| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Sovereign Bank | Bank | 1 | $577.2M | 27.88% |
| 2 | BancFirst | Bank | 5 | $488.3M | 23.59% |
| 3 | Arvest Bank | Bank | 2 | $283.9M | 13.72% |
| 4 | First United Bank and Trust Company | Bank | 3 | $271.1M | 13.10% |
| 5 | Tinker Federal Credit Union | Credit union | 1 | $160.1M* | 7.73% |
| 6 | MidFirst Bank | Bank | 1 | $97.7M | 4.72% |
| 7 | Communication Federal Credit Union | Credit union | 1 | $74.1M* | 3.58% |
| 8 | Vision Bank | Bank | 1 | $42.2M | 2.04% |
| 9 | Bison Federal Credit Union | Credit union | 1 | $38.6M* | 1.87% |
| 10 | Security State Bank of Oklahoma | Bank | 1 | $22.3M | 1.08% |
| 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 | $2.07B | 13 | 20 | Sovereign Bank | 27.9% | 1,798 |
| 2024 | $1.87B | 12 | 19 | BancFirst | 24.3% | 1,777 |
| 2023 | $1.71B | 12 | 19 | BancFirst | 24.9% | 1,717 |
| 2022 | $1.64B | 12 | 19 | BancFirst | 28.9% | 1,780 |
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.