Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The Bankers Bank | Oklahoma City, OK | 05-28-1986 | $329,768 | BK |
| American Bank and Trust Company | Tulsa, OK | 11-05-1971 | $323,126 | BK |
| Citizens Bank and Trust Company of Ardmore | Ardmore, OK | 09-18-1978 | $320,261 | BK |
| OKLAHOMA EDUCATORS | OKLAHOMA CITY, OK | 01-01-1960 | $303,509 | CU |
| Patrons Bank, National Association | Okmulgee, OK | 04-02-1917 | $298,185 | BK |
| The Payne County Bank | Perkins, OK | 01-08-1898 | $295,234 | BK |
| The First National Bank & Trust | Elk City, OK | 04-19-1901 | $294,260 | BK |
| First Bethany Bank & Trust | Bethany, OK | 01-01-1923 | $291,332 | BK |
| The Stock Exchange Bank | Woodward, OK | 01-03-1903 | $290,386 | BK |
| ENERGY ONE | Tulsa, OK | 01-01-1935 | $289,606 | CU |
| VALOR BANK | Edmond, OK | 06-01-1930 | $286,582 | BK |
| The First Security Bank | Beaver, OK | 01-16-1916 | $285,123 | BK |
| McClain Bank | Purcell, OK | 03-08-1922 | $281,987 | BK |
| The First National Bank and Trust Company of Broken Arrow | Broken Arrow, OK | 01-29-1904 | $278,077 | BK |
| Security State Bank | Cheyenne, OK | 06-22-1912 | $276,758 | BK |