Year	Employer	Vendor Name	Amount	Source
2018	State Board Of Education	Wauconda C U Schl	$15,258,612.20	Illinois State Checkbook
2021	State Board Of Education	College Entrance Exam Board	$15,258,555.29	Illinois State Checkbook
2022	Revenue	Freeport City Treasurer	$15,257,115.58	Illinois State Checkbook
2020	State Board Of Education	Glenbard Township High School	$15,245,447.36	Illinois State Checkbook
2022	State Board Of Education	Beardstown Community Unit	$15,245,107.53	Illinois State Checkbook
2018	State Board Of Education	School Assn For Special Educ	$15,235,377.67	Illinois State Checkbook
2023	Revenue	Frankfort Village Treasurer	$15,234,275.08	Illinois State Checkbook
2021	Revenue	Wheeling Village Treasurer	$15,234,003.27	Illinois State Checkbook
2022	Revenue	Bensenville Village Treasurer	$15,221,892.67	Illinois State Checkbook
2023	Revenue	West Chicago City Treasurer	$15,206,503.24	Illinois State Checkbook
2019	Healthcare & Family Services	Waukegan Illinois Hosp Co Llc	$15,195,402.88	Illinois State Checkbook
2020	Human Services	Frances House Inc	$15,183,915.08	Illinois State Checkbook
2021	Central Management	Morneau Shepell Limited	$15,182,817.73	Illinois State Checkbook
2020	Healthcare & Family Services	Rml Health Providers Ltd Ptshp	$15,178,307.70	Illinois State Checkbook
2018	Revenue	Wheeling Village Treasurer	$15,173,857.05	Illinois State Checkbook
2018	State Board Of Education	Pekin Public School District 1	$15,165,543.39	Illinois State Checkbook
2022	Healthcare & Family Services	Humboldt Park Health	$15,152,914.60	Illinois State Checkbook
2019	Il State Toll Highway Auth	Cook County	$15,150,218.00	Illinois State Checkbook
2023	State Board Of Education	Warren Township High School	$15,149,733.58	Illinois State Checkbook
2022	Revenue	Village Of Homer Glen	$15,134,366.18	Illinois State Checkbook
2019	Healthcare & Family Services	Norwegian American Hosp Inc	$15,130,406.97	Illinois State Checkbook
2021	Revenue	Fairview Heights City Treasure	$15,126,760.98	Illinois State Checkbook
2021	Transportation	Charles E Mahoney Co	$15,124,856.87	Illinois State Checkbook
2022	Revenue	Maine Township High School 207	$15,124,496.45	Illinois State Checkbook
2021	State Board Of Education	Triad Comm Unit Sch Dist 2	$15,121,163.39	Illinois State Checkbook
2020	Transportation	Kane County Of	$15,110,118.31	Illinois State Checkbook
2022	Human Services	Frances House Inc	$15,106,321.01	Illinois State Checkbook
2018	Transportation	Duce Construction Company	$15,105,185.64	Illinois State Checkbook
2023	Il Student Assistance Comm	Loyola University Of Chicago	$15,102,324.00	Illinois State Checkbook
2017	State Board Of Education	Mattoon Community School	$15,099,032.38	Illinois State Checkbook
2017	Revenue	Hanover Park Village Treasurer	$15,097,041.29	Illinois State Checkbook
2022	Revenue	Frankfort Village Treasurer	$15,095,105.44	Illinois State Checkbook
2023	Transportation	Southern Illinois Asphalt Co I	$15,091,517.25	Illinois State Checkbook
2019	Aging	European Service At Home Inc	$15,089,188.48	Illinois State Checkbook
2017	Human Services	Chestnut Health Systems Inc	$15,084,612.92	Illinois State Checkbook
2023	State Board Of Education	Ball Chatham School Dist 5	$15,081,081.17	Illinois State Checkbook
2018	State Board Of Education	Palos Twp School Treasurer	$15,073,445.05	Illinois State Checkbook
2021	State Board Of Education	Mt Vernon City Schools Dist 80	$15,068,363.09	Illinois State Checkbook
2020	Transportation	Dunnet Bay Construction Co	$15,056,674.90	Illinois State Checkbook
2022	Revenue	West Chicago City Treasurer	$15,047,680.32	Illinois State Checkbook
2020	Revenue	Carpentersville Vlg Treasurer	$15,039,600.25	Illinois State Checkbook
2022	Healthcare & Family Services	Southern Illinois Hospital	$15,032,480.06	Illinois State Checkbook
2018	Revenue	New Lenox Village Treasurer	$15,026,460.29	Illinois State Checkbook
2018	Il State Toll Highway Auth	Wsp Usa Inc	$15,022,785.58	Illinois State Checkbook
2017	Revenue	Tazewell County Treasurer	$15,020,132.19	Illinois State Checkbook
2023	Revenue	Lake Zurich Village Treasurer	$15,016,439.68	Illinois State Checkbook
2020	Il State Toll Highway Auth	Omega & Associates Inc	$15,012,149.15	Illinois State Checkbook
2018	State Board Of Education	East Moline School District 37	$15,011,403.81	Illinois State Checkbook
2017	Revenue	Collinsville City Treasurer	$15,008,827.47	Illinois State Checkbook
2020	Revenue	Sangamon County Treasurer	$15,007,384.19	Illinois State Checkbook
