| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First United Bank and Trust Company | Bank | 1 | $89.8M | 36.20% |
| 2 | Security State Bank of Oklahoma | Bank | 1 | $71.5M | 28.82% |
| 3 | Sovereign Bank | Bank | 1 | $50.6M | 20.37% |
| 4 | Mabrey Bank | Bank | 1 | $31.8M | 12.81% |
| 5 | Arbuckle Federal Credit Union | Credit union | 1 | $4.5M* | 1.80% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $248.2M | 5 | 5 | First United Bank and Trust Company | 36.2% | 2,723 |
| 2025 | $258.9M | 5 | 5 | First United Bank and Trust Company | 40.0% | 2,894 |
| 2024 | $251.3M | 5 | 5 | First United Bank and Trust Company | 40.9% | 3,010 |
| 2023 | $247.9M | 4 | 4 | First United Bank and Trust Company | 43.6% | 3,250 |
| 2022 | $257.8M | 4 | 4 | First United Bank and Trust Company | 43.2% | 3,389 |
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.