Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Northbrook Bank and Trust Company, National Association | Northbrook, IL | 11-22-2000 | $5,850,740 | BK |
| Morton Community Bank | Morton, IL | 08-26-1961 | $5,398,922 | BK |
| STATE FARM | Bloomington, IL | 01-01-1936 | $5,299,373 | CU |
| Heartland Bank and Trust Company | Bloomington, IL | 02-22-1971 | $5,067,928 | BK |
| State Bank of India | Chicago, IL | 07-05-1955 | $4,777,209 | BK |
| Barrington Bank & Trust Company, National Association | Barrington, IL | 12-19-1996 | $4,769,383 | BK |
| CONSUMERS | lake Forest, IL | 01-01-1930 | $4,502,118 | CU |
| Wheaton Bank & Trust, National Association | Wheaton, IL | 05-17-1993 | $4,478,347 | BK |
| United Community Bank | Chatham, IL | 07-12-1965 | $4,088,428 | BK |
| Carrollton Bank | Carrollton, IL | 01-01-1877 | $3,810,105 | BK |
| Parkway Bank and Trust Company | Harwood Heights, IL | 01-22-1964 | $3,620,138 | BK |
| Village Bank and Trust, National Association | Arlington Heights, IL | 05-08-1995 | $3,499,023 | BK |
| St. Charles Bank & Trust Company, National Association | Saint Charles, IL | 09-21-1987 | $3,454,109 | BK |
| Banterra Bank | Marion, IL | 11-26-1955 | $3,288,735 | BK |
| Old Plank Trail Community Bank, National Association | New Lenox, IL | 03-16-2006 | $3,273,847 | BK |