Year	Employer	Vendor Name	Amount	Source
2022	Revenue	Crestwood Village Treasurer	$12,361,752.23	Illinois State Checkbook
2024	Revenue	Jacksonville City Treasurer	$12,361,082.01	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
2017	State Board Of Education	Bloomington Public Schools	$12,349,278.38	Illinois State Checkbook
2021	Transportation	Southern Illinois Asphalt Co I	$12,344,928.97	Illinois State Checkbook
2024	Human Services	County Of Dupage Department	$12,342,943.53	Illinois State Checkbook
2023	State Board Of Education	Mt Zion Community Unit School	$12,339,616.96	Illinois State Checkbook
2024	Human Services	The West Side Justice Ctr Inc	$12,331,841.37	Illinois State Checkbook
2020	Transportation	Plocher Construction Company	$12,324,428.21	Illinois State Checkbook
2023	Revenue	Wilmette Village Treasurer	$12,318,773.36	Illinois State Checkbook
2018	Revenue	Bensenville Village Treasurer	$12,318,494.82	Illinois State Checkbook
2019	Environmental Protect Agency	City Of Batavia	$12,309,663.43	Illinois State Checkbook
2021	Revenue	Bensenville Village Treasurer	$12,309,441.43	Illinois State Checkbook
2024	State Board Of Education	Madison Community Unit School	$12,309,013.34	Illinois State Checkbook
2021	Healthcare & Family Services	St Bernard Hospital	$12,306,631.09	Illinois State Checkbook
2017	State Board Of Education	Wauconda C U Schl	$12,306,606.20	Illinois State Checkbook
2023	Healthcare & Family Services	Thc-Chicago Inc	$12,304,420.52	Illinois State Checkbook
2016	Healthcare & Family Services	Vhs Westlake Hospital Inc	$12,298,574.13	Illinois State Checkbook
2020	Revenue	Mokena Village Treasurer	$12,298,189.21	Illinois State Checkbook
2019	State Board Of Education	Beardstown Community Unit	$12,297,151.82	Illinois State Checkbook
2023	State Board Of Education	County Of Kankakee 5 Manteno	$12,296,751.63	Illinois State Checkbook
2023	Innovation And Technology	Zones It Solutions Inc	$12,293,999.99	Illinois State Checkbook
2023	Revenue	Ottawa City Treasurer	$12,292,838.57	Illinois State Checkbook
2022	Healthcare & Family Services	St Bernard Hospital	$12,291,812.55	Illinois State Checkbook
2022	Revenue	Leyden Community H S 212	$12,291,548.88	Illinois State Checkbook
2025	Il Student Assistance Comm	Lewis University	$12,288,479.00	Illinois State Checkbook
2019	Revenue	Madison County Mass-Transit	$12,288,186.98	Illinois State Checkbook
2023	State Board Of Education	Community High School Dist 94	$12,285,693.65	Illinois State Checkbook
2016	Transportation	Midwest Transit Equipment Inc	$12,285,252.00	Illinois State Checkbook
2016	Revenue	Matteson Village Treasurer	$12,281,192.15	Illinois State Checkbook
2016	Human Services	Frances House Inc	$12,279,125.01	Illinois State Checkbook
2025	Human Services	Amergis Healthcare Staffing	$12,277,785.73	Illinois State Checkbook
2024	State Board Of Education	Lincoln Elementary School	$12,276,630.37	Illinois State Checkbook
2016	State Board Of Education	Elmwood Park Cusd 401	$12,274,782.23	Illinois State Checkbook
2024	State Board Of Education	Kirby School Dist 140	$12,274,035.49	Illinois State Checkbook
2019	Healthcare & Family Services	Unlimited Development Inc	$12,266,647.79	Illinois State Checkbook
2018	State Board Of Education	Glenbard Township High School	$12,266,355.69	Illinois State Checkbook
2020	Transportation	Halverson Construction Co Inc	$12,265,000.66	Illinois State Checkbook
2021	Revenue	Morton Grove Village Treasurer	$12,263,750.42	Illinois State Checkbook
2025	State Board Of Education	Riverton Community Unit School	$12,263,042.56	Illinois State Checkbook
2016	State Board Of Education	Wauconda C U Schl	$12,262,090.72	Illinois State Checkbook
2019	Healthcare & Family Services	Saint Anthony Hospital	$12,262,050.39	Illinois State Checkbook
2020	State Board Of Education	Ofallon Community Consolidated	$12,258,454.52	Illinois State Checkbook
2023	Healthcare & Family Services	Alden Village North Inc	$12,253,856.77	Illinois State Checkbook
2017	Il Criminal Justice Info Auth	Illinois Coalition Against	$12,252,397.23	Illinois State Checkbook
2024	State Board Of Education	Hillsboro Community Unit	$12,252,031.34	Illinois State Checkbook
2023	Revenue	Sterling City Treasurer	$12,249,261.93	Illinois State Checkbook
2024	State Board Of Education	Dupage High School District 88	$12,249,223.06	Illinois State Checkbook
