Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Bank of Commerce | Duncan, OK | 12-16-2002 | $333,981 | BK |
| High Plains Bank | Okeene, OK | 02-11-1930 | $330,216 | BK |
| American Bank and Trust Company | Tulsa, OK | 11-05-1971 | $324,441 | BK |
| Citizens Bank and Trust Company of Ardmore | Ardmore, OK | 09-18-1978 | $318,806 | BK |
| First Bethany Bank & Trust | Bethany, OK | 01-01-1923 | $316,798 | BK |
| Patrons Bank, National Association | Okmulgee, OK | 04-02-1917 | $314,467 | BK |
| The Payne County Bank | Perkins, OK | 01-08-1898 | $313,182 | BK |
| The Bankers Bank | Oklahoma City, OK | 05-28-1986 | $310,517 | BK |
| OKLAHOMA EDUCATORS | OKLAHOMA CITY, OK | 01-01-1960 | $305,186 | CU |
| VALOR BANK | Edmond, OK | 06-01-1930 | $302,589 | BK |
| ENERGY ONE | Tulsa, OK | 01-01-1935 | $300,678 | CU |
| McClain Bank | Purcell, OK | 03-08-1922 | $294,010 | BK |
| The First National Bank & Trust | Elk City, OK | 04-19-1901 | $293,960 | BK |
| Security State Bank | Cheyenne, OK | 06-22-1912 | $279,534 | BK |
| Old Glory Bank | Elmore City, OK | 01-01-1903 | $276,783 | BK |