Year	Employer	Vendor Name	Amount	Source
2023	Environmental Protect Agency	Village Of Bartlett	$17,889,263.25	Illinois State Checkbook
2019	State Board Of Education	Concept Schools Inc	$17,888,249.36	Illinois State Checkbook
2023	Transportation	Kraemer North America Llc	$17,879,659.93	Illinois State Checkbook
2021	State Board Of Education	Oak Park School District 97	$17,878,880.70	Illinois State Checkbook
2023	Revenue	Edwardsville City Treasurer	$17,875,996.96	Illinois State Checkbook
2023	Human Services	Clearbrook	$17,875,113.17	Illinois State Checkbook
2022	Revenue	Kankakee City Of	$17,870,991.05	Illinois State Checkbook
2023	Innovation And Technology	Rl Canning Inc	$17,867,929.15	Illinois State Checkbook
2018	Revenue	Melrose Park Village Treasurer	$17,861,610.25	Illinois State Checkbook
2022	Revenue	Mchenry City Treasurer	$17,861,360.28	Illinois State Checkbook
2018	Healthcare & Family Services	Accredo Health Group Inc	$17,859,484.28	Illinois State Checkbook
2019	Revenue	Rosemont Village Treasurer	$17,853,448.92	Illinois State Checkbook
2017	Revenue	Northbrook Vilalge Treasurer	$17,848,828.17	Illinois State Checkbook
2019	Il Student Assistance Comm	De Paul University	$17,832,072.02	Illinois State Checkbook
2022	State Board Of Education	Triad Comm Unit Sch Dist 2	$17,830,477.49	Illinois State Checkbook
2020	Revenue	Mount Vernon City Treasurer	$17,817,745.18	Illinois State Checkbook
2021	Revenue	Romeoville Village Treasurer	$17,809,218.59	Illinois State Checkbook
2018	Revenue	Dekalb City Treasurer	$17,809,077.89	Illinois State Checkbook
2018	Human Services	Community Living Options Inc	$17,807,356.70	Illinois State Checkbook
2020	Il State Toll Highway Auth	Hntb Corp	$17,805,606.06	Illinois State Checkbook
2020	Transportation	Greater Peoria Mass Transit	$17,760,501.75	Illinois State Checkbook
2019	Revenue	Marion City Treasurer	$17,759,879.33	Illinois State Checkbook
2018	State Board Of Education	Harvard Community Unit	$17,757,212.89	Illinois State Checkbook
2021	Secretary Of State	Pitney Bowes Bank Inc	$17,748,504.12	Illinois State Checkbook
2022	Revenue	Streamwood Village Treasurer	$17,743,536.33	Illinois State Checkbook
2019	Il Community College Board	Community College Dist 502	$17,742,095.98	Illinois State Checkbook
2022	Aging	The Catholic Charities Of The	$17,734,817.33	Illinois State Checkbook
2018	Aging	Universal Industries Inc	$17,706,373.92	Illinois State Checkbook
2017	Healthcare & Family Services	St Alexius Medical Center	$17,705,091.31	Illinois State Checkbook
2020	Healthcare & Family Services	Waukegan Illinois Hosp Co Llc	$17,704,095.59	Illinois State Checkbook
2017	Il State Toll Highway Auth	Aecom Technical Services Inc	$17,699,113.07	Illinois State Checkbook
2022	Human Services	Chicago City Of	$17,671,085.01	Illinois State Checkbook
2019	Revenue	Deerfield Village Treasurer	$17,665,601.68	Illinois State Checkbook
2017	Revenue	Highland Park City Treasurer	$17,664,648.61	Illinois State Checkbook
2023	Transportation	State Of Missouri	$17,659,095.05	Illinois State Checkbook
2022	Healthcare & Family Services	Saint Anthony Hospital	$17,649,664.19	Illinois State Checkbook
2020	Revenue	Champaign County Treasurer	$17,636,841.59	Illinois State Checkbook
2019	State Board Of Education	Joliet Twp H S Dist 204	$17,632,146.12	Illinois State Checkbook
2023	Revenue	Loves Park City Treasurer	$17,628,642.52	Illinois State Checkbook
2018	Revenue	Kendall County Treasurer	$17,627,815.26	Illinois State Checkbook
2017	Healthcare & Family Services	Vhs Of Illinois Inc	$17,610,666.39	Illinois State Checkbook
2020	Innovation And Technology	Cdw Llc	$17,599,620.03	Illinois State Checkbook
2020	State Board Of Education	Rantoul City School Dist 137	$17,596,590.58	Illinois State Checkbook
2018	Revenue	Highland Park City Treasurer	$17,588,870.39	Illinois State Checkbook
2022	State Board Of Education	Sycamore Cusd 427	$17,585,409.53	Illinois State Checkbook
2018	Transportation	Arrow Road Construction Co	$17,584,591.79	Illinois State Checkbook
2019	Revenue	Champaign County Treasurer	$17,575,223.95	Illinois State Checkbook
2023	Commerce And Economic Opportun	Lake County	$17,572,694.80	Illinois State Checkbook
2020	Children And Family Services	University Of Illinois	$17,563,634.16	Illinois State Checkbook
2019	Revenue	Mount Vernon City Treasurer	$17,563,227.11	Illinois State Checkbook
