| MICHAEL KIM, D.D.S., P.C.Hamden, CT · Dissolved | Hamden, CT | Corporation | Oct 4, 1971 | Dissolved |
| NEW ENGLAND GENERAL CONTRACTING COMPANY, THEHamden, CT · Dissolved | Hamden, CT | Corporation | Jun 30, 1930 | Dissolved |
| NEW ENGLAND TRANSCRIBING SERVICE, INC.Hamden, CT · Forfeited | Hamden, CT | Corporation | Jan 7, 1972 | Forfeited |
| NORMAN BENEDICT ASSOCIATES, INC.Hamden, CT · Active | Hamden, CT | Corporation | Oct 23, 1961 | Active |
| ORNATO BUILDING & REMODELING, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Jul 5, 1973 | Dissolved |
| CENTER FOR ORTHOPAEDICS, P.C.Hamden, CT · Dissolved | Hamden, CT | Corporation | Mar 31, 1970 | Dissolved |
| PARRETT, PORTO, PARESE & COLWELL, PROFESSIONAL CORPORATIONHamden, CT · Active | Hamden, CT | Corporation | May 4, 1972 | Active |
| POWER ELECTRIC, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | May 20, 1968 | Active |
| RADIOLOGY GROUP, P.C.Hamden, CT · Active | Hamden, CT | Corporation | Jul 3, 1972 | Active |
| RAY ERAMO PLUMBING & HEATING, INC.Hamden, CT · Active | Hamden, CT | Corporation | Jul 7, 1969 | Active |
| SISK BROTHERS, INCORPORATEDHamden, CT · Dissolved | Hamden, CT | Corporation | Feb 2, 1961 | Dissolved |
| GUYMARK, INC. STUDIOSHamden, CT · Active | Hamden, CT | Corporation | May 4, 1954 | Active |
| OLD TMB, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Oct 31, 1919 | Dissolved |
| R & C LIVOLSI, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Feb 10, 1966 | Dissolved |
| WHM CO., INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Oct 28, 1957 | Dissolved |
| WEINSTEIN & ANASTASIO, P.C.Hamden, CT · Dissolved | Hamden, CT | Corporation | Oct 25, 1972 | Dissolved |
| WHITNEY MANOR CONVALESCENT CENTER, LLCHamden, CT · Forfeited | Hamden, CT | LLC | Apr 17, 1972 | Forfeited |
| WILLIAM K. ENGLISH INCORPORATEDHamden, CT · Dissolved | Hamden, CT | Corporation | Aug 15, 1958 | Dissolved |
| LEAGUE OF WOMEN VOTERS OF LITCHFIELD COUNTY, INC.Hamden, CT · Active | Hamden, CT | Corporation | Jun 7, 1977 | Active |
| THE ANTILLEAN FRIENDLY ASSOCIATION, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | Jul 28, 1938 | Active |
| CIVITAN CLUB OF HAMDEN, INC., THEHamden, CT · Dissolved | Hamden, CT | Corporation | Jul 17, 1968 | Dissolved |
| CONNECTICUT ASSOCIATION OF COLLECTION BUREAUS, INCORPORATED, THEHamden, CT · Dissolved | Hamden, CT | Corporation | Mar 23, 1955 | Dissolved |
| THE CONNECTICUT ASSOCIATION OF PROFESSIONAL ACCOUNTANTS, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | May 18, 1970 | Dissolved |
| CONN. STATE ASSOC. NIULPE, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Jan 10, 1975 | Dissolved |
| CONNECTICUT UNION OF TELEPHONE WORKERS, INCORPORATED, THEHamden, CT · Active | Hamden, CT | Corporation | Mar 5, 1941 | Active |
| CURRIER WOODS ASSOCIATION, INC.Hamden, CT · Active | Hamden, CT | Corporation | Mar 2, 1972 | Active |
