| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
Revenue |
North Chicago City Treasurer |
$9,045,161.63 |
Illinois State Checkbook |
| 2023 |
Public Health |
Cook County |
$9,043,827.14 |
Illinois State Checkbook |
| 2017 |
Revenue |
Lincolnwood Village Treasurer |
$9,036,858.26 |
Illinois State Checkbook |
| 2023 |
Revenue |
Putnam County Cusd 535 |
$9,028,541.42 |
Illinois State Checkbook |
| 2024 |
Il State Toll Highway Auth |
Electronic Transaction |
$9,027,791.89 |
Illinois State Checkbook |
| 2022 |
Aging |
New Age Elder Care Inc |
$9,027,684.51 |
Illinois State Checkbook |
| 2022 |
Healthcare & Family Services |
Northwestern Lake Forest Hsptl |
$9,024,457.99 |
Illinois State Checkbook |
| 2018 |
State Board Of Education |
Central Community Unit |
$9,022,380.56 |
Illinois State Checkbook |
| 2019 |
Revenue |
Jacksonville City Treasurer |
$9,021,148.43 |
Illinois State Checkbook |
| 2021 |
State Board Of Education |
Hillsboro Community Unit |
$9,015,963.96 |
Illinois State Checkbook |
| 2021 |
Il State Toll Highway Auth |
Bowman Consulting Group Ltd |
$9,015,181.74 |
Illinois State Checkbook |
| 2019 |
Il Community College Board |
William Rainey Harper College |
$9,014,011.32 |
Illinois State Checkbook |
| 2021 |
Transportation |
Plocher Construction Company |
$9,013,693.49 |
Illinois State Checkbook |
| 2021 |
Revenue |
Antioch Village Treasurer |
$9,012,357.85 |
Illinois State Checkbook |
| 2017 |
Revenue |
Crestwood Village Treasurer |
$9,012,214.88 |
Illinois State Checkbook |
| 2022 |
State Board Of Education |
Waterloo Community Unit School |
$9,011,046.86 |
Illinois State Checkbook |
| 2022 |
Il Community College Board |
Community College Dist No 536 |
$9,009,879.95 |
Illinois State Checkbook |
| 2018 |
State Board Of Education |
Orland School District No 135 |
$9,009,000.38 |
Illinois State Checkbook |
| 2022 |
State Board Of Education |
Dunlap Community Unit School |
$9,008,191.39 |
Illinois State Checkbook |
| 2017 |
Revenue |
Montgomery Village Treasurer |
$9,007,492.09 |
Illinois State Checkbook |
| 2021 |
State Board Of Education |
Hawthorn School Dist 73 |
$9,005,427.94 |
Illinois State Checkbook |
| 2020 |
Healthcare & Family Services |
Ssm-Sluh Inc |
$9,003,356.96 |
Illinois State Checkbook |
| 2018 |
Il Student Assistance Comm |
Board Of Ttees Comm Coll Dist |
$9,002,769.50 |
Illinois State Checkbook |
| 2019 |
State Board Of Education |
Queen Bee School District No 1 |
$9,000,399.74 |
Illinois State Checkbook |
| 2023 |
Revenue |
Rock Island City |
$9,000,080.33 |
Illinois State Checkbook |
| 2023 |
Public Health |
South Shore Hospital Corp |
$9,000,000.00 |
Illinois State Checkbook |
| 2023 |
Public Health |
Roseland Community Hosp Assn |
$9,000,000.00 |
Illinois State Checkbook |
| 2019 |
State Board Of Education |
Orland School District No 135 |
$8,993,488.10 |
Illinois State Checkbook |
| 2020 |
Healthcare & Family Services |
Loretto Hospital |
$8,993,442.05 |
Illinois State Checkbook |
| 2021 |
Healthcare & Family Services |
Pediatric Services Of America |
$8,993,278.61 |
Illinois State Checkbook |
| 2024 |
Revenue |
Madison Co Flood Prvntn Dist |
$8,990,637.04 |
Illinois State Checkbook |
| 2020 |
Commerce And Economic Opportun |
Community Action Partnership |
$8,986,710.26 |
Illinois State Checkbook |
| 2023 |
