Or by the first letter of a Bank Name
| Headquarters | Date Established | Assets (1000s) | Type | |
|---|---|---|---|---|
| Bangor Savings Bank | Bangor, ME | 02-14-1852 | $7,235,355 | BK |
| The Camden National Bank | Camden, ME | 01-01-1875 | $6,948,167 | BK |
| Northeast Bank | Portland, ME | 02-05-1872 | $4,228,502 | BK |
| Bar Harbor Bank & Trust | Bar Harbor, ME | 09-15-1887 | $4,058,800 | BK |
| First National Bank | Damariscotta, ME | 04-19-1864 | $3,151,780 | BK |
| Maine Community Bank | Portland, ME | 07-27-1867 | $2,696,243 | BK |
| Machias Savings Bank | Machias, ME | 03-05-1869 | $2,567,242 | BK |
| Norway Savings Bank | Norway, ME | 01-01-1866 | $2,028,519 | BK |
| Kennebunk Savings Bank | Kennebunk, ME | 05-01-1871 | $1,900,245 | BK |
| Kennebec Savings Bank | Augusta, ME | 03-19-1870 | $1,759,715 | BK |
| Androscoggin Savings Bank | Lewiston, ME | 01-01-1870 | $1,694,530 | BK |
| Saco & Biddeford Savings Institution | Saco, ME | 02-21-1827 | $1,421,036 | BK |
| Bath Savings Institution | Bath, ME | 04-19-1852 | $1,415,126 | BK |
| ATLANTIC REGIONAL | South Portland, ME | 01-01-1941 | $1,096,476 | CU |
| Katahdin Trust Company | Patten, ME | 03-07-1918 | $1,079,094 | BK |