| ETHAN GARDENS COOPERATIVE, INC.Hamden, CT · Forfeited | Hamden, CT | Corporation | Mar 13, 1968 | Forfeited |
| FRIENDSHIP GATE, INC.Hamden, CT · Merged | Hamden, CT | Corporation | Jul 6, 1973 | Merged |
| GARDEN CLUB OF WOODBRIDGE INCORPORATED, THEHamden, CT · Forfeited | Hamden, CT | Corporation | Dec 29, 1942 | Forfeited |
| YALE ORTHOPEDIC FOUNDATION, INC.Hamden, CT · Forfeited | Hamden, CT | Corporation | Feb 14, 1972 | Forfeited |
| HALLMARK HILL CONDOMINIUM ASSOCIATION, INC.Hamden, CT · Active | Hamden, CT | Corporation | Jun 19, 1973 | Active |
| HAMDEN CHAMBER OF COMMERCE, INCORPORATED, THEHamden, CT · Active | Hamden, CT | Corporation | Jan 31, 1936 | Active |
| HAMDEN FISH AND GAME PROTECTIVE ASSOCIATION, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | Mar 20, 1941 | Active |
| HAMDEN HISTORICAL SOCIETY, INCORPORATED THEHamden, CT · Active | Hamden, CT | Corporation | Jul 9, 1945 | Active |
| HAMDEN LODGE NO. 2224, BENEVOLENT AND PROTECTIVE ORDER OF ELKS OF THE UNITED STATES OF AMERICA, INCOHamden, CT · Active | Hamden, CT | Corporation | Oct 18, 1961 | Active |
| HAMDEN POLICE BENEVOLENT ASSOCIATION, INC.Hamden, CT · Active | Hamden, CT | Corporation | Dec 1, 1971 | Active |
| HAMDEN POST 88, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | Nov 14, 1928 | Active |
| THE HAMDEN WOMAN'S CLUB, INC. GFWCHamden, CT · Active | Hamden, CT | Corporation | Dec 24, 1952 | Active |
| JEWISH WAR VETERANS OF THE UNITED STATES OF AMERICA, HAMDEN POST # 204, INC.Hamden, CT · Forfeited | Hamden, CT | Corporation | Sep 16, 1957 | Forfeited |
| LIONS CLUB OF NEW HAVEN, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | Jan 2, 1942 | Active |
| MARY CLAP WOOSTER CHAPTER, DAUGHTERS OF THE AMERICAN REVOLUTION, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | May 4, 1925 | Active |
| MERCURY FLYING CLUB, INCORPORATED.Hamden, CT · Forfeited | Hamden, CT | Corporation | Apr 30, 1956 | Forfeited |
| MOUNT CARMEL VOLUNTEER FIRE COMPANY NO. 1, INCORPORATEDHamden, CT · Active | Hamden, CT | Corporation | Mar 28, 1912 | Active |
| COMMUNITY INVESTMENT CORPORATIONHamden, CT · Active | Hamden, CT | Corporation | Jun 11, 1973 | Active |
| NEW HAVEN COUNTY FIRE EMERGENCY PLAN, INC.Hamden, CT · Active | Hamden, CT | Corporation | Apr 14, 1958 | Active |
| COMMUNITY INVESTMENT DEVELOPMENT CORPORATIONHamden, CT · Active | Hamden, CT | Corporation | Jan 12, 1973 | Active |
| NEW HAVEN HIKING CLUB, INCORPORATED, THEHamden, CT · Active | Hamden, CT | Corporation | May 10, 1956 | Active |
| SLEEPING GIANT PARK ASSOCIATION, INCORPORATED, THEHamden, CT · Active | Hamden, CT | Corporation | Mar 5, 1924 | Active |
| SOUTH CENTRAL CONNECTICUT EMERGENCY MEDICAL SERVICES COUNCIL, INC.Hamden, CT · Active | Hamden, CT | Corporation | Dec 23, 1976 | Active |
| WOLCOTT TOWN HOUSE CONDOMINIUM ASSOCIATION, INC.Hamden, CT · Active | Hamden, CT | Corporation | Nov 12, 1974 | Active |