Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Citizens Bank and Trust Company of Ardmore | Ardmore, OK | 09-18-1978 | $321,793 | BK |
| Sooner State Bank | Tuttle, OK | 01-01-1903 | $319,354 | BK |
| The Stock Exchange Bank | Woodward, OK | 01-03-1903 | $305,585 | BK |
| The First National Bank & Trust | Elk City, OK | 04-19-1901 | $300,236 | BK |
| First Bethany Bank & Trust | Bethany, OK | 01-01-1923 | $295,396 | BK |
| Patrons Bank, National Association | Okmulgee, OK | 04-02-1917 | $287,613 | BK |
| The Payne County Bank | Perkins, OK | 01-08-1898 | $284,756 | BK |
| VALOR BANK | Edmond, OK | 06-01-1930 | $284,166 | BK |
| ENERGY ONE | Tulsa, OK | 01-01-1935 | $274,567 | CU |
| The Bankers Bank | Oklahoma City, OK | 05-28-1986 | $273,424 | BK |
| McClain Bank | Purcell, OK | 03-08-1922 | $272,399 | BK |
| Security State Bank | Cheyenne, OK | 06-22-1912 | $267,657 | BK |
| RED CROWN | Tulsa, OK | 01-01-1938 | $255,173 | CU |
| The First National Bank and Trust Company of Broken Arrow | Broken Arrow, OK | 01-29-1904 | $254,697 | BK |
| The Idabel National Bank | Idabel, OK | 02-14-1921 | $252,627 | BK |