State Board Of Education |
Chester Community Unit |
$8,985,677.48 |
Illinois State Checkbook |
| 2022 |
Revenue |
Forest Park Village Treasurer |
$8,984,846.84 |
Illinois State Checkbook |
| 2017 |
Revenue |
Wilmette Village Treasurer |
$8,984,548.02 |
Illinois State Checkbook |
| 2022 |
Transportation |
Dekalb County |
$8,983,608.22 |
Illinois State Checkbook |
| 2023 |
Transportation |
Sangamon County Of |
$8,982,364.34 |
Illinois State Checkbook |
| 2020 |
Aging |
Assyrian National Cuncl Of Il |
$8,978,894.02 |
Illinois State Checkbook |
| 2023 |
Revenue |
Bourbonnais Village Treasurer |
$8,978,436.33 |
Illinois State Checkbook |
| 2023 |
Revenue |
Woodford County Treasurer |
$8,978,131.48 |
Illinois State Checkbook |
| 2018 |
Healthcare & Family Services |
Washington University |
$8,977,351.20 |
Illinois State Checkbook |
| 2023 |
State Board Of Education |
School District 200 Sherrard |
$8,976,586.82 |
Illinois State Checkbook |
| 2021 |
Il Community College Board |
Illinois Central College |
$8,976,577.85 |
Illinois State Checkbook |
| 2019 |
Revenue |
Morris City Treasurer |
$8,975,624.11 |
Illinois State Checkbook |
| 2021 |
Transportation |
Dupage County Department Of |
$8,975,567.88 |
Illinois State Checkbook |
| 2017 |
Revenue |
Effingham City Treasurer |
$8,974,992.67 |
Illinois State Checkbook |
| 2020 |
Revenue |
Regional Office Education 11 |
$8,973,087.06 |
Illinois State Checkbook |
| 2020 |
Human Services |
Dupage County |
$8,971,800.61 |
Illinois State Checkbook |
| 2017 |
Revenue |
Chicago Ridge Village Treasure |
$8,971,313.50 |
Illinois State Checkbook |
| 2022 |
Environmental Protect Agency |
City Of Lincoln |
$8,968,022.73 |
Illinois State Checkbook |
| 2022 |
Corrections |
Constellation New Energy Inc |
$8,967,063.19 |
Illinois State Checkbook |
| 2024 |
Transportation |
Greater Rockford Airport Auth |
$8,964,405.84 |
Illinois State Checkbook |
| 2020 |
State Board Of Education |
Rock Falls Schools |
$8,963,621.78 |
Illinois State Checkbook |
| 2022 |
Revenue |
Bedford Park Village Treas |
$8,962,294.27 |
Illinois State Checkbook |
| 2024 |
Il Student Assistance Comm |
Chicago State University |
$8,960,357.70 |
Illinois State Checkbook |
| 2017 |
Central Management |
Us Bank National Association |
$8,959,097.54 |
Illinois State Checkbook |
| 2023 |
Human Services |
Little City Foundation |
$8,959,020.62 |
Illinois State Checkbook |
| 2017 |
Human Services |
Human Service Center |
$8,957,258.64 |
Illinois State Checkbook |
| 2018 |
State Police |
Dupage County Department Of |
$8,957,228.78 |
Illinois State Checkbook |
| 2019 |
Revenue |
Ottawa City Treasurer |
$8,954,809.74 |
Illinois State Checkbook |
| 2020 |
Revenue |
Yorkville City Treasurer |
$8,951,959.33 |
Illinois State Checkbook |
| 2017 |
Transportation |
Cross Construction Inc |
$8,950,172.92 |
Illinois State Checkbook |
| 2024 |
Commerce And Economic Opportun |
City Of Marengo |
$8,949,612.28 |
Illinois State Checkbook |
| 2021 |
State Board Of Education |
Pikeland Cmnty Schl Dist No 10 |
$8,947,833.97 |
Illinois State Checkbook |
| 2021 |
Healthcare & Family Services |
Waukegan Illinois Hosp Co Llc |
$8,947,419.65 |
Illinois State Checkbook |
| 2024 |
Aging |
Western Il Agcy On Aging Inc |
$8,946,925.70 |
Illinois State Checkbook |
| 2022 |
State Board Of Education |
