Year	Employer	Vendor Name	Amount	Source
2024	State Board Of Education	Shelbyville Community Unit	$9,167,028.12	Illinois State Checkbook
2025	Revenue	Warrenville City Treasurer	$9,166,547.16	Illinois State Checkbook
2019	Transportation	Aecom Technical Services Inc	$9,161,455.10	Illinois State Checkbook
2019	State Board Of Education	Westville Comm Unit School	$9,158,827.24	Illinois State Checkbook
2024	Revenue	Dekalb County Treasurer	$9,155,471.68	Illinois State Checkbook
2021	Healthcare & Family Services	Riverside Medical Center	$9,154,136.92	Illinois State Checkbook
2022	Il Community College Board	Elgin Community College	$9,152,312.59	Illinois State Checkbook
2024	Revenue	Leyden Community H S 212	$9,150,356.61	Illinois State Checkbook
2020	Il Emergency Management Agcy	University Of Illinois	$9,149,910.76	Illinois State Checkbook
2021	State Board Of Education	North Mac Cusd 34	$9,146,622.31	Illinois State Checkbook
2022	State Board Of Education	Woodridge Elem School	$9,145,985.10	Illinois State Checkbook
2024	State Board Of Education	Dunlap Community Unit School	$9,145,826.77	Illinois State Checkbook
2025	Board Of Higher Education	Elmhurst University	$9,145,720.00	Illinois State Checkbook
2018	Revenue	Crestwood Village Treasurer	$9,145,425.85	Illinois State Checkbook
2020	State Board Of Education	Ofallon Township High School	$9,144,518.54	Illinois State Checkbook
2024	Transportation	Kraemer North America Llc	$9,143,860.09	Illinois State Checkbook
2025	State Board Of Education	County Of Macoupin	$9,143,767.05	Illinois State Checkbook
2018	Transportation	Aecom Technical Services Inc	$9,143,417.44	Illinois State Checkbook
2024	Aging	European American Assoc	$9,139,643.17	Illinois State Checkbook
2025	Revenue	Kankakee County Treasurer	$9,139,568.29	Illinois State Checkbook
2021	State Board Of Education	Lincoln Elementary School	$9,138,710.84	Illinois State Checkbook
2019	State Board Of Education	Dixon Unit School District 170	$9,138,038.58	Illinois State Checkbook
2016	Public Health	University Of Illinois	$9,137,786.91	Illinois State Checkbook
2022	Healthcare & Family Services	Advocate Health Care Network	$9,136,539.95	Illinois State Checkbook
2024	Transportation	Wheatland Title Companies Inc	$9,135,079.04	Illinois State Checkbook
2021	State Board Of Education	Bradley School District No 61	$9,132,755.79	Illinois State Checkbook
2020	Transportation	Winnebago County	$9,132,547.65	Illinois State Checkbook
2024	Healthcare & Family Services	Community First Healthcare Of	$9,131,486.04	Illinois State Checkbook
2020	Commerce And Economic Opportun	Rockford City Of	$9,131,126.32	Illinois State Checkbook
2020	State Board Of Education	Regional Office Of Educ 31	$9,128,033.48	Illinois State Checkbook
2020	State Board Of Education	Antioch C C Grade Sch Dist 34	$9,127,292.77	Illinois State Checkbook
2023	Revenue	Jackson-Perry Regional Office	$9,127,230.22	Illinois State Checkbook
2016	State Board Of Education	Charleston Community Unit	$9,125,479.54	Illinois State Checkbook
2018	State Board Of Education	Leyden High School Dist No 212	$9,125,115.05	Illinois State Checkbook
2021	Il Emergency Management Agcy	Chicago Title Insurance Co	$9,125,000.00	Illinois State Checkbook
2022	Transportation	Elgin Sweeping Services Inc	$9,124,808.32	Illinois State Checkbook
2019	Revenue	Lincolnwood Village Treasurer	$9,122,340.65	Illinois State Checkbook
2016	State Board Of Education	Monmouth-Roseville Cusd 238	$9,121,406.65	Illinois State Checkbook
2018	State Board Of Education	Lincoln-Way Com High School	$9,121,292.14	Illinois State Checkbook
2022	Transportation	Roadsafe Traffic Systems Inc	$9,118,366.90	Illinois State Checkbook
2025	State Board Of Education	Woodridge Elem School	$9,117,732.44	Illinois State Checkbook
2023	State Board Of Education	Rantoul Township High School	$9,116,544.91	Illinois State Checkbook
2022	State Board Of Education	Marshall Community Unit School	$9,116,072.87	Illinois State Checkbook
2024	State Board Of Education	Christopher Unit School	$9,115,955.85	Illinois State Checkbook
2025	State Board Of Education	Evanston Township High School	$9,114,657.47	Illinois State Checkbook
2024	State Board Of Education	Geneva Cusd 304	$9,114,012.83	Illinois State Checkbook
2021	Revenue	Monticello Cusd 25	$9,113,132.27	Illinois State Checkbook
2025	Transportation	Winnebago County	$9,111,583.04	Illinois State Checkbook
2016	Revenue	Wilmette Village Treasurer	$9,108,750.30	Illinois State Checkbook
