| HARTFORD ANESTHESIOLOGY ASSOCIATES, INC.East Hartford, CT · Merged | East Hartford, CT | Corporation | Jul 29, 1964 | Merged |
| GREATER HARTFORD WOMAN'S BOWLING ASSOCIATION, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Jun 4, 1965 | Forfeited |
| GREATER HARTFORD CLUB OF THE DEAF, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jan 28, 1943 | Active |
| MANUFACTURERS' ASSOCIATION OF NEW HAVEN COUNTY, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Nov 15, 1946 | Active |
| MASSACO TOWN HOUSES CONDOMINIUM, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Dec 3, 1970 | Active |
| PILGRIM'S HARBOR OWNERS ASSOCIATION, INC.East Hartford, CT · Merged | East Hartford, CT | Corporation | Oct 29, 1974 | Merged |
| PRODUCING GUILD, INC., THEEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Mar 16, 1970 | Dissolved |
| RAYMOND LIBRARY COMPANY OF EAST HARTFORDEast Hartford, CT · Active | East Hartford, CT | Corporation | Feb 26, 1889 | Active |
| TUSCAN BROTHERHOOD,INCORPORATEDEast Hartford, CT · Merged | East Hartford, CT | Corporation | Oct 24, 1968 | Merged |
| VOLUNTEER HOSE COMPANY #3, INCORPORATEDEast Hartford, CT · Active | East Hartford, CT | Corporation | Feb 20, 1967 | Active |
| WESLEYAN HILLS ASSOCIATION, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jul 24, 1969 | Active |
| EAST HARTFORD, CONN. LODGE #1477,LOYAL ORDER OF MOOSE,INCORPORATED THEEast Hartford, CT · Forfeited | East Hartford, CT | Corporation | Mar 2, 1956 | Forfeited |
| BURNHAM BROS. INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Dec 7, 1977 | Active |
| MICHAEL'S BAKERY, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jan 30, 1978 | Dissolved |
| FWJA, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Oct 12, 1977 | Dissolved |
| POND PLACE ASSOCIATION, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Oct 13, 1977 | Active |
| ANTHONY D. DINARDO, D.M.D., P.C.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Oct 3, 1977 | Dissolved |
| FREIGHTLINER OF HARTFORD, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | May 23, 1978 | Active |
| INTERIOR CONSTRUCTION SUPPLIES, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jun 1, 1978 | Active |
| MARK S. POLLACK, D.D.S., P.C.East Hartford, CT · Active | East Hartford, CT | Corporation | Jun 30, 1978 | Active |
| PETE'S AUTO RADIATOR, INC.E. Hartford, CT · Dissolved | E. Hartford, CT | Corporation | Jul 18, 1978 | Dissolved |
| AIR LIQUIDE AMERICA CORPORATIONEast Hartford, CT · Withdrawn | East Hartford, CT | Corporation | Jul 31, 1978 | Withdrawn |
| ASSOCIATED ELECTRONIC SYSTEMS, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Aug 11, 1978 | Dissolved |
| SUMMERWOOD CONDOMINIUM ASSOCIATION, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Aug 14, 1978 | Active |
| NOC BROTHERS HOLDINGS, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Aug 17, 1978 | Dissolved |
| BCFH CORPORATIONEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Sep 1, 1960 | Dissolved |
| 20TH CENTURY TELEVISION, INCORPORATEDEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Dec 30, 1952 | Dissolved |
| JAK AUTOMOTIVE PARTS OF WINDSOR, INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Mar 7, 1973 | Forfeited |
| ALLAN S. GOODMAN, LLCEast Hartford, CT · Merged | East Hartford, CT | LLC | Dec 20, 2024 | Merged |
| MB ENTERPRISES, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | May 3, 1944 | Dissolved |
| ATLAS OIL COMPANY THEEast Hartford, CT · Active | East Hartford, CT | Corporation | Jul 9, 1930 | Active |
| GENGRAS HOLDINGS INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Mar 13, 1946 | Dissolved |
| DAVIS ACOUSTICAL CO., INC.East Hartford, CT · Forfeited | East Hartford, CT | Corporation | Jul 11, 1957 | Forfeited |
| CLARK JEWELERS, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Oct 31, 1978 | Dissolved |
| SOLIDUS, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Mar 18, 1932 | Active |
| GRAND UNION COMPANY THEHartford, CT · Revoked | Hartford, CT | Corporation | Jun 24, 1937 | Revoked |
| FMI PAINT & CHEMICAL, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Feb 16, 1950 | Active |
| HOFFMAN OLDSMOBILE, INC.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Feb 14, 1931 | Dissolved |
| EVANS INSURANCE AGENCY, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Jan 3, 1979 | Active |
| JETOBRA, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Feb 15, 1979 | Active |
| SELF SERVICE SALES CORPORATION THEEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jan 20, 1928 | Dissolved |
| UNITED STEEL INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Mar 21, 1979 | Active |
| GORMAN, HERRMANN & MENARD, P.C.East Hartford, CT · Active | East Hartford, CT | Corporation | Apr 2, 1979 | Active |
| HOBBY STORES DISTRIBUTING, INC.East Hartford, CT · Merged | East Hartford, CT | Corporation | Jun 1, 1979 | Merged |
| SUKHWANT S. SETHI, M.D., P.C.East Hartford, CT · Dissolved | East Hartford, CT | Corporation | Jul 31, 1979 | Dissolved |
| CROFT & SMITH, INC.East Hartford, CT · Cancelled | East Hartford, CT | Corporation | Aug 7, 1979 | Cancelled |
| HORST ENGINEERING & MANUFACTURING CO.East Hartford, CT · Active | East Hartford, CT | Corporation | Aug 15, 1979 | Active |
| AMERICAN LUNG ASSOCIATION OF THE NORTHEAST INC.East Hartford, CT · Merged | East Hartford, CT | Corporation | Mar 20, 1940 | Merged |
| RED OAK ASSOCIATES, INC.East Hartford, CT · Active | East Hartford, CT | Corporation | Dec 13, 1979 | Active |
| VOLUNTEER HOSE COMPANY NO. 2 OF EAST HARTFORD, INCORPORATED THEEast Hartford, CT · Dissolved | East Hartford, CT | Corporation | Oct 4, 1899 | Dissolved |