Year	Employer	Vendor Name	Amount	Source
2019	Transportation	Judlau Contracting Inc	$63,296,143.49	Illinois State Checkbook
2020	Healthcare & Family Services	Rush University Medical Center	$63,217,409.22	Illinois State Checkbook
2021	Supreme Court	Cook County	$63,189,359.12	Illinois State Checkbook
2018	Revenue	Rockford City Comptroller	$63,031,048.29	Illinois State Checkbook
2021	State Board Of Education	Maine Twp School Treasurer	$62,930,015.12	Illinois State Checkbook
2020	Healthcare & Family Services	Humana Health Plan Inc	$62,792,808.63	Illinois State Checkbook
2018	Human Services	The Catholic Charities Of The	$62,634,103.96	Illinois State Checkbook
2017	Revenue	Naperville City Treasurer	$62,469,683.11	Illinois State Checkbook
2020	Il State Toll Highway Auth	Walsh Construction Co Ii Llc	$62,450,493.67	Illinois State Checkbook
2022	Revenue	Elgin City Treasurer	$62,295,117.17	Illinois State Checkbook
2018	Revenue	Peoria City Treasurer	$62,230,709.61	Illinois State Checkbook
2020	Healthcare & Family Services	Saint Francis Medical Center	$62,207,795.25	Illinois State Checkbook
2017	Revenue	Peoria City Treasurer	$61,957,802.35	Illinois State Checkbook
2023	Transportation	William Charles Constrctn Llc	$61,814,620.81	Illinois State Checkbook
2017	Healthcare & Family Services	Dentaquest Group Inc	$61,763,783.90	Illinois State Checkbook
2023	Healthcare & Family Services	Saint Francis Medical Center	$61,761,725.82	Illinois State Checkbook
2021	Il Community College Board	Board Of Ttees Comm Coll Dist	$61,573,454.99	Illinois State Checkbook
2023	State Board Of Education	Cahokia Comm School Dist 187	$61,401,957.40	Illinois State Checkbook
2018	State Board Of Education	Round Lake Area Schools Distri	$61,368,607.25	Illinois State Checkbook
2022	Innovation And Technology	Cdw Llc	$61,279,811.54	Illinois State Checkbook
2021	Revenue	Chicago Park District	$61,249,408.23	Illinois State Checkbook
2017	Revenue	Rockford City Comptroller	$61,226,630.03	Illinois State Checkbook
2017	Il State Toll Highway Auth	Judlau Contracting Inc	$61,196,815.39	Illinois State Checkbook
2023	Il State Toll Highway Auth	Plote Construction Inc	$61,133,248.37	Illinois State Checkbook
2022	Il Community College Board	Board Of Ttees Comm Coll Dist	$60,899,244.33	Illinois State Checkbook
2022	State Board Of Education	Rock Island School Dstrct #41	$60,825,700.74	Illinois State Checkbook
2018	Revenue	Will County Treasurer	$60,767,232.15	Illinois State Checkbook
2022	Supreme Court	Cook County	$60,695,654.42	Illinois State Checkbook
2023	Il Emergency Management Agcy	Favorite Healthcare Staffing	$60,685,862.97	Illinois State Checkbook
2023	State Board Of Education	Community Unit School District	$60,679,261.95	Illinois State Checkbook
2020	Il Community College Board	Board Of Ttees Comm Coll Dist	$60,573,992.65	Illinois State Checkbook
2022	Revenue	Revenue Dept Of	$60,553,205.67	Illinois State Checkbook
2021	Human Services	Illinois Dept Of Human Svcs	$60,503,095.00	Illinois State Checkbook
2021	Revenue	Village Of Schaumburg	$60,422,209.79	Illinois State Checkbook
2023	Central Management	Tristar Risk Enterprise Mgt	$60,398,000.00	Illinois State Checkbook
2023	State Board Of Education	Granite City Cusd 9	$60,363,490.39	Illinois State Checkbook
2021	State Board Of Education	Community Consolidated School	$60,317,671.29	Illinois State Checkbook
2021	Healthcare & Family Services	Northwestern Memorial Hospital	$60,291,576.11	Illinois State Checkbook
2023	Revenue	Revenue Dept Of	$60,004,429.70	Illinois State Checkbook
2017	Healthcare & Family Services	Saint Francis Medical Center	$59,760,196.35	Illinois State Checkbook
2018	Healthcare & Family Services	Northwestern Memorial Hospital	$59,649,299.85	Illinois State Checkbook
2023	Central Management	Jrtc Holdings Llc	$59,588,222.00	Illinois State Checkbook
2021	Corrections	Reditus Laboratories Llc	$59,573,446.50	Illinois State Checkbook
2022	Human Services	Favorite Healthcare Staffing	$59,388,925.24	Illinois State Checkbook
2019	Il State Toll Highway Auth	Walsh Construction Co Ii Llc	$59,152,561.39	Illinois State Checkbook
2019	Healthcare & Family Services	Mount Sinai Hosp Medical Ctr	$59,083,473.18	Illinois State Checkbook
2019	Healthcare & Family Services	Humana Health Plan Inc	$59,065,787.26	Illinois State Checkbook
2023	Architect Of The Capitol	Core Construction Svc Of Il	$58,929,915.65	Illinois State Checkbook
2023	State Board Of Education	Rock Island School Dstrct #41	$58,845,109.15	Illinois State Checkbook
2023	Revenue	Bolingbrook Village Treasurer	$58,782,084.24	Illinois State Checkbook
