| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | First Bank & Trust Co. | Bank | 3 | $345.3M | 23.55% |
| 2 | BancFirst | Bank | 5 | $341.4M | 23.28% |
| 3 | Arvest Bank | Bank | 3 | $209.5M | 14.29% |
| 4 | Bank of Commerce | Bank | 1 | $174.2M | 11.88% |
| 5 | Endurance Federal Credit Union | Credit union | 2 | $106.1M* | 7.23% |
| 6 | Legacy Bank | Bank | 2 | $101.0M | 6.89% |
| 7 | The First National Bank in Marlow | Bank | 3 | $61.2M | 4.17% |
| 8 | First National Bank and Trust Company of Ardmore | Bank | 1 | $47.5M | 3.24% |
| 9 | American Nation Bank | Bank | 1 | $29.9M | 2.04% |
| 10 | International Bank of Commerce | Bank | 1 | $21.3M | 1.45% |
| 3 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.47B | 13 | 25 | First Bank & Trust Co. | 23.6% | 1,578 |
| 2024 | $1.43B | 13 | 25 | First Bank & Trust Co. | 23.4% | 1,588 |
| 2023 | $1.43B | 13 | 25 | BancFirst | 23.8% | 1,537 |
| 2022 | $1.45B | 13 | 25 | First Bank & Trust Co. | 24.1% | 1,587 |
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.