Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| The First Farmers National Bank of Waurika | Waurika, OK | 03-26-1906 | $52,841 | BK |
| FIRE FIGHTERS | TULSA, OK | 01-01-1939 | $48,673 | CU |
| EMPLOYEES | TULSA, OK | 01-01-1954 | $47,406 | CU |
| Washita State Bank | Burns Flat, OK | 03-11-1977 | $47,330 | BK |
| Peoples Bank and Trust Company | Ryan, OK | 03-05-1906 | $44,089 | BK |
| SAINT FRANCIS EMPLOYEES | Tulsa, OK | 01-01-1969 | $43,880 | CU |
| BISON | SHAWNEE, OK | 01-01-1951 | $43,100 | CU |
| 1st Bank in Hominy | Hominy, OK | 04-12-1906 | $42,497 | BK |
| DOWELL | TULSA, OK | 01-01-1962 | $42,411 | CU |
| CREDIT UNION ONE OF OKLAHOMA | Oklahoma City, OK | 01-01-1949 | $41,759 | CU |
| NEO | MIAMI, OK | 01-01-1956 | $38,130 | CU |
| First American Bank | Stonewall, OK | 07-04-1940 | $36,515 | BK |
| 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 |