| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Centreville Bank | Bank | 4 | $355.1M | 31.12% |
| 2 | Charter Oak Federal Credit Union | Credit union | 3 | $291.0M* | 25.50% |
| 3 | Jewett City Savings Bank | Bank | 4 | $209.6M | 18.37% |
| 4 | KeyBank National Association | Bank | 2 | $136.2M | 11.93% |
| 5 | Citizens Bank, National Association | Bank | 1 | $61.8M | 5.42% |
| 6 | Coreplus Federal Credit Union | Credit union | 1 | $39.9M* | 3.50% |
| 7 | Self-Help Federal Credit Union | Credit union | 1 | $39.3M* | 3.44% |
| 8 | America's First Network Credit Union | Credit union | 1 | $8.3M* | 0.73% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $1.14B | 8 | 17 | Centreville Bank | 31.1% | 2,152 |
| 2024 | $729.8M | 4 | 11 | Centreville Bank | 46.0% | 3,274 |
| 2023 | $1.08B | 7 | 16 | Centreville Bank | 29.4% | 1,827 |
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.