Year	Employer	Vendor Name	Amount	Source
2019	State Board Of Education	Herrin Community Unit School	$15,497,532.44	Illinois State Checkbook
2017	Revenue	Bloomingdale Village Treasurer	$15,495,807.96	Illinois State Checkbook
2021	Revenue	Mundelein Village Treasurer	$15,493,003.98	Illinois State Checkbook
2018	Illinois Gaming Board	Joliet City Treasurer	$15,492,409.96	Illinois State Checkbook
2021	State Board Of Education	Frankfort Community Unit	$15,489,855.50	Illinois State Checkbook
2021	Healthcare & Family Services	Holy Cross Hospital	$15,489,169.02	Illinois State Checkbook
2021	Environmental Protect Agency	Village Of Algonquin	$15,486,420.01	Illinois State Checkbook
2024	Healthcare & Family Services	Misericordia Home	$15,480,191.37	Illinois State Checkbook
2024	Revenue	Frankfort Village Treasurer	$15,477,486.35	Illinois State Checkbook
2018	Healthcare & Family Services	Carle Health Care Inc	$15,476,927.90	Illinois State Checkbook
2023	Healthcare & Family Services	St Alexius Medical Center	$15,473,772.11	Illinois State Checkbook
2023	Human Services	The Hope School	$15,471,813.20	Illinois State Checkbook
2022	State Board Of Education	Centralia Cusd 135	$15,471,331.05	Illinois State Checkbook
2020	Revenue	Wheeling Village Treasurer	$15,461,346.38	Illinois State Checkbook
2024	Revenue	Woodstock City Treasurer	$15,460,991.21	Illinois State Checkbook
2025	Revenue	Mattoon City Treasurer	$15,454,469.78	Illinois State Checkbook
2025	Human Services	Marklund Childrens Home Inc	$15,453,950.30	Illinois State Checkbook
2024	Revenue	Glen Ellyn Village Treasurer	$15,447,234.65	Illinois State Checkbook
2021	Employment Security	Deloitte Consulting Llp	$15,445,899.19	Illinois State Checkbook
2020	Public Health	Pfizer Inc	$15,444,767.60	Illinois State Checkbook
2017	Il State Toll Highway Auth	William Charles Constrctn Llc	$15,440,116.85	Illinois State Checkbook
2024	State Board Of Education	Lake Villa Comm Consolidated	$15,438,270.43	Illinois State Checkbook
2018	State Board Of Education	County Of Dupage School Dist 4	$15,430,562.54	Illinois State Checkbook
2024	State Board Of Education	Woodland Comm Consolidated	$15,430,165.46	Illinois State Checkbook
2020	Revenue	Fairview Heights City Treasure	$15,423,738.57	Illinois State Checkbook
2018	Revenue	Pekin City Treasurer	$15,422,225.41	Illinois State Checkbook
2025	Environmental Protect Agency	Village Of Rantoul	$15,420,089.04	Illinois State Checkbook
2024	Aging	The Catholic Charities Of The	$15,419,807.30	Illinois State Checkbook
2019	Transportation	Dupage County Of	$15,419,074.76	Illinois State Checkbook
2025	Healthcare & Family Services	Center For Comprehensive Svcs	$15,416,700.00	Illinois State Checkbook
2024	Revenue	Rock Island County Regional	$15,415,936.84	Illinois State Checkbook
2019	Healthcare & Family Services	Southern Illinois Hospital	$15,413,378.40	Illinois State Checkbook
2022	Transportation	Judlau Contracting Inc	$15,409,710.66	Illinois State Checkbook
2019	Transportation	Mbk Enterprises Inc	$15,403,095.01	Illinois State Checkbook
2025	Healthcare & Family Services	Highland Park Cvs Llc	$15,401,732.22	Illinois State Checkbook
2023	State Board Of Education	Bond County Community Unit	$15,396,264.28	Illinois State Checkbook
2019	Il Community College Board	Moraine Valley Comm College	$15,387,517.16	Illinois State Checkbook
2017	Healthcare & Family Services	Waukegan Illinois Hosp Co Llc	$15,386,591.41	Illinois State Checkbook
2022	Revenue	Monee Village Treasurer	$15,380,854.23	Illinois State Checkbook
2025	Healthcare & Family Services	St Bernard Hospital	$15,379,363.73	Illinois State Checkbook
2022	Revenue	Deerfield Village Treasurer	$15,376,170.23	Illinois State Checkbook
2020	Healthcare & Family Services	Norwegian American Hosp Inc	$15,373,749.16	Illinois State Checkbook
2019	Revenue	Wheeling Village Treasurer	$15,372,964.52	Illinois State Checkbook
2019	Revenue	Romeoville Village Treasurer	$15,372,727.86	Illinois State Checkbook
