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 | $40,157 | CU |
| NEO | MIAMI, OK | 01-01-1956 | $38,130 | CU |
| FRATERNAL ORDER OF POLICE | Tulsa, OK | 01-01-1941 | $36,454 | CU |
| CENTRAL OKLAHOMA | Davenport, OK | 01-01-1988 | $36,393 | CU |
| COMANCHE COUNTY | Lawton, OK | 01-01-1964 | $34,435 | CU |
| First American Bank | Stonewall, OK | 07-04-1940 | $34,140 | BK |
| Bank of Vici | Vici, OK | 01-01-1902 | $33,019 | BK |
| FIRST OKLAHOMA | TULSA, OK | 01-01-1953 | $30,341 | CU |
| ENERGIZE | OKLAHOMA CITY, OK | 01-01-1967 | $28,860 | CU |
| DEPARTMENT OF PUBLIC SAFETY | OKLAHOMA CITY, OK | 01-01-1953 | $28,013 | CU |
| First Summit Bank | Ryan, OK | 06-01-1894 | $27,796 | BK |
| First State Bank in Temple | Temple, OK | 06-01-1919 | $25,756 | BK |
| OK | Bartlesville, OK | 01-01-1955 | $25,718 | CU |
| The Hopeton State Bank | Hopeton, OK | 01-01-1919 | $25,157 | BK |
| OK MEMBERS FIRST | TULSA, OK | 01-01-1951 | $24,096 | CU |