| Institution | Branch | City | County | Deposits at last filing |
|---|---|---|---|---|
| JPMorgan Chase Bank, National AssociationBank · $4.09T | Greenwich Branch | Greenwich, CT | Western Connecticut | $471.9M |
| Liberty BankBank · $9.38B | Rocky Hill Branch | Rocky Hill, CT | Capitol | $64.7M |
| JPMorgan Chase Bank, National AssociationBank · $4.09T | Vernon Tri City Plaza Branch | Vernon, CT | Capitol | $22.2M |
| Thomaston Savings BankBank · $1.93B | New Britain Branch | New Britain, CT | Capitol | $14.2M |
| JPMorgan Chase Bank, National AssociationBank · $4.09T | Guilford Shoreline Plaza Branch | Guilford, CT | South Central Connecticut | $10.8M |
| Ion BankBank · $2.78B | Southington Branch Office | Southington, CT | Capitol | $10.3M |
| Union Savings BankBank · $3.30B | Norwalk Branch | Norwalk, CT | Western Connecticut | $6.0M |
| Fairfield County BankBank · $1.92B | Mill Plain Branch | Danbury, CT |
| Western Connecticut |
| $3.0M |
| New Haven BankBank · $200.0M | West Haven Branch | West Haven, CT | South Central Connecticut | $2.9M |
| JPMorgan Chase Bank, National AssociationBank · $4.09T | Groton-Ct Branch | Groton, CT | Southeastern Connecticut | $2.7M |
| 360 Federal Credit UnionCredit union · $324.4M | Clinton Branch | Clinton, CT | Middlesex | n/a |
| Albright Credit UnionCredit union · $73.9M | Western CT Branch | Bethel, CT | Fairfield | n/a |
| America's First Network Credit UnionCredit union · $105.5M | NE CT Healthcare | Putnam, CT | Windham | n/a |
| American Eagle Financial Credit UnionCredit union · $2.77B | Hartford Hospital Branch | Hartford, CT | Hartford | n/a |
| American Eagle Financial Credit UnionCredit union · $2.77B | Hartford Branch | Hartford, CT | Hartford | n/a |
| Connex Credit UnionCredit union · $1.06B | North Haven Branch | North Haven, CT | New Haven | n/a |
| Finex Credit UnionCredit union · $134.0M | Wallingford Branch | Wallingford, CT | New Haven | n/a |
| Norwalk Postal EmployeesCredit union · — | SKYLINE FINANCIAL FCU | Waterbury, CT | New Haven | n/a |
| Polish & Slavic Federal Credit UnionCredit union · $2.74B | New Britain Branch | New Britain, CT | Hartford | n/a |
| Sikorsky Financial Credit UnionCredit union · $1.45B | Griffin Hospital | Derby, CT | New Haven | n/a |
| Torrington Municipal And Teachers Federal Credit UnionCredit union · $93.6M | Torrington High School | Torrington, CT | Litchfield | n/a |