Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Oklahoma Bank and Trust Company | Clinton, OK | 03-02-1908 | $198,599 | BK |
| High Plains Bank | Okeene, OK | 02-11-1930 | $195,701 | BK |
| The Farmers State Bank | Quinton, OK | 03-08-1908 | $193,859 | BK |
| WESTERN SUN | Broken Arrow, OK | 01-01-1940 | $193,109 | CU |
| OKLAHOMA | OKLAHOMA CITY, OK | 01-01-1951 | $191,730 | CU |
| THE SEILING STATE BANK | Seiling, OK | 01-01-1901 | $191,311 | BK |
| Bank of Commerce | Chelsea, OK | 03-23-1896 | $188,883 | BK |
| ENDURANCE | Duncan, OK | 01-01-1960 | $186,682 | CU |
| The Bank of Beaver City | Beaver, OK | 01-01-1902 | $178,824 | BK |
| The Bank of the West | Thomas, OK | 10-19-1984 | $174,090 | BK |
| Bank of Hydro | Hydro, OK | 10-01-1903 | $173,324 | BK |
| The Peoples National Bank of Checotah | Checotah, OK | 01-01-1911 | $172,389 | BK |
| MUNICIPAL EMPS CU OF OKLAHOMA CITY | OKLAHOMA CITY, OK | 01-01-1934 | $166,080 | CU |
| Carson Community Bank | Stilwell, OK | 02-03-1903 | $165,900 | BK |
| THE FOCUS | OKLAHOMA CITY, OK | 01-01-1955 | $162,448 | CU |