2022	Transportation	Advanced Asphalt Company	$58,508,958.79	Illinois State Checkbook
2022	Healthcare & Family Services	Rush University Medical Center	$58,495,687.60	Illinois State Checkbook
2021	Revenue	Winnebago County Treasurer Off	$58,254,620.21	Illinois State Checkbook
2019	Il State Toll Highway Auth	Curran Contracting Company	$58,214,439.86	Illinois State Checkbook
2017	Revenue	Will County Treasurer	$58,214,032.33	Illinois State Checkbook
2019	Healthcare & Family Services	Saint Francis Medical Center	$58,142,538.58	Illinois State Checkbook
2022	Comptroller	State Univ Retirement System	$58,138,900.00	Illinois State Checkbook
2020	Il Sports Facilities Auth	Illinois Sports Facilities	$58,000,000.00	Illinois State Checkbook
2022	Human Services	The Catholic Charities Of The	$57,839,726.98	Illinois State Checkbook
2019	Human Services	The Catholic Charities Of The	$57,808,697.99	Illinois State Checkbook
2017	State Board Of Education	Thornton Fractional Twp School	$57,788,978.30	Illinois State Checkbook
2019	Transportation	Lorig Construction Company	$57,775,337.19	Illinois State Checkbook
2022	State Board Of Education	Granite City Cusd 9	$57,575,124.03	Illinois State Checkbook
2023	State Board Of Education	Belvidere Community Unit	$57,540,659.04	Illinois State Checkbook
2019	State Board Of Education	Indian Prairie Community Unit	$57,302,220.24	Illinois State Checkbook
2023	Transportation	Lorig Construction Company	$57,130,560.07	Illinois State Checkbook
2019	Il Sports Facilities Auth	Illinois Sports Facilities	$57,000,000.00	Illinois State Checkbook
2022	State Board Of Education	Belvidere Community Unit	$56,901,055.42	Illinois State Checkbook
2017	State Board Of Education	Valley View Public Schools	$56,852,273.16	Illinois State Checkbook
2017	Transportation	National Railroad Passenger Co	$56,849,512.58	Illinois State Checkbook
2020	University Of Illinois	University Of Illinois	$56,734,162.29	Illinois State Checkbook
2023	Innovation And Technology	Ibm Corporation	$56,692,995.63	Illinois State Checkbook
2019	Environmental Protect Agency	Morton Grove-Niles Water Comm	$56,670,400.87	Illinois State Checkbook
2018	State Board Of Education	Wheeling Township Schools	$56,474,652.28	Illinois State Checkbook
2021	State Board Of Education	Danville Community Consolidate	$56,427,409.45	Illinois State Checkbook
2017	Transportation	Lorig Construction Company	$56,298,695.69	Illinois State Checkbook
2022	Revenue	Bolingbrook Village Treasurer	$56,270,740.56	Illinois State Checkbook
2023	Comptroller	Healthcare And Family Services	$56,228,256.43	Illinois State Checkbook
2023	Human Services	Chicago Alliance To End Hmlsns	$56,106,496.60	Illinois State Checkbook
2019	State Board Of Education	Wheeling Township Schools	$55,865,683.31	Illinois State Checkbook
2017	Aging	Community Care Systems	$55,846,629.33	Illinois State Checkbook
2018	State Board Of Education	Indian Prairie Community Unit	$55,802,338.43	Illinois State Checkbook
2020	Il State Toll Highway Auth	Plote Construction Inc &	$55,512,500.01	Illinois State Checkbook
2023	State Board Of Education	Alton Comm Unit School Dist	$55,210,347.18	Illinois State Checkbook
2020	Revenue	Revenue Dept Of	$55,156,665.98	Illinois State Checkbook
2018	State Board Of Education	Regional Office Of Educ 30	$54,743,384.59	Illinois State Checkbook
2023	Healthcare & Family Services	Mount Sinai Hosp Medical Ctr	$54,705,185.94	Illinois State Checkbook
2021	Revenue	Kane County Treasurer	$54,689,024.73	Illinois State Checkbook
2023	State Board Of Education	North Chicago School District	$54,573,780.78	Illinois State Checkbook
2018	Transportation	E T Simonds Construction Co	$54,547,682.54	Illinois State Checkbook
2020	Transportation	Advanced Asphalt Company	$54,514,476.90	Illinois State Checkbook
2021	Revenue	Metrpltn Water Rclm Dist Of Ch	$54,435,018.97	Illinois State Checkbook
2020	State Board Of Education	Maine Twp School Treasurer	$54,281,057.67	Illinois State Checkbook
2020	Capital Development Board	River City Construction Llc	$54,262,945.48	Illinois State Checkbook
2020	Transportation	R W Dunteman Company	$54,216,820.32	Illinois State Checkbook
2019	Revenue	Revenue Dept Of	$54,212,617.89	Illinois State Checkbook
2020	Supreme Court	Cook County	$54,149,074.63	Illinois State Checkbook
2023	State Board Of Education	Harlem Consolidated School	$54,111,960.22	Illinois State Checkbook
2017	Il Sports Facilities Auth	Illinois Sports Facilities	$54,000,000.00	Illinois State Checkbook
2018	Il Sports Facilities Auth	Illinois Sports Facilities	$54,000,000.00	Illinois State Checkbook