Year	Employer	Vendor Name	Amount	Source
2020	State Board Of Education	Ncs Pearson Inc	$18,625,209.36	Illinois State Checkbook
2018	Healthcare & Family Services	Holy Cross Hospital	$18,607,841.91	Illinois State Checkbook
2021	Revenue	Chicago City Comm Coll 508	$18,601,148.37	Illinois State Checkbook
2019	Revenue	Kendall County Treasurer	$18,596,706.12	Illinois State Checkbook
2021	State Board Of Education	Wauconda C U Schl	$18,594,661.28	Illinois State Checkbook
2018	Healthcare & Family Services	Blue Island Hospital Co Llc	$18,577,739.90	Illinois State Checkbook
2023	Human Services	Beverly Farm Foundation	$18,572,980.62	Illinois State Checkbook
2021	Revenue	Educational Svc Region Office	$18,565,550.25	Illinois State Checkbook
2022	State Board Of Education	Charleston Community Unit	$18,560,820.66	Illinois State Checkbook
2020	Healthcare & Family Services	Uhs Of Hartgrove Inc	$18,559,500.73	Illinois State Checkbook
2022	Transportation	Madison County Mass-Transit	$18,553,835.82	Illinois State Checkbook
2021	Revenue	Oswego Village Treasurer	$18,544,123.93	Illinois State Checkbook
2023	Transportation	P T Ferro Construction Co Inc	$18,536,067.07	Illinois State Checkbook
2023	Revenue	Mchenry City Treasurer	$18,532,693.13	Illinois State Checkbook
2017	Environmental Protect Agency	City Of Jacksonville	$18,531,393.81	Illinois State Checkbook
2021	Transportation	Curran Contracting Company	$18,524,659.01	Illinois State Checkbook
2022	State Board Of Education	Mchenry Cmnty Consolidated	$18,518,880.57	Illinois State Checkbook
2020	Il State Toll Highway Auth	Accenture Llp	$18,515,697.89	Illinois State Checkbook
2019	Environmental Protect Agency	Village Of Oak Lawn	$18,514,678.73	Illinois State Checkbook
2018	State Board Of Education	Stickney Township School Treas	$18,512,717.06	Illinois State Checkbook
2017	Transportation	Dupage County Of	$18,504,275.32	Illinois State Checkbook
2023	State Board Of Education	Carterville Community School	$18,493,153.09	Illinois State Checkbook
2018	Healthcare & Family Services	Vhs Of Illinois Inc	$18,483,419.71	Illinois State Checkbook
2019	Revenue	Melrose Park Village Treasurer	$18,477,229.70	Illinois State Checkbook
2021	Central Management	Universal Protection Svc Lp	$18,470,529.04	Illinois State Checkbook
2020	Aging	Ageoptions Inc	$18,469,848.71	Illinois State Checkbook
2017	Human Services	Community Living Options Inc	$18,468,223.34	Illinois State Checkbook
2020	Revenue	Carol Stream Village Treasurer	$18,451,059.92	Illinois State Checkbook
2017	Healthcare & Family Services	Central Dupage Hospital Assn	$18,440,845.25	Illinois State Checkbook
2019	Transportation	Mccarthy Improvement Co	$18,432,431.63	Illinois State Checkbook
2023	Commerce And Economic Opportun	Aero Special Educ Coop	$18,420,737.96	Illinois State Checkbook
2021	Il State Toll Highway Auth	Electronic Transaction	$18,418,550.48	Illinois State Checkbook
2020	Healthcare & Family Services	The Methodist Medical Ctr Il	$18,414,703.76	Illinois State Checkbook
2022	Innovation And Technology	Sap Public Services Inc	$18,406,870.60	Illinois State Checkbook
2017	Revenue	Educational Svc Region Office	$18,405,654.13	Illinois State Checkbook
2020	Public Health	Merck Sharp & Dohme Corp	$18,400,859.12	Illinois State Checkbook
2023	Il Law Enforce Train & Stds Bd	Traffic & Crim Conviction Sur	$18,400,000.00	Illinois State Checkbook
2021	Transportation	Walsh Construction Co Ii Llc	$18,386,951.54	Illinois State Checkbook
2023	Healthcare & Family Services	Saint Anthony Hospital	$18,384,481.68	Illinois State Checkbook
2018	State Board Of Education	Mascoutah Community Unit	$18,381,948.01	Illinois State Checkbook
2019	Revenue	Dekalb City Treasurer	$18,374,516.22	Illinois State Checkbook
2020	State Board Of Education	Consolidated Hg Schl Dist 230	$18,373,404.00	Illinois State Checkbook
2021	Human Services	Trilogy Inc	$18,366,296.88	Illinois State Checkbook
2023	Commerce And Economic Opportun	Community Action Partnership	$18,353,366.38	Illinois State Checkbook
2019	Aging	Universal Industries Inc	$18,337,227.96	Illinois State Checkbook
2023	State Board Of Education	Frankfort Community Unit	$18,334,560.28	Illinois State Checkbook
2021	Human Services	Gateway Foundation Inc	$18,333,950.53	Illinois State Checkbook
2022	Innovation And Technology	Matrix Systems Group Inc	$18,330,235.88	Illinois State Checkbook
2019	Human Services	Hoosier Care Inc	$18,329,562.12	Illinois State Checkbook
2022	Environmental Protect Agency	Wheaton Sanitary District	$18,324,682.07	Illinois State Checkbook
