Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| EL RENO R.I.L. | EL RENO, OK | 01-01-1934 | $36,370 | CU |
| COMANCHE COUNTY | Lawton, OK | 01-01-1964 | $34,879 | CU |
| Bank of Vici | Vici, OK | 01-01-1902 | $34,262 | BK |
| First Summit Bank | Ryan, OK | 06-01-1894 | $31,072 | BK |
| FIRST OKLAHOMA | TULSA, OK | 01-01-1953 | $30,661 | CU |
| ENERGIZE | OKLAHOMA CITY, OK | 01-01-1967 | $28,242 | CU |
| DEPARTMENT OF PUBLIC SAFETY | OKLAHOMA CITY, OK | 01-01-1953 | $27,432 | CU |
| OK MEMBERS FIRST | TULSA, OK | 01-01-1951 | $26,874 | CU |
| The Hopeton State Bank | Hopeton, OK | 01-01-1919 | $26,543 | BK |
| OK | Bartlesville, OK | 01-01-1955 | $26,052 | CU |
| First State Bank in Temple | Temple, OK | 06-01-1919 | $24,271 | BK |
| The First National Bank of Fletcher | Fletcher, OK | 11-13-1902 | $23,686 | BK |
| Farmers and Merchants Bank | Maysville, OK | 01-01-1908 | $23,639 | BK |
| ENCENTUS | Tulsa, OK | 01-01-1970 | $21,455 | CU |
| Farmers & Merchants Bank | Duke, OK | 05-02-1910 | $19,595 | BK |