| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | Greenfield Savings Bank | Bank | 5 | $954.2M | 44.43% |
| 2 | Greenfield Co-operative Bank | Bank | 6 | $537.8M | 25.04% |
| 3 | Workers Federal Credit Union | Credit union | 1 | $155.6M* | 7.24% |
| 4 | Manufacturers and Traders Trust Company | Bank | 3 | $148.0M | 6.89% |
| 5 | Freedom Credit Union | Credit union | 2 | $122.3M* | 5.70% |
| 6 | TD Bank, National Association | Bank | 1 | $120.9M | 5.63% |
| 7 | Greylock Federal Credit Union | Credit union | 1 | $108.8M* | 5.07% |
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2026 | $2.15B | 7 | 19 | Greenfield Savings Bank | 44.4% | 2,791 |
| 2025 | $2.03B | 7 | 20 | Greenfield Savings Bank | 43.5% | 2,733 |
| 2024 | $1.89B | 7 | 20 | Greenfield Savings Bank | 42.5% | 2,630 |
| 2023 | $1.84B | 7 | 20 | Greenfield Savings Bank | 41.3% | 2,588 |
| 2022 | $1.90B | 8 | 20 | Greenfield Savings Bank | 37.3% | 2,363 |
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.