2023	State Board Of Education	Northfield Township School Tre	$17,548,904.00	Illinois State Checkbook
2021	State Board Of Education	Glenbard Township High School	$17,548,040.82	Illinois State Checkbook
2018	Aging	Chicago City Of	$17,542,065.92	Illinois State Checkbook
2022	Revenue	Bradley Village Treasurer	$17,537,902.23	Illinois State Checkbook
2017	State Board Of Education	Community Unit School Dist 200	$17,530,775.00	Illinois State Checkbook
2017	Transportation	Stark Excavating Inc	$17,527,823.21	Illinois State Checkbook
2023	State Board Of Education	Concept Schools Nfp	$17,526,486.03	Illinois State Checkbook
2017	Revenue	Dekalb City Treasurer	$17,523,982.59	Illinois State Checkbook
2021	Transportation	Kraemer North America Llc	$17,518,816.81	Illinois State Checkbook
2018	Transportation	Dupage County Of	$17,514,620.49	Illinois State Checkbook
2023	Human Services	Rosecrance Incorporated	$17,509,435.10	Illinois State Checkbook
2021	Healthcare & Family Services	Southern Illinois Hospital	$17,509,290.64	Illinois State Checkbook
2019	State Board Of Education	Crystal Lake Community	$17,507,581.76	Illinois State Checkbook
2022	State Board Of Education	Richland County Cusd 1	$17,507,333.79	Illinois State Checkbook
2019	State Board Of Education	Mattoon Community School	$17,507,031.81	Illinois State Checkbook
2022	Revenue	Rock Island County Treasurer	$17,506,869.90	Illinois State Checkbook
2018	Transportation	Stark Excavating Inc	$17,499,920.75	Illinois State Checkbook
2017	State Board Of Education	Community Unit School Dist 303	$17,495,455.14	Illinois State Checkbook
2021	Il Community College Board	Moraine Valley Comm College	$17,489,384.11	Illinois State Checkbook
2020	Agriculture	University Of Illinois	$17,485,361.01	Illinois State Checkbook
2017	Transportation	Illinois Constructors Corp &	$17,478,197.82	Illinois State Checkbook
2020	Revenue	Collinsville City Treasurer	$17,472,889.77	Illinois State Checkbook
2021	Human Services	Chicago City Of	$17,471,915.54	Illinois State Checkbook
2020	Transportation	Dupage County Of	$17,446,162.58	Illinois State Checkbook
2021	Revenue	Ofallon City Treasurer	$17,444,780.18	Illinois State Checkbook
2019	Transportation	William Charles Constrctn Llc	$17,444,499.02	Illinois State Checkbook
2020	Transportation	Madison County Mass-Transit	$17,442,970.32	Illinois State Checkbook
2017	Aging	Universal Industries Inc	$17,439,628.08	Illinois State Checkbook
2023	Healthcare & Family Services	Optum Government Solutions Inc	$17,429,106.00	Illinois State Checkbook
2022	Healthcare & Family Services	Optum Government Solutions Inc	$17,426,068.96	Illinois State Checkbook
2019	Revenue	New Lenox Village Treasurer	$17,424,402.28	Illinois State Checkbook
2021	Transportation	Lee County	$17,423,023.46	Illinois State Checkbook
2021	Revenue	Sangamon County Treasurer	$17,421,760.59	Illinois State Checkbook
2019	Healthcare & Family Services	Highland Park Cvs Llc	$17,419,431.57	Illinois State Checkbook
2018	Il State Toll Highway Auth	Commonwealth Edison Company	$17,411,074.69	Illinois State Checkbook
2018	Transportation	Advance Asphalt Company	$17,384,416.34	Illinois State Checkbook
2019	Revenue	Northbrook Vilalge Treasurer	$17,355,318.10	Illinois State Checkbook
2020	State Board Of Education	Oak Park School District 97	$17,346,129.99	Illinois State Checkbook
2022	Human Services	Clearbrook	$17,338,770.89	Illinois State Checkbook
2022	Transportation	Rockford Mass Transit Dist Inc	$17,337,163.88	Illinois State Checkbook
2018	Healthcare & Family Services	Presence Chicago Hospitals Ntk	$17,331,266.10	Illinois State Checkbook
2023	State Board Of Education	Central Community Unit	$17,329,349.02	Illinois State Checkbook
2017	State Board Of Education	Marquardt School District 15	$17,327,045.11	Illinois State Checkbook
2020	Revenue	Rosemont Village Treasurer	$17,319,281.98	Illinois State Checkbook
2021	Transportation	Gallagher Asphalt Corporation	$17,314,200.86	Illinois State Checkbook
2021	State Board Of Education	Grayslake Community High Schl	$17,298,173.69	Illinois State Checkbook
2020	Revenue	Regional Office Of Education	$17,288,355.37	Illinois State Checkbook
2019	Corrections	Cdw Llc	$17,287,244.72	Illinois State Checkbook
2021	Human Services	Chestnut Health Systems Inc	$17,282,233.15	Illinois State Checkbook
2022	Environmental Protect Agency	City Of Joliet	$17,277,221.73	Illinois State Checkbook