Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| WESTERN SUN | Broken Arrow, OK | 01-01-1940 | $189,759 | CU |
| OKLAHOMA | OKLAHOMA CITY, OK | 01-01-1951 | $188,152 | CU |
| Bank of Commerce | Chelsea, OK | 03-23-1896 | $186,637 | BK |
| High Plains Bank | Okeene, OK | 02-11-1930 | $185,184 | BK |
| The Farmers State Bank | Quinton, OK | 03-08-1908 | $184,836 | BK |
| Old Glory Bank | Elmore City, OK | 01-01-1903 | $183,423 | BK |
| ENDURANCE | DUNCAN, OK | 01-01-1960 | $182,166 | CU |
| The First Security Bank | Beaver, OK | 01-16-1916 | $179,047 | BK |
| The Bank of Beaver City | Beaver, OK | 01-01-1902 | $175,935 | BK |
| First Security Bank and Trust Company | Oklahoma City, OK | 04-06-1951 | $174,740 | BK |
| The Bank of the West | Thomas, OK | 10-19-1984 | $171,424 | BK |
| THE FOCUS | OKLAHOMA CITY, OK | 01-01-1955 | $169,930 | CU |
| MUNICIPAL EMPS CU OF OKLAHOMA CITY | OKLAHOMA CITY, OK | 01-01-1934 | $165,063 | CU |
| Method Bank | Wyandotte, OK | 09-27-1902 | $164,378 | BK |
| Carson Community Bank | Stilwell, OK | 02-03-1903 | $162,027 | BK |