Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Sooner State Bank | Tuttle, OK | 01-01-1903 | $304,864 | BK |
| Prism Bank | Guthrie, OK | 01-01-1909 | $303,067 | BK |
| Citizens Bank of Ada | Ada, OK | 02-20-1967 | $297,576 | BK |
| American Bank and Trust Company | Tulsa, OK | 11-05-1971 | $292,045 | BK |
| The Stock Exchange Bank | Woodward, OK | 01-03-1903 | $290,417 | BK |
| The Idabel National Bank | Idabel, OK | 02-14-1921 | $288,118 | BK |
| The First National Bank and Trust Company of Okmulgee | Okmulgee, OK | 04-02-1917 | $284,363 | BK |
| First Bethany Bank & Trust | Bethany, OK | 01-01-1923 | $279,767 | BK |
| ENERGY ONE | Tulsa, OK | 01-01-1935 | $274,921 | CU |
| McClain Bank | Purcell, OK | 03-08-1922 | $268,573 | BK |
| Security State Bank | Cheyenne, OK | 06-22-1912 | $258,206 | BK |
| RED CROWN | Tulsa, OK | 01-01-1938 | $251,246 | CU |
| The First National Bank and Trust Company of Broken Arrow | Broken Arrow, OK | 01-29-1904 | $251,018 | BK |
| YNB | Yukon, OK | 04-19-1912 | $247,290 | BK |
| The Payne County Bank | Perkins, OK | 01-08-1898 | $245,933 | BK |