| NEW ENGLAND INSULATION CO.East Hartford, CT · Revoked | East Hartford, CT | Corporation | Feb 21, 1974 | Revoked |
| 585 CONNECTICUT BLVD. INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jul 14, 1959 | Active |
| BART TRUCK EQUIPMENT CO., INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jan 25, 1960 | Dissolved |
| PARK TRUCKING COMPANY, THEEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Mar 5, 1957 | Dissolved |
| PARKER INDUSTRIAL X-RAY LABORATORY CORPORATION, THEEast Hartford, CT · Active | East Hartford, CT | Corporation | Oct 6, 1953 | Active |
| PARKER X-RAY SOLUTION SERVICE, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Apr 16, 1959 | Active |
| PARTITIONS, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | May 31, 1966 | Active |
| PARTS FEEDERS, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Dec 20, 1957 | Active |
| PAT'S MEDICAL PHARMACY, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jun 3, 1963 | Dissolved |
| PAUL BUETTNER FLORIST, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Aug 28, 1968 | Dissolved |
| PRUDENTIAL ACCEPTANCE CORP.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Apr 15, 1977 | Dissolved |
| R & S ELECTRONIC DISTRIBUTORS, INC.E. Hartford, CT · Forfeited | E. Hartford, CT | Corporation | Nov 7, 1974 | Forfeited |
| THORESEN, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Apr 8, 1957 | Dissolved |
| PARSONS GOVERNMENT SERVICES INC.East Hartford, CT · Active | East Hartford, CT | Corporation | May 20, 1974 | Active |
| ROOSEVELT & CROSS, INCORPORATEDEast Hartford, CT · Revoked | East Hartford, CT | Corporation | May 6, 1977 | Revoked |
| S. ALERIA & SONS, INC.E. Hartford, CT · Dissolved | E. Hartford, CT | Corporation | Jan 6, 1970 | Dissolved |
| A.G. RUSSELL COMPANY INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Sep 30, 1966 | Active |
| SAVCO DISTRIBUTORS INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | May 2, 1972 | Dissolved |
| SCHILBERG INTEGRATED METALS CORP.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Oct 3, 1975 | Forfeited |
| FEDELE CORPORATIONEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Sep 3, 1959 | Dissolved |
| STANDARD WELDING COMPANY, INC.E. Hartford, CT · Active | E. Hartford, CT | Corporation | Jan 25, 1971 | Active |
| STEAK-EAST, INCORPORATEDEast Hartford, CT · Forfeited | East Hartford, CT | Corporation | Mar 3, 1972 | Forfeited |
| STERLING MOTOR AUTO BODY WORKS, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Jan 22, 1960 | Forfeited |
| SUN-LIGHTING AGENCY, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jun 29, 1973 | Dissolved |
| SUPERIOR LIQUORS, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Mar 28, 1952 | Forfeited |
| T & J AUTO BODY, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Dec 27, 1973 | Active |
| TOLLAND AUTOMOTIVE ENTERPRISES, INC.E. Hartford, CT · Active | E. Hartford, CT | Corporation | May 18, 1976 | Active |
| TOLLAND STREET PACKAGE STORE, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Jun 12, 1969 | Forfeited |
| TOWN HALL HARDWARE, INC.E. Hartford, CT · Forfeited | E. Hartford, CT | Corporation | Jun 1, 1977 | Forfeited |
| TRI-CITY SECURITY SERVICE, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Aug 8, 1967 | Forfeited |
| TRIO PRINTERS, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Mar 3, 1958 | Forfeited |
| UNAS GRINDING CORPORATIONEast Hartford, CT · Active | East Hartford, CT | Corporation | Nov 5, 1952 | Active |
| UNITED ACCEPTANCE CORPORATIONEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Apr 30, 1963 | Dissolved |
| UNITED AUTO SERVICE CENTER, INCORPORATEDEast Hartford, CT · Forfeited | East Hartford, CT | Corporation | Feb 26, 1959 | Forfeited |
| UNITED CENTERLESS GRINDING AND THREAD ROLLING, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jan 11, 1960 | Active |
| UTILITY DEVELOPMENT CORPORATIONEast Hartford, CT · Forfeited | East Hartford, CT | Corporation | Jun 6, 1967 | Forfeited |
| NELSON INSURANCE AGENCY, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Feb 2, 1961 | Dissolved |
| VIOLETTE SILVESTER AND SONS, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Feb 14, 1950 | Active |
| WARNER & WARNER OPTICIANS, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Mar 15, 1965 | Dissolved |
| WOODLAND AUTO BODY COMPANYEast Hartford, CT · Active | East Hartford, CT | Corporation | Jun 28, 1963 | Active |
| BIRTHRIGHT OF GREATER HARTFORD, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Mar 22, 1972 | Active |
| CANTON VILLAGE CONDOMINIUM ASSOCIATION, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Aug 7, 1974 | Active |
| INTERCOMMUNITY RECOVERY CENTERS, INC.East Hartford, CT · Merged | East Hartford, CT | Corporation | May 15, 1972 | Merged |
| CONNECTICUT ACADEMY OF SCIENCE AND ENGINEERING, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Jul 14, 1976 | Active |
| COTTAGE STREET WATER AND ROAD ASSOCIATION, INCORPORATED, THEEast Hartford, CT · Active | East Hartford, CT | Corporation | Jan 14, 1959 | Active |
| EAST HARTFORD CHAMBER OF COMMERCE INCORPORATED, THEEast Hartford, CT · Merged | East Hartford, CT | Corporation | Oct 11, 1939 | Merged |
| EAST HARTFORD MUNICIPAL EMPLOYEES UNION INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jul 15, 1968 | Active |
| EAST HARTFORD POLICE BENEVOLENT ASSOCIATION, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Corporation | Jan 28, 1943 | Active |
| EAST HARTFORD VISITING NURSE ASSOCIATION, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Oct 4, 1928 | Dissolved |
| EASTWOOD CONDOMINIUM ASSOCIATION, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Apr 3, 1970 | Active |