Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Alva State Bank & Trust Company | Alva, OK | 09-10-1901 | $485,992 | BK |
| FSNB, National Association | Lawton, OK | 07-01-1946 | $473,128 | BK |
| The Bank, National Association | Mcalester, OK | 05-17-1927 | $463,041 | BK |
| Chickasaw Community Bank | Oklahoma City, OK | 01-01-1903 | $447,038 | BK |
| The City National Bank and Trust Company of Lawton, Oklahoma | Lawton, OK | 03-23-1901 | $436,974 | BK |
| Shamrock Bank, N.A. | Coalgate, OK | 01-01-1924 | $429,029 | BK |
| Ameristate Bank | Atoka, OK | 08-06-1906 | $421,049 | BK |
| First Pryority Bank | Pryor, OK | 01-01-1900 | $417,111 | BK |
| Welch State Bank of Welch, Okla. | Welch, OK | 10-01-1923 | $416,809 | BK |
| Frazer Bank | Altus, OK | 01-01-1902 | $392,422 | BK |
| Exchange Bank and Trust Company | Perry, OK | 02-20-1896 | $385,299 | BK |
| The Citizens Bank of Edmond | Edmond, OK | 01-01-1912 | $383,726 | BK |
| Bank of Western Oklahoma | Elk City, OK | 04-01-1908 | $380,050 | BK |
| The Security National Bank of Enid | Enid, OK | 01-01-1907 | $374,978 | BK |
| ALLEGIANCE | OKLAHOMA CITY, OK | 01-01-1963 | $371,023 | CU |