| Bankers' Bank, Northeast | 300 Winding Brook Drive, Glastonbury, CT 6033 | 1998-09-08 | $109.6 |
| Chelsea Groton Bank | One Franklin Square, Norwich, CT 6360 | 1854-01-01 | $836.6 |
| Collinsville Savings Society | 136 Main Street, Canton, CT 6019 | 1853-08-08 | $151.7 |
| Connecticut Community Bank, National Association | 1495 Post Road East, Westport, CT 6880 | 1998-12-28 | $403.0 |
| Darien Rowayton Bank | 1001 Post Rd, Darien, CT 6820 | 2006-04-24 | $200.7 |
| Dime Bank | 290 Salem Turnpike, Norwich, CT 6360 | 1869-01-01 | $707.4 |
| Eastern Federal Bank | 257 Main Street, Norwich, CT 6360 | 1915-01-01 | $163.1 |
| Essex Savings Bank | 35 Plains Road, Essex, CT 6426 | 1851-08-06 | $299.2 |
| Fairfield County Bank | 150 Danbury Road, Ridgefield, CT 6877 | 1871-05-14 | $1,441.4 |
| Farmington Bank | 32 Main Street, Farmington, CT 6032 | 1851-08-01 | $1,615.5 |
| Fieldpoint Private Bank & Trust | 100 Field Point Road, Greenwich, CT 6830 | 2008-04-30 | $567.3 |
| First County Bank | 160 Atlantic Street, Stamford, CT 6904 | 1851-06-20 | $1,319.1 |
| Hudson Valley Bank, National Association | 1055 Summer Street, Stamford, CT 6905 | 1972-05-13 | $2,794.2 |
| InsurBanc | 10 Executive Drive, Farmington, CT 6032 | 2001-04-12 | $170.9 |
| Jewett City Savings Bank | 111 Main Street, Jewett City, CT 6351 | 1873-06-23 | $242.4 |
| Liberty Bank | 315 Main Street, Middletown, CT 6457 | 1825-05-15 | $3,394.1 |
| Litchfield Bancorp | 294 West Street P.O. Box 997, Litchfield, CT 6759 | 1850-01-01 | $213.6 |
| Naugatuck Savings Bank | 251 Church Street, Naugatuck, CT 6770 | 1870-01-01 | $915.6 |
| Naugatuck Valley Savings and Loan | 333 Church Street, Naugatuck, CT 6770 | 1922-01-01 | $573.9 |
| NEW ENGLAND BANK | 855 Enfield Street, Enfield, CT 6082 | 1999-11-15 | $724.5 |
| Newtown Savings Bank | 39 Main Street, Newtown, CT 6470 | 1855-10-01 | $955.5 |
| Northwest Community Bank | 86 Main Street, Winsted, CT 6098 | 1875-07-15 | $318.9 |
| Patriot National Bank | 900 Bedford Street, Stamford, CT 6901 | 1994-08-31 | $665.5 |
| People's United Bank | 850 Main Street, Bridgeport, CT 6604 | 1988-07-06 | $27,319.3 |
| Prime Bank | 7 Old Tavern Road, Orange, CT 6477 | 1990-02-28 | $53.8 |
| Prudential Bank & Trust, FSB | 280 Trumbull Street, Hartford, CT 6103 | 1989-08-07 | $2,026.1 |
| Putnam Bank | 40 Main Street, Putnam, CT 6260 | 1862-07-12 | $468.1 |
| Quinnipiac Bank & Trust Company | 2600 Dixwell Avenue, Hamden, CT 6514 | 2008-03-06 | $76.0 |
| Rockville Bank | 25 Park Street, Vernon Rockville, CT 6066 | 1858-01-01 | $1,748.3 |
| Salisbury Bank and Trust Company | 5 Bissell St, Lakeville, CT 6039 | 1874-01-01 | $608.2 |
| Savings Bank of Danbury | 220 Main Street, Danbury, CT 6810 | 1849-06-26 | $762.3 |
| Savings Institute Bank and Trust Company | 803 Main Street, Willimantic, CT 6226 | 1842-01-01 | $939.9 |
| Stafford Savings Bank | 12 Furnace Avenue, Stafford Springs, CT 6076 | 1872-07-16 | $217.3 |
| Start Community Bank | 299 Whalley Avenue, New Haven, CT 6510 | 2010-12-20 | $28.2 |
| The Bank of Fairfield | 2150 Post Road, Fairfield, CT 6825 | 2008-08-29 | $114.7 |
| The Bank of New Canaan | 208 Elm Street, New Canaan, CT 6840 | 2002-04-22 | $362.4 |
| The Bank of Southern Connecticut | 215 Church Street, New Haven, CT 6510 | 2001-10-01 | $145.3 |
| The Citizens National Bank | 182 Main Street, Putnam, CT 6260 | 1924-11-11 | $340.5 |
| The Community's Bank | 1087 Broad St, Bridgeport, CT 6604 | 2001-02-23 | $36.3 |
| The Connecticut Bank and Trust Company | 58 State House Square, Hartford, CT 6103 | 2004-03-12 | $280.5 |
| The First Bank of Greenwich | 444 East Putnam Avenue, Cos Cob, CT 6807 | 2006-12-20 | $75.3 |
| The First National Bank of Suffield | 30 Bridge Street, Suffield, CT 6078 | 1864-06-01 | $214.3 |
| The Guilford Savings Bank | One Park Street, Guilford, CT 6437 | 1875-12-06 | $519.1 |
| The MassMutual Trust Company | 100 Bright Meadow Boulevard M327, Enfield, CT 6082 | 2000-01-12 | $67.4 |
| The Milford Bank | 33 Broad Street, Milford, CT 6460 | 1872-01-01 | $371.8 |
| The National Iron Bank | 195 Main Street, Salisbury, CT 6068 | 1847-08-17 | $101.4 |
| The Simsbury Bank & Trust Company | 981 Hopmeadow Street, Simsbury, CT 6070 | 1995-03-31 | $376.9 |
| The Torrington Savings Bank | 129 Main Street, Torrington, CT 6790 | 1868-08-15 | $799.6 |
| The Wilton Bank | 47 Old Ridgefield Road, Wilton, CT 6897 | 1987-04-27 | $76.4 |
| Thomaston Savings Bank | 203 Main Street, Thomaston, CT 6787 | 1874-10-01 | $692.2 |
| Union Savings Bank | 226 Main Street, Danbury, CT 6810 | 1866-07-01 | $2,496.5 |
| Webster Bank, National Association | Webster Plaza, Waterbury, CT 6702 | 1870-01-01 | $18,674.3 |
| Windsor Federal Savings and Loan Association | 250 Broad St, Windsor, CT 6095 | 1935-01-01 | $393.3 |
