Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Libertyville Bank & Trust Company, National Association | Libertyville, IL | 10-10-1995 | $3,338,776 | BK |
| CREDIT UNION 1 | Lombard, IL | 01-01-1958 | $2,869,898 | CU |
| Lakeside Bank | Chicago, IL | 04-01-1966 | $2,850,054 | BK |
| State Bank of the Lakes, National Association | Antioch, IL | 01-01-1926 | $2,811,675 | BK |
| Beverly Bank & Trust Company, National Association | Chicago, IL | 04-01-2004 | $2,692,444 | BK |
| INB, National Association | Springfield, IL | 01-01-1905 | $2,684,002 | BK |
| FCB Banks | Collinsville, IL | 07-09-1990 | $2,641,469 | BK |
| Republic Bank of Chicago | Oak Brook, IL | 12-01-1964 | $2,611,110 | BK |
| Schaumburg Bank & Trust Company, National Association | Schaumburg, IL | 01-22-2001 | $2,559,637 | BK |
| I. H. MISSISSIPPI VALLEY | Moline, IL | 01-01-1936 | $2,296,284 | CU |
| EMPEOPLE | Moline, IL | 01-01-1935 | $2,262,449 | CU |
| Crystal Lake Bank and Trust Company, National Association | Crystal Lake, IL | 12-19-1997 | $2,259,402 | BK |
| First Bank Chicago | Highland Park, IL | 07-16-1955 | $2,228,645 | BK |
| Marquette Bank | Chicago, IL | 05-12-1945 | $2,094,911 | BK |
| Peoples National Bank , N.A. | Mount Vernon, IL | 03-01-1909 | $2,083,619 | BK |