| GORDON SERVICES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 21, 1974 | Revoked |
| GORDON'S JEWELRY CO. OF CONNECTICUT, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Oct 18, 1971 | Merged |
| GORDON'S - MERIDEN SQUARE, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Oct 26, 1971 | Merged |
| GOSSAMER KENNELS INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Oct 25, 1974 | Forfeited |
| GRAFTON SPOOLS, LTD.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 8, 1958 | Revoked |
| GRAND VIEW MANOR, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jun 16, 1969 | Dissolved |
| GRANITE-SEABRO CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 3, 1971 | Withdrawn |
| GRAPHIC MICROFILM, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 1, 1974 | Withdrawn |
| GRAPHIC SCIENCES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 6, 1967 | Withdrawn |
| GRAVES EQUIPMENT, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 27, 1950 | Revoked |
| GREAT BEAR OF CONNECTICUT, INC.Sandy Hook, CT · Forfeited | Sandy Hook, CT | Corporation | Mar 28, 1973 | Forfeited |
| COX CABLE GREATER HARTFORD, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Apr 20, 1967 | Merged |
| GTPC, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 23, 1974 | Withdrawn |
| GREENE/HOUSTON ASSOCIATES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 2, 1974 | Revoked |
| GREENSTEEL, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 11, 1973 | Revoked |
| GREENWICH ANESTHESIOLOGY ASSOCIATES, P.C.Stamford, CT · Active | Stamford, CT | Corporation | Sep 16, 1976 | Active |
| GREENWICH CVS, INC.Greenwich, CT · Dissolved | Greenwich, CT | Corporation | Sep 1, 1970 | Dissolved |
| GREENWICH OPHTHALMOLOGY ASSOCIATES, PLLCStamford, CT · Forfeited | Stamford, CT | LLC | Dec 27, 2021 | Forfeited |
| EASCO ENGINEERING CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 12, 1972 | Revoked |
| GROLSCH-MICHIGAN, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 10, 1976 | Revoked |
| GROSSMAN INDUSTRIAL PROPERTIES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 6, 1964 | Withdrawn |
| GROVETON PAPERS COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Aug 2, 1974 | Withdrawn |
| GROWTH COMPANY OF CONNECTICUT, INC. THELocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 18, 1975 | Forfeited |
| GRUEN INDUSTRIES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jan 15, 1971 | Revoked |
| GRUMMAN ECOSYSTEMS CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 21, 1977 | Withdrawn |
| GUARDSMARK, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 29, 1968 | Withdrawn |
| GUEST CONSTRUCTION COMPANY, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 30, 1977 | Withdrawn |
| GUIDE TO REPRINTS, INC.Kent, CT · Dissolved | Kent, CT | Corporation | Apr 26, 1976 | Dissolved |
| GUILD DRILLING CO., INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 28, 1977 | Revoked |
| GULF COMPUTER SCIENCES INCORPORATEDLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 15, 1970 | Withdrawn |
| GULL METAL SPECIALTIES, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jan 17, 1958 | Dissolved |
| GYPSUM CONSTRUCTORS, INC. OF NEW ENGLANDLocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Apr 1, 1954 | Dissolved |
| HBE BANK FACILITIES CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 10, 1975 | Withdrawn |
| PRC MAYCO, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 21, 1968 | Withdrawn |
| PHONIC EAR INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 20, 1975 | Revoked |
| H. C. PRICE CO.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 1, 1964 | Withdrawn |
| H. F. & M. INDUSTRIES, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 20, 1971 | Forfeited |
| H. F. P. CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 22, 1973 | Revoked |
| HNC REALTY COMPANYLocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Jun 22, 1970 | Dissolved |
| HOUSE OF VISION INSTRUMENT CO.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 5, 1971 | Revoked |
| H. P. TOWNSEND MANUFACTURING CO. THELocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 29, 1969 | Revoked |
| EGIS USA, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 22, 1973 | Active |
| HALCYON LTD.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 25, 1975 | Revoked |
| HALL HOUSE, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 26, 1964 | Revoked |
| HAMDEN RETAILER, INC.Hamden, CT · Dissolved | Hamden, CT | Corporation | Jun 12, 1969 | Dissolved |
| HAMDEN SQUARE, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jan 26, 1970 | Dissolved |
| HAMDEN SURGICAL, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jul 9, 1962 | Merged |
| HAMILTON BEACH MANUFACTURING COMPANY, THELocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Sep 8, 1923 | Forfeited |
| HAMILTON HOUSE, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 9, 1963 | Revoked |
| HAMMOND SERVICE CENTERS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 6, 1974 | Revoked |