Johnston City Community Unit 1 |
$8,946,878.96 |
Illinois State Checkbook |
| 2024 |
Secretary Of State |
Macon Resources Inc |
$8,946,057.42 |
Illinois State Checkbook |
| 2021 |
Transportation |
Springfield City Of |
$8,945,596.48 |
Illinois State Checkbook |
| 2018 |
Revenue |
Lincolnwood Village Treasurer |
$8,945,161.62 |
Illinois State Checkbook |
| 2019 |
Transportation |
J A Johnson Paving |
$8,943,197.18 |
Illinois State Checkbook |
| 2023 |
Central Management |
Aetna Life Insurance Co |
$8,942,739.27 |
Illinois State Checkbook |
| 2022 |
State Board Of Education |
Iroquois County Community Unit |
$8,940,792.18 |
Illinois State Checkbook |
| 2017 |
Healthcare & Family Services |
Presence Saint Joseph Hospital |
$8,940,187.29 |
Illinois State Checkbook |
| 2020 |
Transportation |
Mclean County |
$8,940,030.68 |
Illinois State Checkbook |
| 2021 |
Healthcare & Family Services |
Highland Park Cvs Llc |
$8,939,503.19 |
Illinois State Checkbook |
| 2019 |
Revenue |
Wood Dale Village Treasurer |
$8,934,433.03 |
Illinois State Checkbook |
| 2024 |
Revenue |
Wood River City Treasurer |
$8,932,615.53 |
Illinois State Checkbook |
| 2022 |
Central Management |
Cvs Pharmacy Inc |
$8,930,324.90 |
Illinois State Checkbook |
| 2020 |
Juvenile Justice |
Jessamine Healthcare Inc |
$8,929,526.31 |
Illinois State Checkbook |
| 2022 |
Il State Toll Highway Auth |
Bowman Consulting Group Ltd |
$8,928,345.09 |
Illinois State Checkbook |
| 2019 |
Transportation |
Keller Construction Inc |
$8,927,442.05 |
Illinois State Checkbook |
| 2023 |
Revenue |
Belvidere Cusd 100 |
$8,926,958.83 |
Illinois State Checkbook |
| 2018 |
Revenue |
Village Of Homer Glen |
$8,926,104.16 |
Illinois State Checkbook |
| 2019 |
Il Community College Board |
College Of Lake County |
$8,925,082.93 |
Illinois State Checkbook |
| 2019 |
Transportation |
Southern Illinois Asphalt Co I |
$8,922,235.60 |
Illinois State Checkbook |
| 2017 |
Revenue |
West Chicago City Treasurer |
$8,921,455.12 |
Illinois State Checkbook |
| 2023 |
Transportation |
Civil Constructors Inc |
$8,920,857.89 |
Illinois State Checkbook |
| 2024 |
State Board Of Education |
Manhattan School District No 1 |
$8,920,332.25 |
Illinois State Checkbook |
| 2020 |
Transportation |
Charles E Mahoney Co |
$8,920,240.06 |
Illinois State Checkbook |
| 2017 |
State Board Of Education |
Carterville Community School |
$8,918,533.39 |
Illinois State Checkbook |
| 2019 |
Environmental Protect Agency |
City Of Geneva |
$8,918,496.50 |
Illinois State Checkbook |
| 2023 |
Illinois Gaming Board |
City Of Elgin |
$8,918,044.72 |
Illinois State Checkbook |
| 2024 |
Revenue |
Godfrey Village Treasurer |
$8,914,859.44 |
Illinois State Checkbook |
| 2021 |
Commerce And Economic Opportun |
Rockford City Of |
$8,912,499.28 |
Illinois State Checkbook |
| 2021 |
Governor's Off Of Mgt & Budget |
U S Bank Trust National Assn |
$8,912,113.25 |
Illinois State Checkbook |
| 2020 |
Il State Toll Highway Auth |
Transystems Corporation |
$8,911,280.25 |
Illinois State Checkbook |
| 2022 |
Public Health |
Dupage County |
$8,911,276.39 |
Illinois State Checkbook |
| 2022 |
Healthcare & Family Services |
Laboratory Corp Of America |
$8,908,990.16 |
Illinois State Checkbook |
| 2020 |
Revenue |
Morris City Treasurer |
$8,907,105.66 |
Illinois State Checkbook |