| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BancFirst | Bank | 5 | $358.9M | 24.00% |
| 2 | First Bank & Trust Co. | Bank | 3 | $344.4M | 23.03% |
| 3 | Arvest Bank | Bank | 3 | $221.7M | 14.83% |
| 4 | Bank of Commerce | Bank | 1 | $174.4M | 11.66% |
| 5 | Legacy Bank | Bank | 2 | $108.7M | 7.27% |
| 6 | Endurance Federal Credit Union | Credit union | 2 | $84.2M* | 5.63% |
| 7 | The First National Bank in Marlow | Bank | 3 | $60.4M | 4.04% |
| 8 | First National Bank and Trust Company of Ardmore | Bank | 1 | $45.8M | 3.06% |
| 9 | Oklahoma Educators Credit Union | Credit union | 1 | $34.3M* | 2.30% |
| 10 | American Nation Bank | Bank | 1 | $31.8M | 2.13% |
| 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 |
|---|---|---|---|---|---|---|
| 2026 | $1.50B | 13 | 25 | BancFirst | 24.0% | 1,585 |
| 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% | 1,539 |
| 2022 | $1.44B | 13 | 25 | First Bank & Trust Co. | 24.2% | 1,591 |
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.