Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| FNB Coweta | Coweta, OK | 01-01-1903 | $118,380 | BK |
| Great Nations Bank | Norman, OK | 09-28-2009 | $118,213 | BK |
| SOUTHWEST OKLAHOMA | LAWTON, OK | 01-01-1958 | $116,167 | CU |
| The Farmers and Merchants National Bank of Fairview | Fairview, OK | 01-01-1907 | $115,881 | BK |
| Cleo State Bank | Cleo Springs, OK | 10-25-1900 | $115,061 | BK |
| First Bank | Erick, OK | 12-12-1902 | $114,549 | BK |
| The State Bank of Wynnewood | Wynnewood, OK | 08-01-1910 | $111,188 | BK |
| Community Bank | Bristow, OK | 03-17-1924 | $108,959 | BK |
| MUSKOGEE | MUSKOGEE, OK | 01-01-1936 | $106,025 | CU |
| The Farmers Bank | Carnegie, OK | 10-27-1905 | $103,518 | BK |
| First National Bank | Heavener, OK | 01-01-1910 | $102,950 | BK |
| First State Bank | Valliant, OK | 01-01-1911 | $101,899 | BK |
| CHEROKEE STRIP | Ponca City, OK | 01-01-1933 | $98,723 | CU |
| Oklahoma Heritage Bank | Roff, OK | 05-07-1979 | $98,167 | BK |
| American Exchange Bank | Henryetta, OK | 01-01-1933 | $98,008 | BK |