Year	Employer	Vendor Name	Amount	Source
2022	Awards And Grants	Healthcare & Family Services	$11,036,235,751.79	Illinois State Checkbook
2022	Awards And Grants	Revenue	$7,747,334,358.13	Illinois State Checkbook
2021	Healthcare & Family Services	Meridian Health Plan Inc	$6,253,561,496.24	Illinois State Checkbook
2022	Awards And Grants	Teachers' Retirement System	$5,634,276,536.40	Illinois State Checkbook
2022	Healthcare & Family Services	Health Care Service Corp	$5,554,066,688.60	Illinois State Checkbook
2021	Treasurer	Treasurer Office Of	$5,437,173,587.50	Illinois State Checkbook
2022	Healthcare & Family Services	Cook County	$5,191,053,266.91	Illinois State Checkbook
2022	Debt Service	Treasurer	$5,100,591,406.19	Illinois State Checkbook
2021	Teachers' Retirement System	Teachers Retirement System	$5,086,603,005.40	Illinois State Checkbook
2022	Awards And Grants	State Board Of Education	$5,056,518,901.64	Illinois State Checkbook
2020	Healthcare & Family Services	Meridian Health Plan Inc	$4,870,143,705.21	Illinois State Checkbook
2020	Teachers' Retirement System	Teachers Retirement System	$4,764,281,094.87	Illinois State Checkbook
2021	Healthcare & Family Services	Health Care Service Corp	$4,740,875,619.18	Illinois State Checkbook
2021	Healthcare & Family Services	Cook County	$4,669,875,773.58	Illinois State Checkbook
2019	Treasurer	Treasurer Office Of	$4,073,812,177.98	Illinois State Checkbook
2020	Healthcare & Family Services	Cook County	$3,904,521,156.46	Illinois State Checkbook
2019	Teachers' Retirement System	Teachers Retirement System	$3,858,262,361.89	Illinois State Checkbook
2022	Healthcare & Family Services	Aetna Better Health Inc	$3,775,997,141.49	Illinois State Checkbook
2018	Teachers' Retirement System	Teachers Retirement System	$3,622,735,344.72	Illinois State Checkbook
2020	Healthcare & Family Services	Health Care Service Corp	$3,560,477,424.13	Illinois State Checkbook
2018	Treasurer	Treasurer Office Of	$3,464,327,575.30	Illinois State Checkbook
2017	Teachers' Retirement System	Teachers Retirement System	$3,444,456,251.66	Illinois State Checkbook
2017	Treasurer	Treasurer Office Of	$3,355,566,056.18	Illinois State Checkbook
2019	Healthcare & Family Services	Cook County	$3,334,334,909.99	Illinois State Checkbook
2019	Healthcare & Family Services	Meridian Health Plan Inc	$3,133,646,624.59	Illinois State Checkbook
2020	Treasurer	Treasurer Office Of	$3,110,173,525.49	Illinois State Checkbook
2020	Healthcare & Family Services	Illinicare Health Plan Inc	$3,066,341,686.52	Illinois State Checkbook
2022	Employment Security	Illinois Dept Employmnt Sec	$2,706,404,587.00	Illinois State Checkbook
2018	Healthcare & Family Services	Cook County	$2,387,823,973.85	Illinois State Checkbook
2019	Healthcare & Family Services	Health Care Service Corp	$2,203,638,030.39	Illinois State Checkbook
2018	Healthcare & Family Services	Health Care Service Corp	$2,114,672,047.63	Illinois State Checkbook
2021	Healthcare & Family Services	Aetna Better Health Inc	$2,053,695,654.77	Illinois State Checkbook
2019	Healthcare & Family Services	Illinicare Health Plan Inc	$2,027,731,193.36	Illinois State Checkbook
2021	Healthcare & Family Services	Molina Healthcare Of Illinois	$2,023,272,899.12	Illinois State Checkbook
2017	State Board Of Education	Chicago Board Of Education	$2,023,127,301.39	Illinois State Checkbook
2017	Healthcare & Family Services	Cook County	$1,973,833,713.82	Illinois State Checkbook
2018	Healthcare & Family Services	Meridian Health Plan Inc	$1,931,861,106.54	Illinois State Checkbook
2022	Awards And Grants	Transportation	$1,833,655,046.93	Illinois State Checkbook
2022	State Board Of Education	City Of Chicago Sd 299	$1,738,884,693.63	Illinois State Checkbook
2020	State Board Of Education	City Of Chicago Sd 299	$1,666,153,231.49	Illinois State Checkbook
2021	State Board Of Education	City Of Chicago Sd 299	$1,658,276,438.30	Illinois State Checkbook
2022	State Board Of Education	Chicago Board Of Education	$1,623,346,658.62	Illinois State Checkbook
2019	State Board Of Education	City Of Chicago Sd 299	$1,605,782,570.58	Illinois State Checkbook
2018	Healthcare & Family Services	Illinicare Health Plan Inc	$1,583,401,476.26	Illinois State Checkbook
2018	State Board Of Education	City Of Chicago Sd 299	$1,540,295,309.96	Illinois State Checkbook
2020	Healthcare & Family Services	Molina Healthcare Of Illinois	$1,482,000,982.77	Illinois State Checkbook
2021	Healthcare & Family Services	Illinicare Health Plan Inc	$1,414,849,135.36	Illinois State Checkbook
2017	Treasurer	Amalgamated Bank Of Chicago	$1,392,723,485.50	Illinois State Checkbook
2021	State Board Of Education	Chicago Board Of Education	$1,351,627,405.45	Illinois State Checkbook
