| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Great Plains National Bank | Bank | 3 | $343.7M | 31.76% |
| 2 | The First National Bank & Trust | Bank | 3 | $277.1M | 25.60% |
| 3 | Bank of Western Oklahoma | Bank | 1 | $160.4M | 14.82% |
| 4 | InterBank | Bank | 2 | $149.9M | 13.85% |
| 5 | Legacy Bank | Bank | 1 | $60.2M | 5.57% |
| 6 | Endurance Federal Credit Union | Credit union | 1 | $53.0M* | 4.90% |
| 7 | First Bank | Bank | 1 | $37.9M | 3.50% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.08B | 7 | 12 | Great Plains National Bank | 31.8% | 2,143 |
| 2024 | $1.05B | 7 | 12 | Great Plains National Bank | 31.7% | 2,182 |
| 2023 | $992.4M | 7 | 12 | Great Plains National Bank | 30.3% | 2,136 |
| 2022 | $1.01B | 7 | 12 | Great Plains National Bank | 29.6% | 2,147 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.