| Institution | Branch | City | County | Deposits at last filing |
|---|---|---|---|---|
| Eagle BankBank · $709.0M | Eagle Bank Kennebunk Branch | Kennebunk, ME | York | $46.7M |
| NBT Bank, National AssociationBank · $16.09B | Portland Bayside Branch | Portland, ME | Cumberland | $8.3M |
| Franklin Savings BankBank · $786.9M | Https:Www.Franklinsavings.BankOpen-An-Account Branch | Farmington, ME | Franklin | $1.6M |
| Maine Community BankBank · $2.98B | Maine Community Bank | Portland, ME | Cumberland | $0 |
| Acadia Federal Credit UnionCredit union · $412.8M | Presque Isle Office | Presque Isle, ME | Aroostook | n/a |
| Ancorum Credit UnionCredit union · $401.8M | Palmyra Branch | Palmyra, ME | Somerset | n/a |
| Capital Area Federal Credit UnionCredit union · $71.4M | Synergent Corp | Westbrook, ME | Cumberland | n/a |
| Capital Area Federal Credit UnionCredit union · $71.4M |
| Synergent Corp |
| Westbrook, ME |
| Cumberland |
| n/a |
| Community Credit UnionCredit union · $120.2M | Maine Credit Union League | Westbrook, ME | Cumberland | n/a |
| Cport Credit UnionCredit union · $434.9M | Lewiston Office | Lewiston, ME | Androscoggin | n/a |
| Dirigo Federal Credit UnionCredit union · $498.2M | Main Street | Lewiston, ME | Androscoggin | n/a |
| Dirigo Federal Credit UnionCredit union · $498.2M | Scarborough | Scarborough, ME | Cumberland | n/a |
| Gardiner Federal Credit UnionCredit union · $100.7M | Maine Credit Union League | Westbrook, ME | Cumberland | n/a |
| Lisbon Community Federal Credit UnionCredit union · $209.7M | Temp Main Office | Lisbon, ME | Androscoggin | n/a |
| Maine Solutions Federal Credit UnionCredit union · $20.9M | Synergent | New Gloucester, ME | Cumberland | n/a |
| Maine Solutions Federal Credit UnionCredit union · $20.9M | Coast Line Credit Union | South Portland, ME | Cumberland | n/a |
| Saco Valley Credit UnionCredit union · $195.5M | Synergent | Westbrook, ME | Cumberland | n/a |
| Saco Valley Credit UnionCredit union · $195.5M | Five County Credit Union | Portland, ME | Cumberland | n/a |
| University Credit UnionCredit union · $538.5M | Saco | Saco, ME | York | n/a |