2019	Illinois Gaming Board	Joliet City Treasurer	$15,007,212.48	Illinois State Checkbook
2017	Healthcare & Family Services	Copley Memorial Hospital Inc	$15,005,985.92	Illinois State Checkbook
2020	Comptroller	Policemens A & B Fund Chicago	$15,003,796.97	Illinois State Checkbook
2017	Central Management	Coventry Health Care Of Il Inc	$15,002,849.16	Illinois State Checkbook
2021	Healthcare & Family Services	Insight Chicago Inc	$15,000,000.00	Illinois State Checkbook
2023	Revenue	Woodstock City Treasurer	$14,998,315.96	Illinois State Checkbook
2023	Il Student Assistance Comm	Board Of Ttees Comm Coll Dist	$14,988,503.00	Illinois State Checkbook
2021	Healthcare & Family Services	Childrens Habilitation Ctr Inc	$14,987,601.45	Illinois State Checkbook
2022	State Board Of Education	Ball Chatham School Dist 5	$14,984,730.08	Illinois State Checkbook
2020	Revenue	Cook County Treasurer Income T	$14,981,630.03	Illinois State Checkbook
2018	Transportation	Southern Illinois Asphalt Co I	$14,979,778.99	Illinois State Checkbook
2020	Environmental Protect Agency	Fox River Water Reclam Dist	$14,979,752.10	Illinois State Checkbook
2020	State Board Of Education	Richland County Cusd 1	$14,977,941.87	Illinois State Checkbook
2019	Revenue	Ofallon City Treasurer	$14,975,630.97	Illinois State Checkbook
2023	Revenue	Effingham City Treasurer	$14,975,152.54	Illinois State Checkbook
2023	Revenue	Rock Island County Regional	$14,960,665.34	Illinois State Checkbook
2021	Revenue	Madison County Mass-Transit	$14,957,496.88	Illinois State Checkbook
2022	State Board Of Education	Highland Community Schls Dist	$14,954,207.95	Illinois State Checkbook
2022	State Board Of Education	Warren Township High School	$14,949,846.09	Illinois State Checkbook
2021	State Board Of Education	Community Unit School Dist 3	$14,948,591.85	Illinois State Checkbook
2017	State Board Of Education	Community High Schl Dist 155	$14,948,069.15	Illinois State Checkbook
2018	Revenue	St Clair County Treasurer	$14,946,127.85	Illinois State Checkbook
2022	Il State Toll Highway Auth	Mesirow Insurance Services Inc	$14,946,013.03	Illinois State Checkbook
2019	State Board Of Education	Minooka Community Consolidated	$14,945,458.83	Illinois State Checkbook
2023	Revenue	Glen Ellyn Village Treasurer	$14,940,185.27	Illinois State Checkbook
2019	State Police	Dupage County Department Of	$14,937,335.43	Illinois State Checkbook
2018	Revenue	Urbana City Treasurer	$14,937,163.28	Illinois State Checkbook
2022	Human Services	Milestone Inc	$14,935,186.90	Illinois State Checkbook
2020	Revenue	Galesburg City Treasurer	$14,932,153.46	Illinois State Checkbook
2023	Healthcare & Family Services	Nextlevel Health Partners Inc	$14,930,126.18	Illinois State Checkbook
2023	Il State Toll Highway Auth	Knight E A Inc	$14,921,757.38	Illinois State Checkbook
2018	Revenue	International Fuel Tax Assn	$14,915,059.24	Illinois State Checkbook
2023	Agriculture	University Of Illinois	$14,898,369.02	Illinois State Checkbook
2023	State Board Of Education	Lake Villa Comm Consolidated	$14,886,098.04	Illinois State Checkbook
2018	Revenue	Westmont Village Treasurer	$14,885,899.32	Illinois State Checkbook
2018	Healthcare & Family Services	Ingalls Memorial Hospital	$14,883,097.70	Illinois State Checkbook
2020	Healthcare & Family Services	Childrens Habilitation Ctr Inc	$14,878,130.38	Illinois State Checkbook
2020	Commerce And Economic Opportun	Okeefe Reinhard & Paul Llc	$14,875,485.90	Illinois State Checkbook
2017	State Board Of Education	Association For Child	$14,871,262.09	Illinois State Checkbook
2023	Revenue	Sycamore City Treasurer	$14,869,980.69	Illinois State Checkbook
2023	Human Services	Family Guidance Centers Inc	$14,868,396.11	Illinois State Checkbook
2019	Revenue	Bloomingdale Village Treasurer	$14,866,527.02	Illinois State Checkbook
2018	State Board Of Education	Bloomington Public Schools	$14,866,485.89	Illinois State Checkbook
2019	Il State Toll Highway Auth	Jacobs Engineering Group Inc	$14,855,034.69	Illinois State Checkbook
2023	Revenue	Cicero Elem S D 99	$14,854,452.76	Illinois State Checkbook
2022	Transportation	Lee County	$14,847,080.54	Illinois State Checkbook
2018	State Board Of Education	Jacksonville School Dist 117	$14,842,419.17	Illinois State Checkbook
2020	State Board Of Education	Northfield Township School Tre	$14,842,078.53	Illinois State Checkbook
2021	State Board Of Education	Calumet Township School Treas	$14,836,611.76	Illinois State Checkbook
2018	Revenue	Bloomingdale Village Treasurer	$14,836,242.92	Illinois State Checkbook