Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Bank 7 | Oklahoma City, OK | 05-06-1901 | $1,738,797 | BK |
| Great Plains National Bank | Elk City, OK | 07-17-1996 | $1,726,343 | BK |
| Regent Bank | Tulsa, OK | 01-01-1898 | $1,679,821 | BK |
| International Bank of Commerce | Oklahoma City, OK | 01-01-2017 | $1,587,695 | BK |
| American Heritage Bank | Sapulpa, OK | 06-15-1905 | $1,496,664 | BK |
| WEOKIE | Oklahoma City, OK | 01-01-1969 | $1,361,767 | CU |
| Liberty National Bank | Lawton, OK | 01-01-1902 | $1,284,821 | BK |
| Sovereign Bank | Shawnee, OK | 10-29-1984 | $1,203,043 | BK |
| Blue Sky Bank | Pawhuska, OK | 11-23-1905 | $1,192,977 | BK |
| TRUITY | Bartlesville, OK | 01-01-1939 | $1,144,988 | CU |
| First Oklahoma Bank | Jenks, OK | 01-01-1923 | $1,143,380 | BK |
| WEOKIE | Oklahoma City, OK | 01-01-1969 | $1,083,929 | CU |
| The First National Bank and Trust Co., Chickasha, Oklahoma | Chickasha, OK | 08-21-1892 | $1,017,488 | BK |
| Firstar Bank | Sallisaw, OK | 11-19-1964 | $1,002,669 | BK |
| Kirkpatrick Bank | Edmond, OK | 03-23-1970 | $993,133 | BK |