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 | $2,844,878 | BK |
| Republic Bank of Chicago | Oak Brook, IL | 12-01-1964 | $2,651,468 | BK |
| Lakeside Bank | Chicago, IL | 04-01-1966 | $2,645,749 | BK |
| FCB Banks | Collinsville, IL | 07-09-1990 | $2,510,982 | BK |
| Beverly Bank & Trust Company, National Association | Chicago, IL | 04-01-2004 | $2,473,643 | BK |
| INB, National Association | Springfield, IL | 01-01-1905 | $2,392,708 | BK |
| I. H. MISSISSIPPI VALLEY | Moline, IL | 01-01-1936 | $2,241,454 | CU |
| Schaumburg Bank & Trust Company, National Association | Schaumburg, IL | 01-22-2001 | $2,186,161 | BK |
| EMPEOPLE | Moline, IL | 01-01-1935 | $2,180,938 | CU |
| Marquette Bank | Chicago, IL | 05-12-1945 | $2,157,848 | BK |
| State Bank of the Lakes, National Association | Antioch, IL | 01-01-1926 | $2,151,549 | BK |
| First Bank Chicago | Highland Park, IL | 07-16-1955 | $1,970,410 | BK |
| Signature Bank | Rosemont, IL | 08-04-2006 | $1,925,382 | BK |
| Blackhawk Bank & Trust | Milan, IL | 06-28-1961 | $1,917,665 | BK |
| CREDIT UNION 1 | Lombard, IL | 01-01-1958 | $1,914,107 | CU |