2023	State Board Of Education	Community Unit District No 3	$9,106,977.64	Illinois State Checkbook
2025	State Board Of Education	Staunton Community Unit School	$9,106,072.21	Illinois State Checkbook
2024	Revenue	Itasca Village Treasurer	$9,105,997.31	Illinois State Checkbook
2017	State Board Of Education	Monmouth-roseville Cusd 238	$9,104,886.40	Illinois State Checkbook
2023	Healthcare & Family Services	Saint Anthony Medical Center	$9,102,496.06	Illinois State Checkbook
2025	State Board Of Education	Meridian Community Unit Dist	$9,101,048.05	Illinois State Checkbook
2023	State Board Of Education	Rochelle Community Consolidate	$9,100,598.53	Illinois State Checkbook
2020	Revenue	Wood Dale Village Treasurer	$9,099,461.96	Illinois State Checkbook
2018	Environmental Protect Agency	City Of Decatur	$9,097,317.24	Illinois State Checkbook
2021	Human Services	Little City Foundation	$9,095,540.16	Illinois State Checkbook
2021	Innovation And Technology	Dell Marketing Lp	$9,094,810.79	Illinois State Checkbook
2022	Revenue	Kankakee County Treasurer	$9,094,415.62	Illinois State Checkbook
2018	Transportation	Benchmark Construction Co Inc	$9,092,554.66	Illinois State Checkbook
2024	Revenue	Dixon City Treasurer	$9,089,720.34	Illinois State Checkbook
2024	Capital Development Board	Drive Construction Inc	$9,087,610.75	Illinois State Checkbook
2022	Revenue	Palatine Twp Hs 211	$9,084,759.64	Illinois State Checkbook
2020	Healthcare & Family Services	Center For Comprehensive Svcs	$9,084,265.85	Illinois State Checkbook
2024	Healthcare & Family Services	City Of Elgin	$9,084,088.57	Illinois State Checkbook
2017	Revenue	Madison County Of	$9,082,339.82	Illinois State Checkbook
2024	State Board Of Education	Wesclin Community Unit School	$9,081,728.27	Illinois State Checkbook
2017	Revenue	Franklin Williamson Regional	$9,073,480.71	Illinois State Checkbook
2023	State Board Of Education	Noble Network Of Charter Schls	$9,072,974.38	Illinois State Checkbook
2023	Il Community College Board	Kaskaskia College Community	$9,072,632.71	Illinois State Checkbook
2022	Innovation And Technology	Presidio Holdings Inc	$9,068,657.38	Illinois State Checkbook
2019	Transportation	Bnsf Railway Company	$9,068,046.42	Illinois State Checkbook
2023	Revenue	North Chicago City Treasurer	$9,067,881.57	Illinois State Checkbook
2024	State Board Of Education	Community Unit School Dist 7	$9,067,079.33	Illinois State Checkbook
2024	Transportation	Otto Baum & Company Inc	$9,066,790.55	Illinois State Checkbook
2021	Commerce And Economic Opportun	St Clair Cnty Cmnty Actn Agcy	$9,065,983.48	Illinois State Checkbook
2023	Revenue	Boone County Treasurer	$9,065,450.86	Illinois State Checkbook
2024	Healthcare & Family Services	Maximus Human Services Inc	$9,061,848.36	Illinois State Checkbook
2021	State Board Of Education	Prairie Central Community	$9,061,652.40	Illinois State Checkbook
2025	Human Services	Bellwood Nursing Center Llc	$9,058,541.25	Illinois State Checkbook
2023	Revenue	Lincoln City Treasurer	$9,056,307.52	Illinois State Checkbook
2016	Revenue	Rock Island County Treasurer	$9,052,230.74	Illinois State Checkbook
2020	Il Emergency Management Agcy	Reditus Laboratories Llc	$9,052,073.57	Illinois State Checkbook
2019	Human Services	Gateway Foundation Inc	$9,051,486.50	Illinois State Checkbook
2016	Revenue	Chicago Ridge Village Treasure	$9,051,080.40	Illinois State Checkbook
2021	Commerce And Economic Opportun	Madison County	$9,049,522.06	Illinois State Checkbook
2022	State Board Of Education	Red Hill Community Unit	$9,048,529.57	Illinois State Checkbook
2017	Aging	Chicago Commons Association	$9,047,269.58	Illinois State Checkbook
2018	Il Community College Board	Kaskaskia College	$9,045,792.23	Illinois State Checkbook
2022	Revenue	North Chicago City Treasurer	$9,045,161.63	Illinois State Checkbook
2023	Public Health	Cook County	$9,043,827.14	Illinois State Checkbook
2017	Revenue	Lincolnwood Village Treasurer	$9,036,858.26	Illinois State Checkbook
2023	Revenue	Putnam County Cusd 535	$9,028,541.42	Illinois State Checkbook
2024	Il State Toll Highway Auth	Electronic Transaction	$9,027,791.89	Illinois State Checkbook
2022	Aging	New Age Elder Care Inc	$9,027,684.51	Illinois State Checkbook
2016	Healthcare & Family Services	St Elizabeths Hospital	$9,026,851.01	Illinois State Checkbook
2022	Healthcare & Family Services	Northwestern Lake Forest Hsptl	$9,024,457.99	Illinois State Checkbook
2018	State Board Of Education	Central Community Unit	$9,022,380.56	Illinois State Checkbook