Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Old Second National Bank | Aurora, IL | 11-21-1887 | $5,699,285 | BK |
| Morton Community Bank | Morton, IL | 08-26-1961 | $5,468,022 | BK |
| Heartland Bank and Trust Company | Bloomington, IL | 02-22-1971 | $5,015,701 | BK |
| STATE FARM | Bloomington, IL | 01-01-1936 | $4,925,453 | CU |
| Barrington Bank & Trust Company, National Association | Barrington, IL | 12-19-1996 | $4,677,673 | BK |
| CONSUMERS | lake Forest, IL | 01-01-1930 | $4,299,867 | CU |
| Wheaton Bank & Trust, National Association | Wheaton, IL | 05-17-1993 | $4,069,969 | BK |
| State Bank of India | Chicago, IL | 07-05-1955 | $4,053,864 | BK |
| United Community Bank | Chatham, IL | 07-12-1965 | $3,880,625 | BK |
| Carrollton Bank | Carrollton, IL | 01-01-1877 | $3,686,498 | BK |
| Parkway Bank and Trust Company | Harwood Heights, IL | 01-22-1964 | $3,548,084 | BK |
| St. Charles Bank & Trust Company, National Association | Saint Charles, IL | 09-21-1987 | $3,314,514 | BK |
| Banterra Bank | Marion, IL | 11-26-1955 | $3,210,106 | BK |
| Village Bank and Trust, National Association | Arlington Heights, IL | 05-08-1995 | $3,193,083 | BK |
| Old Plank Trail Community Bank, National Association | New Lenox, IL | 03-16-2006 | $3,134,318 | BK |