2022	State Board Of Education	Northfield Township School Tre	$18,322,032.50	Illinois State Checkbook
2020	Il Emergency Management Agcy	Ebw Distributors Llc	$18,290,400.00	Illinois State Checkbook
2017	Human Services	United Community Banks Inc	$18,289,000.00	Illinois State Checkbook
2019	Human Services	University Of Illinois	$18,273,625.46	Illinois State Checkbook
2023	State Board Of Education	Mchenry Cmnty Consolidated	$18,241,361.27	Illinois State Checkbook
2017	Environmental Protect Agency	Lake County	$18,237,364.56	Illinois State Checkbook
2020	State Board Of Education	East Moline School District 37	$18,234,663.82	Illinois State Checkbook
2023	Revenue	Streamwood Village Treasurer	$18,229,056.53	Illinois State Checkbook
2020	Revenue	Highland Park City Treasurer	$18,220,475.30	Illinois State Checkbook
2022	Central Management	Atrium Mall Llc	$18,209,089.30	Illinois State Checkbook
2017	Healthcare & Family Services	Roseland Community Hosp Assn	$18,205,969.38	Illinois State Checkbook
2018	Healthcare & Family Services	Granite City Il Hosp Co Llc	$18,199,790.26	Illinois State Checkbook
2022	Environmental Protect Agency	Village Of Oak Lawn	$18,190,994.47	Illinois State Checkbook
2022	Transportation	Rock Island County Mmtd	$18,178,423.95	Illinois State Checkbook
2021	Revenue	Tazewell County Treasurer	$18,170,482.82	Illinois State Checkbook
2022	Revenue	J S Morton Twp Hs 201	$18,152,105.55	Illinois State Checkbook
2018	State Board Of Education	Concept Schools Inc	$18,147,307.29	Illinois State Checkbook
2020	Illinois Gaming Board	City Of Des Plaines	$18,137,821.40	Illinois State Checkbook
2020	Revenue	Wheaton City Treasurer	$18,128,939.81	Illinois State Checkbook
2020	Revenue	New Lenox Village Treasurer	$18,120,883.85	Illinois State Checkbook
2023	Revenue	Woodridge Village Treasurer	$18,117,955.91	Illinois State Checkbook
2023	State Board Of Education	Beach Park Consolidated Schl	$18,108,975.22	Illinois State Checkbook
2019	Il State Toll Highway Auth	Hntb Corp	$18,104,781.64	Illinois State Checkbook
2023	Human Services	Annashae Corp	$18,101,313.29	Illinois State Checkbook
2021	Revenue	Urbana City Treasurer	$18,078,007.83	Illinois State Checkbook
2019	Revenue	Wheaton City Treasurer	$18,076,712.33	Illinois State Checkbook
2020	State Board Of Education	North Palos School Dist 117	$18,076,257.91	Illinois State Checkbook
2020	Revenue	Hanover Park Village Treasurer	$18,067,048.75	Illinois State Checkbook
2018	Healthcare & Family Services	Bhc Streamwood Hospital Inc	$18,046,853.97	Illinois State Checkbook
2021	Transportation	A Lamp Concrete Contractor Inc	$18,046,392.77	Illinois State Checkbook
2019	State Board Of Education	Zion Benton Township High Schl	$18,027,073.89	Illinois State Checkbook
2022	Aging	Care For Soul Inc	$18,015,161.89	Illinois State Checkbook
2017	Aging	European Service At Home Inc	$18,011,595.30	Illinois State Checkbook
2017	Revenue	Carol Stream Village Treasurer	$18,002,301.08	Illinois State Checkbook
2022	Healthcare & Family Services	Javon Bea Hospital	$17,998,383.69	Illinois State Checkbook
2021	Transportation	B & O Chicago Term Rr	$17,988,159.52	Illinois State Checkbook
2018	Il Student Assistance Comm	De Paul University	$17,982,648.40	Illinois State Checkbook
2018	State Board Of Education	Special Ed Dist Of Lake County	$17,979,736.79	Illinois State Checkbook
2019	Transportation	Greater Peoria Mass Transit	$17,978,538.49	Illinois State Checkbook
2019	Revenue	Carol Stream Village Treasurer	$17,968,992.19	Illinois State Checkbook
2023	State Board Of Education	Mt Vernon City Schools Dist 80	$17,960,658.75	Illinois State Checkbook
2021	Il Emergency Management Agcy	Northshore University Health	$17,950,808.58	Illinois State Checkbook
2020	State Board Of Education	Minooka Community Consolidated	$17,942,126.63	Illinois State Checkbook
2017	Transportation	Lake County	$17,935,578.73	Illinois State Checkbook
2022	State Board Of Education	Oak Park School District 97	$17,928,796.08	Illinois State Checkbook
2023	Revenue	Evergreen Park Village Treasur	$17,925,387.99	Illinois State Checkbook
2023	Healthcare & Family Services	Rml Health Providers Ltd Ptshp	$17,925,228.21	Illinois State Checkbook
2019	State Board Of Education	Community High Schl Dist 155	$17,905,354.98	Illinois State Checkbook
2018	Healthcare & Family Services	Roseland Community Hosp Assn	$17,903,795.65	Illinois State Checkbook
2018	Revenue	Glendale Heights Vlg Treasurer	$17,890,057.81	Illinois State Checkbook