| ATRIUM DOOR AND WINDOW COMPANY OF THE NORTHEASTLocation not reported, CT · Merged | Location not reported, CT | Corporation | Oct 17, 1958 | Merged |
| TATA STEEL INTERNATIONAL (AMERICAS) INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 12, 1970 | Revoked |
| CIVES CORP.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 2, 1969 | Active |
| C.T.I. INDUSTRIES, INC.Orange, CT · Merged | Orange, CT | Corporation | Oct 27, 1975 | Merged |
| ELI LILLY AND COMPANYLocation not reported, CT · Active | Location not reported, CT | Corporation | Jun 27, 1974 | Active |
| GREATER CONNECTICUT BROADCASTING, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jul 5, 1972 | Dissolved |
| INSTANTWHIP CONNECTICUT, INC.Wallingford, CT · Active | Wallingford, CT | Corporation | Sep 30, 1946 | Active |
| MCKEE FOODS CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 22, 1974 | Active |
| INSUROPE SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Sep 27, 1976 | Active |
| NEELTRAN, INC.New Milford, CT · Active | New Milford, CT | Corporation | Oct 3, 1973 | Active |
| NEW ENGLAND CONTROLS, INC.Milford, CT · Dissolved | Milford, CT | Corporation | Jun 9, 1975 | Dissolved |
| NEWCOMB SPRING CORP.Location not reported, CT · Active | Location not reported, CT | Corporation | May 14, 1952 | Active |
| CONNECTICUT BULK TRANSPORT, INC.Beacon Falls, CT · Merged | Beacon Falls, CT | Corporation | Oct 14, 1969 | Merged |
| REGIS BEAUTY SALONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Aug 18, 1975 | Active |
| REGIS CORPORATIONBrooklyn, CT · Dissolved | Brooklyn, CT | Corporation | Jan 3, 1967 | Dissolved |
| COMPHEALTH ASSOCIATES, INC.Trumbull, CT · Active | Trumbull, CT | Corporation | Jan 31, 1972 | Active |
| WESTERN WATERPROOFING COMPANY, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 19, 1976 | Active |
| X-RAY, INC. OF R.I.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 9, 1973 | Revoked |
| NATIONAL AUDUBON SOCIETY OF COASTAL CONN., INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 3, 1964 | Active |
| NATIONAL AUDUBON SOCIETY OF GREENWICH, INCORPORATED, THELocation not reported, CT · Active | Location not reported, CT | Corporation | Jul 3, 1942 | Active |
| NATIONAL AUDUBON SOCIETY OF SHARON, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 1, 1963 | Active |
| NATURE CONSERVANCY OF CONNECTICUT, INC., THENew Haven, CT · Merged | New Haven, CT | Corporation | Jul 9, 1958 | Merged |
| TITANIUM METALS CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Jun 28, 1978 | Active |
| SENCO PRODUCTS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 3, 1978 | Revoked |
| NATIONAL ASSOCIATION OF SOCIAL WORKERS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 14, 1978 | Active |
| SUNKIST GROWERS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 18, 1951 | Revoked |
| C T CORPORATION SYSTEMLocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 4, 1936 | Active |
| FEDERAL SIGNAL CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 19, 1969 | Active |
| FCCC, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 21, 1960 | Active |
| MEDICAL MART, INC. THENew Britain, CT · Merged | New Britain, CT | Corporation | Dec 1, 1978 | Merged |
| STRUCTURAL GROUP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Sep 7, 1979 | Active |
| ELECTRIC POWER RESEARCH INSTITUTE, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 31, 1979 | Active |
| HALLAMORE CORP.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 30, 1980 | Active |
| UPC HOLDINGS, INC.Old Saybrook, CT · Forfeited | Old Saybrook, CT | Corporation | Jan 28, 1980 | Forfeited |
| WORLD CAPITAL BROKERAGE, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 11, 1980 | Active |
| HUDSON HOME HEALTH CARE, INC.Newington, CT · Active | Newington, CT | Corporation | Jul 16, 1980 | Active |
| ALLOY SPECIALTIES, LLCManchester, CT · Active | Manchester, CT | LLC | Sep 16, 2021 | Active |
| SABLE PALM, INC.Westport, CT · Merged | Westport, CT | Corporation | Apr 10, 1981 | Merged |
| LINDLEY FOOD SERVICE CORPORATIONNew Haven, CT · Forfeited | New Haven, CT | Corporation | Jul 31, 1981 | Forfeited |
| PERFORMANCE FOOD GROUP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 9, 1981 | Active |
| STOLL'S MEDICAL RENTALS, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Mar 9, 1982 | Merged |
| TRANSCOMMUNICATIONS CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 29, 1982 | Forfeited |
| ALERT MARKETING, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Mar 25, 1983 | Dissolved |
| BERKEL & COMPANY, CONTRACTORS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 21, 1983 | Active |
| HAMILTON HEIGHTS APARTMENT CORP.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jul 18, 1983 | Dissolved |
| ROSSER INTERNATIONAL, INC.Old Saybrook, CT · Revoked | Old Saybrook, CT | Corporation | Nov 18, 1983 | Revoked |
| IN-STORE OPPORTUNITIES, INC.Middletown, CT · Merged | Middletown, CT | Corporation | Dec 14, 1983 | Merged |
| TISHMAN SPEYER PROPERTIES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 9, 1984 | Active |
| NEW ENGLAND HOME CARE, INC.Rocky Hill, CT · Active | Rocky Hill, CT | Corporation | Jan 18, 1984 | Active |
| PROVENZANO CONSTRUCTION MANAGEMENT COMPANY, INC.Ridgefield, CT · Forfeited | Ridgefield, CT | Corporation | Sep 19, 1984 | Forfeited |