilalge Treasurer	$18,413,343.73	Illinois State Checkbook
2024	Transportation	City Of Springfield	$18,410,568.81	Illinois State Checkbook
2022	Innovation And Technology	Sap Public Services Inc	$18,406,870.60	Illinois State Checkbook
2017	Revenue	Educational Svc Region Office	$18,405,654.13	Illinois State Checkbook
2020	Public Health	Merck Sharp & Dohme Corp	$18,400,859.12	Illinois State Checkbook
2023	Il Law Enforce Train & Stds Bd	Traffic & Crim Conviction Sur	$18,400,000.00	Illinois State Checkbook
2021	Transportation	Walsh Construction Co Ii Llc	$18,386,951.54	Illinois State Checkbook
2023	Healthcare & Family Services	Saint Anthony Hospital	$18,384,481.68	Illinois State Checkbook
2018	State Board Of Education	Mascoutah Community Unit	$18,381,948.01	Illinois State Checkbook
2019	Revenue	Dekalb City Treasurer	$18,374,516.22	Illinois State Checkbook
2020	State Board Of Education	Consolidated Hg Schl Dist 230	$18,373,404.00	Illinois State Checkbook
2025	State Board Of Education	Beardstown Community Unit	$18,371,675.06	Illinois State Checkbook
2021	Human Services	Trilogy Inc	$18,366,296.88	Illinois State Checkbook
2023	Commerce And Economic Opportun	Community Action Partnership	$18,353,366.38	Illinois State Checkbook