2019	Transportation	Stark Excavating Inc	$15,364,370.96	Illinois State Checkbook
2023	State Board Of Education	Troy Community Consolidated	$15,361,528.87	Illinois State Checkbook
2022	Human Services	Trinity Services Inc	$15,347,878.93	Illinois State Checkbook
2025	Revenue	Macon-Piatt County Regional	$15,347,708.28	Illinois State Checkbook
2020	State Board Of Education	Elmwood Park Cusd 401	$15,345,233.36	Illinois State Checkbook
2017	Transportation	Bnsf Railway Company	$15,343,692.93	Illinois State Checkbook
2022	Natural Resources	University Of Illinois	$15,334,902.90	Illinois State Checkbook
2023	Revenue	Comm Cons Elem S D 59	$15,330,958.37	Illinois State Checkbook
2025	State Board Of Education	Warren Township High School	$15,329,127.65	Illinois State Checkbook
2023	Environmental Protect Agency	Village Of Oak Lawn	$15,322,111.24	Illinois State Checkbook
2019	State Board Of Education	Wauconda C U Schl	$15,320,680.98	Illinois State Checkbook
2017	Revenue	Oswego Village Treasurer	$15,320,309.28	Illinois State Checkbook
2023	State Board Of Education	Bradley Bourbonnais Community	$15,319,027.71	Illinois State Checkbook
2024	State Board Of Education	Jersey County Cusd 100	$15,316,569.55	Illinois State Checkbook
2024	Revenue	Peru City Treasurer	$15,316,043.55	Illinois State Checkbook
2022	Revenue	Morton Grove Village Treasurer	$15,310,101.66	Illinois State Checkbook
2022	Il Community College Board	Lake Land College	$15,309,121.48	Illinois State Checkbook
2022	Revenue	Macon County Treasurer General	$15,299,547.23	Illinois State Checkbook
2020	Commerce And Economic Opportun	Chicago Park District	$15,297,569.00	Illinois State Checkbook
2023	State Board Of Education	Woodland Comm Consolidated	$15,296,959.16	Illinois State Checkbook
2022	Healthcare & Family Services	Central Dupage Hospital Assn	$15,291,357.58	Illinois State Checkbook
2023	State Board Of Education	Jersey County Cusd 100	$15,279,529.11	Illinois State Checkbook
2024	Revenue	Sycamore City Treasurer	$15,272,391.61	Illinois State Checkbook
2021	Public Health	Cvs Pharmacy Inc	$15,271,820.70	Illinois State Checkbook
2025	Healthcare & Family Services	Franciscan Health Olympia	$15,266,089.12	Illinois State Checkbook
2023	Il Community College Board	Illinois Eastern Community Col	$15,264,804.39	Illinois State Checkbook
2018	Healthcare & Family Services	Marion Hospital Corp	$15,263,809.21	Illinois State Checkbook
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
2025	Healthcare & Family Services	Maximus U S Services Inc	$15,256,186.28	Illinois State Checkbook
2024	Il Student Assistance Comm	Aurora University	$15,254,954.00	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
2024	Revenue	West Chicago City Treasurer	$15,236,666.19	Illinois State Checkbook
2018	State Board Of Education	School Assn For Special Educ	$15,235,377.67	Illinois State Checkbook
2024	Revenue	Mattoon City Treasurer	$15,234,384.87	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
2025	Il Student Assistance Comm	Saint Xavier University	$15,222,981.00	Illinois State Checkbook
2022	Revenue	Bensenville Village Treasurer	$15,221,892.67	Illinois State Checkbook
2025	Revenue	Lockport City Treasurer	$15,208,441.04	Illinois State Checkbook
2023	Revenue	West Chicago City Treasurer	$15,206,503.24	Illinois State Checkbook
2024	Il State Toll Highway Auth	Aldridge Electric Inc	$15,198,890.05	Illinois State Checkbook
2019	Healthcare & Family Services	Waukegan Illinois Hosp Co Llc	$15,195,402.88	Illinois State Checkbook
2024	Secretary Of State	Pitney Bowes Bank Inc	$15,190,715.80	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
2025	State Board Of Education	Dixon Unit School District 170	$15,165,332.79	Illinois State Checkbook
2025	Il Community College Board	Illinois Eastern Community Col	$15,161,524.24	Illinois State Checkbook
2024	Human Services	Acclivus Inc	$15,154,404.27	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