Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| State Street Bank and Trust Company | Boston, MA | 01-01-1792 | $371,784,000 | BK |
| Eastern Bank | Boston, MA | 10-19-1989 | $25,452,952 | BK |
| Rockland Trust Company | Rockland, MA | 09-10-1907 | $20,051,412 | BK |
| DIGITAL | Marlborough, MA | 01-01-1979 | $12,722,988 | CU |
| Salem Five Cents Savings Bank | Salem, MA | 03-09-1855 | $8,291,041 | BK |
| Cambridge Savings Bank | Cambridge, MA | 04-02-1834 | $6,917,422 | BK |
| Beacon Bank and Trust | Brookline, MA | 01-01-1871 | $6,162,093 | BK |
| Middlesex Savings Bank | Natick, MA | 03-05-1835 | $6,102,056 | BK |
| The Cape Cod Five Cents Savings Bank | Hyannis, MA | 03-16-1855 | $5,636,319 | BK |
| HarborOne Bank | Brockton, MA | 07-01-2013 | $5,611,762 | BK |
| Institution for Savings in Newburyport and Its Vicinity | Newburyport, MA | 01-01-1820 | $5,367,683 | BK |
| Needham Bank | Needham, MA | 01-01-1892 | $5,126,269 | BK |
| Leader Bank, National Association | Arlington, MA | 05-08-2002 | $5,112,342 | BK |
| Hingham Institution for Savings | Hingham, MA | 04-02-1834 | $4,539,257 | BK |
| PeoplesBank | Holyoke, MA | 03-17-1885 | $4,334,692 | BK |