Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Bank 7 | Oklahoma City, OK | 05-06-1901 | $1,962,629 | BK |
| Great Plains National Bank | Elk City, OK | 07-17-1996 | $1,850,039 | BK |
| TTCU THE | Tulsa, OK | 01-01-1934 | $1,801,898 | CU |
| International Bank of Commerce | Oklahoma City, OK | 01-01-2017 | $1,619,237 | BK |
| WEOKIE | Oklahoma City, OK | 01-01-1969 | $1,468,698 | CU |
| American Heritage Bank | Sapulpa, OK | 06-15-1905 | $1,443,414 | BK |
| Sovereign Bank | Shawnee, OK | 10-29-1984 | $1,360,197 | BK |
| Liberty National Bank | Lawton, OK | 01-01-1902 | $1,329,703 | BK |
| Blue Sky Bank | Pawhuska, OK | 11-23-1905 | $1,308,234 | BK |
| First Oklahoma Bank | Jenks, OK | 01-01-1923 | $1,257,098 | BK |
| TRUITY | Bartlesville, OK | 01-01-1939 | $1,239,449 | CU |
| Firstar Bank | Sallisaw, OK | 11-19-1964 | $1,109,740 | 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 | $1,055,323 | BK |
| Kirkpatrick Bank | Edmond, OK | 03-23-1970 | $1,038,067 | BK |