| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Security Service Federal Credit Union | Credit union | 1 | $151.1M* | 17.48% |
| 2 | Security State Bank | Bank | 1 | $138.6M | 16.02% |
| 3 | Wells Fargo Bank, National Association | Bank | 1 | $112.4M | 12.99% |
| 4 | First Commercial Bank, National Association | Bank | 1 | $96.8M | 11.20% |
| 5 | The Lytle State Bank of Lytle, Texas | Bank | 1 | $94.3M | 10.91% |
| 6 | Prosperity Bank | Bank | 1 | $91.9M | 10.63% |
| 7 | Atascosa Bank | Bank | 1 | $78.6M | 9.09% |
| 8 | TXN Bank | Bank | 1 | $35.7M | 4.13% |
| 9 | SouthTrust Bank, N.A. | Bank | 1 | $34.0M | 3.93% |
| 10 | Texas Champion Bank | Bank | 2 | $23.8M | 2.75% |
| 1 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 | $864.9M | 11 | 12 | Security Service Federal Credit Union | 17.5% | 1,212 |
| 2024 | $883.5M | 11 | 12 | Security State Bank | 17.7% | 1,235 |
| 2023 | $907.8M | 11 | 12 | Security Service Federal Credit Union | 17.7% | 1,222 |
| 2022 | $928.4M | 11 | 12 | Security Service Federal Credit Union | 17.8% | 1,219 |
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.