| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | BancFirst | Bank | 3 | $211.8M | 31.89% |
| 2 | Armstrong Bank | Bank | 1 | $118.4M | 17.83% |
| 3 | FNB Coweta | Bank | 1 | $115.7M | 17.42% |
| 4 | Arvest Bank | Bank | 1 | $74.9M | 11.28% |
| 5 | Blue Sky Bank | Bank | 1 | $36.9M | 5.55% |
| 6 | Green Country Federal Credit Union | Credit union | 1 | $36.4M* | 5.48% |
| 7 | The First National Bank and Trust Company of Broken Arrow | Bank | 1 | $31.9M | 4.80% |
| 8 | RCB Bank | Bank | 1 | $21.5M | 3.24% |
| 9 | First Bank | Bank | 1 | $16.6M | 2.50% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $664.2M | 9 | 11 | BancFirst | 31.9% | 1,866 |
| 2025 | $647.9M | 10 | 12 | BancFirst | 30.9% | 1,793 |
| 2024 | $609.3M | 10 | 12 | BancFirst | 29.9% | 1,734 |
| 2023 | $593.8M | 10 | 13 | BancFirst | 29.3% | 1,733 |
| 2022 | $576.2M | 10 | 13 | BancFirst | 32.2% | 1,845 |
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.