| Uninum | Name | Address 1 | Address 2 | City | County | Established | Accquired | | 11285 | Essex Savings Bank | 35 Plains Rd | 06426 | Essex | Lower Connecticut River Valley | 08/06/1851 | |
| 241199 | OLD SAYBROOK BRANCH | 155 Main St | 06475 | Old Saybrook | Lower Connecticut River Valley | 12/23/1957 | 12/31/1999 |
| 241200 | OLD LYME BRANCH | 101 Halls Rd | 06371 | Old Lyme | Lower Connecticut River Valley | 07/10/1976 | 12/31/1999 |
| 241201 | MAIN STREET BRANCH | 9 Main St | 06426 | Essex | Lower Connecticut River Valley | 07/02/1990 | 12/31/1999 |
| 499528 | MADISON BRANCH | 99 Durham Rd | 06443 | Madison | South Central Connecticut | 12/14/2009 | 12/31/1999 |
| 535276 | CHESTER BRANCH | 203 Middlesex Ave | 06412 | Chester | Lower Connecticut River Valley | 12/03/2012 | 12/31/1999 |
| 602989 | PLAINS ROAD BRANCH | 35 Plains Rd | Hartford-East Hartford-Middletown, CT 06426 | Essex | Middlesex | 09/07/2017 | 12/31/1999 |
| 614835 | TRUST OFFICE | 176 Westbrook Rd | 06426 | Essex | Lower Connecticut River Valley | 06/24/2019 | 12/31/1999 |
