Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| 1st Bank in Hominy | Hominy, OK | 04-12-1906 | $45,270 | BK |
| SAINT FRANCIS EMPLOYEES | Tulsa, OK | 01-01-1969 | $44,680 | CU |
| Washita State Bank | Burns Flat, OK | 03-11-1977 | $44,269 | BK |
| BISON | Shawnee, OK | 01-01-1951 | $42,489 | CU |
| DOWELL | TULSA, OK | 01-01-1962 | $42,411 | CU |
| CREDIT UNION ONE OF OKLAHOMA | Oklahoma City, OK | 01-01-1949 | $39,880 | 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 |
| EL RENO R.I.L. | EL RENO, OK | 01-01-1934 | $36,370 | CU |
| COMANCHE COUNTY | Lawton, OK | 01-01-1964 | $36,362 | CU |
| First American Bank | Stonewall, OK | 07-04-1940 | $34,290 | BK |
| First Summit Bank | Ryan, OK | 06-01-1894 | $33,759 | BK |
| The Hopeton State Bank | Hopeton, OK | 01-01-1919 | $30,840 | BK |
| Bank of Vici | Vici, OK | 01-01-1902 | $28,851 | BK |