| DAVIS SPECIALTIES CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 24, 1973 | Revoked |
| DAVIS-STANDARD REALTY CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 20, 1964 | Forfeited |
| DAY & ZIMMERMANN, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 19, 1973 | Active |
| DE LAVAL SEPARATOR COMPANY THELocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Aug 8, 1966 | Withdrawn |
| TRANSAMERICA DELAVAL INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 10, 1963 | Revoked |
| DEAN FLOOR COVERING CO.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 24, 1973 | Revoked |
| MORGAN STANLEY INSURANCE SERVICES INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 5, 1975 | Active |
| DEARBORN EQUIPMENT CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 12, 1969 | Revoked |
| DECIMUS CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 22, 1971 | Revoked |
| DECISION CONCEPTS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 26, 1969 | Revoked |
| SOT PLANTS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 31, 1977 | Withdrawn |
| DEFREE ELECTRIC & MFG. CORP.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jun 30, 1969 | Forfeited |
| DEHAVEN & TOWNSEND, BROUTER & BODINE INCORPORATEDLocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 21, 1976 | Revoked |
| BELL & HOWELL COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Apr 22, 1977 | Withdrawn |
| PARSONS TRANSPORTATION GROUP INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 14, 1969 | Active |
| DERAND PROPERTY MANAGEMENT CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 10, 1975 | Revoked |
| DERBY FOODS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 14, 1950 | Withdrawn |
| DETTRA FLAG COMPANY, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jul 30, 1969 | Forfeited |
| DEVOE & RAYNOLDS COMPANY, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 3, 1976 | Withdrawn |
| DEXTER INTERNATIONAL CORPORATIONWindsor Locks, CT · Dissolved | Windsor Locks, CT | Corporation | Apr 22, 1976 | Dissolved |
| DEXTER-FURMANITE, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 22, 1976 | Withdrawn |
| DIAGNOSTIC SCIENCES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 15, 1971 | Revoked |
| DIAMOND CRYSTAL SALT COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 13, 1968 | Revoked |
| DIAMOND SHAMROCK HEALTH SCIENCES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 3, 1974 | Withdrawn |
| DIAMOND CHROME PLATING, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Nov 23, 1953 | Active |
| DICTAPHONE CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 24, 1961 | Withdrawn |
| DIEBOLD CONTRACT SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 23, 1971 | Withdrawn |
| DIET CONTROL CENTERS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 14, 1972 | Revoked |
| DIET WATCHERS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 9, 1976 | Withdrawn |
| TESORO GASOLINE MARKETING COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 7, 1975 | Withdrawn |
| DIGITAL COMPUTER CONTROLS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 26, 1973 | Withdrawn |
| DIGITAL EQUIPMENT CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 18, 1966 | Revoked |
| WEBER INTERNATIONAL, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jul 12, 1974 | Dissolved |
| DIKEWOOD INDUSTRIES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 17, 1976 | Revoked |
| PILGRIM INDUSTRIES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 26, 1971 | Revoked |
| DIRECT TRADING SERVICE INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 23, 1977 | Revoked |
| DISCOVERY HOUSE, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 22, 1971 | Withdrawn |
| DISTRIGAS CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 26, 1969 | Withdrawn |
| DIVA, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 5, 1973 | Revoked |
| DIVERSIFIED EDUCATION AND RESEARCH CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 30, 1973 | Revoked |
| DIVERSIFIED INDUSTRIES, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | May 23, 1977 | Forfeited |
| DOCUMATION INCORPORATEDLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 29, 1976 | Revoked |
| DOMAC ENTERPRISES INCORPORATEDLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 25, 1975 | Revoked |
| DOMLER LEASING CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 26, 1973 | Revoked |
| DOMTAR PULP & PAPER INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 21, 1970 | Withdrawn |
| DON-MAY OF CONN., INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jan 2, 1974 | Forfeited |
| DOONEY & BOURKE, INC.East Norwalk, CT · Active | East Norwalk, CT | Corporation | May 30, 1975 | Active |
| DORIC CORPORATION OF OKLAHOMALocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 24, 1964 | Revoked |
| DORMAR PROPERTIES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 22, 1972 | Revoked |
| DORR-OLIVER EXPORT COMPANYLocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Nov 21, 1975 | Dissolved |