Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| First Security Bank and Trust Company | Oklahoma City, OK | 04-06-1951 | $119,349 | BK |
| Bank of Eufaula | Eufaula, OK | 03-07-1911 | $119,184 | BK |
| SOUTHWEST OKLAHOMA | LAWTON, OK | 01-01-1958 | $113,040 | CU |
| FNB Coweta | Coweta, OK | 01-01-1903 | $112,621 | BK |
| Method Bank | Wyandotte, OK | 09-27-1902 | $111,598 | BK |
| Community Bank | Bristow, OK | 03-17-1924 | $106,781 | BK |
| Cleo State Bank | Cleo Springs, OK | 10-25-1900 | $106,061 | BK |
| Oklahoma Heritage Bank | Roff, OK | 05-07-1979 | $105,972 | BK |
| COREBANK | Waynoka, OK | 07-20-1959 | $104,272 | BK |
| The State Bank of Wynnewood | Wynnewood, OK | 08-01-1910 | $101,813 | BK |
| The First National Bank of Lindsay | Lindsay, OK | 04-02-1902 | $100,742 | BK |
| MUSKOGEE | MUSKOGEE, OK | 01-01-1936 | $99,854 | CU |
| CHEROKEE STRIP | Ponca City, OK | 01-01-1933 | $99,801 | CU |
| Old Glory Bank | Elmore City, OK | 01-01-1903 | $99,123 | BK |
| First Bank | Erick, OK | 12-12-1902 | $96,555 | BK |