| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Welch State Bank of Welch, Okla. | Bank | 2 | $171.3M | 21.37% |
| 2 | The First National Bank and Trust Company of Miami | Bank | 3 | $162.6M | 20.29% |
| 3 | Security Bank and Trust Company | Bank | 4 | $145.4M | 18.14% |
| 4 | Arvest Bank | Bank | 1 | $139.1M | 17.35% |
| 5 | Ttcu Federal Credit Union | Credit union | 1 | $103.7M* | 12.94% |
| 6 | Grand Savings Bank | Bank | 1 | $34.6M | 4.31% |
| 7 | Method Bank | Bank | 1 | $22.6M | 2.82% |
| 8 | International Bank of Commerce | Bank | 1 | $18.8M | 2.34% |
| 9 | The City National Bank and Trust Company of Lawton, Oklahoma | Bank | 1 | $3.4M | 0.43% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $801.5M | 9 | 15 | Welch State Bank of Welch, Okla. | 21.4% | 1,698 |
| 2025 | $835.9M | 9 | 15 | The First National Bank and Trust Company of Miami | 21.4% | 1,626 |
| 2024 | $838.4M | 9 | 15 | Welch State Bank of Welch, Okla. | 22.3% | 1,740 |
| 2023 | $849.3M | 9 | 15 | The First National Bank and Trust Company of Miami | 23.1% | 1,469 |
| 2022 | $915.5M | 9 | 15 | The First National Bank and Trust Company of Miami | 23.0% | 1,637 |
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.