2020	Revenue	Regional Transportation	$1,253,421,935.29	Illinois State Checkbook
2019	Revenue	Regional Transportation	$1,234,022,694.93	Illinois State Checkbook
2022	Revenue	Cook County Treasurer	$1,204,230,266.70	Illinois State Checkbook
2018	Revenue	Regional Transportation	$1,194,696,379.10	Illinois State Checkbook
2021	Revenue	Regional Transportation	$1,194,057,564.02	Illinois State Checkbook
2017	Revenue	Regional Transportation	$1,190,329,488.94	Illinois State Checkbook
2019	Treasurer	The Bank Of New York Mellon	$1,016,427,166.00	Illinois State Checkbook
2020	State Board Of Education	Chicago Board Of Education	$1,002,929,581.57	Illinois State Checkbook
2022	Highway/Waterway Construction	Transportation	$983,705,100.40	Illinois State Checkbook
2017	Healthcare & Family Services	Health Care Service Corp	$981,480,527.54	Illinois State Checkbook
2017	Healthcare & Family Services	Meridian Health Plan Inc	$973,793,823.19	Illinois State Checkbook
2019	Healthcare & Family Services	Molina Healthcare Of Illinois	$967,069,980.97	Illinois State Checkbook
2018	Healthcare & Family Services	Aetna Better Health Inc	$941,663,080.80	Illinois State Checkbook
2017	Revenue	Chicago City Treasurer	$926,896,770.65	Illinois State Checkbook
2017	Healthcare & Family Services	Aetna Better Health Inc	$925,179,742.77	Illinois State Checkbook
2022	Awards And Grants	Human Services	$906,522,210.21	Illinois State Checkbook
2019	Revenue	Cook County Treasurer	$905,785,416.94	Illinois State Checkbook
2020	Revenue	Cook County Treasurer	$896,542,113.40	Illinois State Checkbook
2018	Revenue	Cook County Treasurer	$893,525,464.28	Illinois State Checkbook
2017	Revenue	Cook County Treasurer	$887,026,727.17	Illinois State Checkbook
2017	Governor's Off Of Mgt & Budget	Us Bank National Association	$845,908,993.54	Illinois State Checkbook
2017	Healthcare & Family Services	Illinicare Health Plan Inc	$841,651,732.00	Illinois State Checkbook
2021	Revenue	Cook County Treasurer	$801,293,777.87	Illinois State Checkbook
2019	State Board Of Education	Chicago Board Of Education	$761,375,127.45	Illinois State Checkbook
2018	State Board Of Education	Chicago Board Of Education	$752,257,723.04	Illinois State Checkbook
2022	Debt Service	Governor's Off Of Mgt & Budget	$751,323,004.75	Illinois State Checkbook
2018	Healthcare & Family Services	Molina Healthcare Of Illinois	$726,262,153.97	Illinois State Checkbook
2022	Healthcare & Family Services	Department Of Health And	$721,144,763.61	Illinois State Checkbook
2020	Revenue	Sales Tax Securitization Corp	$717,723,990.68	Illinois State Checkbook
2019	Revenue	Sales Tax Securitization Corp	$684,018,716.06	Illinois State Checkbook
2020	Healthcare & Family Services	Department Of Health And	$666,739,591.45	Illinois State Checkbook
2021	Healthcare & Family Services	Department Of Health And	$639,121,421.70	Illinois State Checkbook
2019	Healthcare & Family Services	Department Of Health And	$625,592,160.65	Illinois State Checkbook
2021	Revenue	Sales Tax Securitization Corp	$620,320,084.51	Illinois State Checkbook
2021	Transportation	Regional Transportation	$617,830,389.93	Illinois State Checkbook
2018	Revenue	Chicago City Treasurer	$613,415,515.97	Illinois State Checkbook
2022	Highway/Waterway Construction	Il State Toll Highway Auth	$612,592,425.51	Illinois State Checkbook
2022	Revenue	Illinois Housing Dev Authority	$606,861,602.98	Illinois State Checkbook
2018	Healthcare & Family Services	Harmony Health Plan Of Il Inc	$599,859,960.51	Illinois State Checkbook
2017	Healthcare & Family Services	Department Of Health And	$591,417,009.60	Illinois State Checkbook
2020	Transportation	Regional Transportation	$590,810,723.65	Illinois State Checkbook
2022	Revenue	Chicago Board Of Education	$562,743,229.61	Illinois State Checkbook
2018	Healthcare & Family Services	Department Of Health And	$551,405,981.74	Illinois State Checkbook
2021	Governor's Off Of Mgt & Budget	Us Bank National Association	$549,258,890.24	Illinois State Checkbook
2022	State Board Of Education	Bloom Twp School Treasurer	$549,104,805.86	Illinois State Checkbook
2017	Healthcare & Family Services	Family Health Network Inc	$534,943,834.00	Illinois State Checkbook
2017	Healthcare & Family Services	Molina Healthcare Of Illinois	$511,627,230.24	Illinois State Checkbook
2019	Governor's Off Of Mgt & Budget	Us Bank National Association	$508,595,589.49	Illinois State Checkbook
2019	Healthcare & Family Services	Harmony Health Plan Of Il Inc	$508,345,695.30	Illinois State Checkbook
2022	Human Services	Illinois Network Of Child Care	$506,690,192.00	Illinois State Checkbook
2020	Governor's Off Of Mgt & Budget	Us Bank National Association	$497,844,348.55	Illinois State Checkbook