2017	Transportation	Parsons Brinckerhoff Inc	$12,248,090.43	Illinois State Checkbook
2021	Revenue	Bartlett Village Treasurer	$12,247,039.99	Illinois State Checkbook
2024	Aging	Serenity Home Healthcare Inc	$12,243,894.73	Illinois State Checkbook
2022	State Board Of Education	Mt Zion Community Unit School	$12,243,634.64	Illinois State Checkbook
2017	Aging	U & F Sons Inc	$12,240,642.54	Illinois State Checkbook
2022	Revenue	Franklin Williamson Regional	$12,239,082.90	Illinois State Checkbook
2023	Commerce And Economic Opportun	Community Contacts Inc	$12,236,487.61	Illinois State Checkbook
2025	Healthcare & Family Services	Loretto Hospital	$12,235,517.15	Illinois State Checkbook
2022	Human Services	Cardinal Health Inc	$12,235,410.35	Illinois State Checkbook
2024	Healthcare & Family Services	St Bernard Hospital	$12,234,028.76	Illinois State Checkbook
2016	Healthcare & Family Services	Vhs Acqustn Subsdry No 3 Inc	$12,232,732.20	Illinois State Checkbook
2025	Capital Development Board	Antarctic Mechanical Services	$12,232,718.94	Illinois State Checkbook
2025	Innovation And Technology	At & T Corp	$12,228,330.53	Illinois State Checkbook
2018	Revenue	Villa Park Village Treasurer	$12,228,225.57	Illinois State Checkbook
2016	Healthcare & Family Services	Aurora Chicago Lakeshore	$12,226,929.00	Illinois State Checkbook
2025	Revenue	Batavia Village Treasurer	$12,226,257.84	Illinois State Checkbook
2025	Corrections	Safer Foundation	$12,223,972.02	Illinois State Checkbook
2020	Revenue	Peru City Treasurer	$12,218,432.28	Illinois State Checkbook
2022	Transportation	Arrow Road Construction Co	$12,218,152.27	Illinois State Checkbook
2020	State Board Of Education	Monmouth-Roseville Cusd 238	$12,216,227.16	Illinois State Checkbook
2023	Revenue	Lockport City Treasurer	$12,216,192.59	Illinois State Checkbook
2022	Revenue	North Aurora Village Treasurer	$12,212,571.98	Illinois State Checkbook
2020	Transportation	Mchenry County	$12,206,368.82	Illinois State Checkbook
2018	Transportation	Will County Of	$12,204,581.76	Illinois State Checkbook
2018	Il State Toll Highway Auth	G4s Technology Holdings	$12,200,997.43	Illinois State Checkbook
2021	State Board Of Education	Eldorado Community Dist U-4	$12,198,037.57	Illinois State Checkbook
2025	Transportation	Motorola Solutions Inc	$12,195,885.20	Illinois State Checkbook
2020	State Board Of Education	Antioch Community High School	$12,195,331.45	Illinois State Checkbook
2020	State Board Of Education	Charleston Community Unit	$12,194,934.10	Illinois State Checkbook
2025	Transportation	Johnson Bros Corporationa	$12,192,497.98	Illinois State Checkbook
2025	State Board Of Education	Grant Community High School	$12,184,979.40	Illinois State Checkbook
2021	State Board Of Education	Monmouth-Roseville Cusd 238	$12,177,408.80	Illinois State Checkbook
2021	Healthcare & Family Services	Franciscan Health Olympia	$12,177,197.55	Illinois State Checkbook
2023	Transportation	Core Construction Svc Of Il	$12,177,131.15	Illinois State Checkbook
2024	Il State Toll Highway Auth	Bowman Consulting Group Ltd	$12,173,647.47	Illinois State Checkbook
2020	Healthcare & Family Services	Marklund Childrens Home Inc	$12,172,489.89	Illinois State Checkbook
2016	Il State Toll Highway Auth	Motorola Solutions Inc	$12,168,029.25	Illinois State Checkbook
2018	Aging	Assyrian Universal Alliance Fn	$12,167,705.54	Illinois State Checkbook
2025	State Board Of Education	Ottawa Elementary School Dist	$12,167,250.26	Illinois State Checkbook
2022	Transportation	Mchenry County	$12,165,577.65	Illinois State Checkbook
2020	State Board Of Education	Ball Chatham School Dist 5	$12,164,167.29	Illinois State Checkbook
2022	State Board Of Education	Queen Bee School District No 1	$12,161,832.97	Illinois State Checkbook
2024	State Board Of Education	Community Unit School Dist	$12,154,634.88	Illinois State Checkbook
2022	State Board Of Education	Riverton Community Unit School	$12,153,876.51	Illinois State Checkbook
2018	State Board Of Education	Streator Elementary School	$12,150,341.23	Illinois State Checkbook
2023	Revenue	Jefferson County Treasurer	$12,149,556.72	Illinois State Checkbook
2018	Environmental Protect Agency	City Of Collinsville	$12,148,757.90	Illinois State Checkbook
2022	Supreme Court	Tyler Technologies Inc	$12,147,700.50	Illinois State Checkbook