| DOUGLAS ELLIMAN - GIBBONS & IVES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 28, 1975 | Revoked |
| DOVER PUBLISHING CORPORATION, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 12, 1976 | Revoked |
| DRAKE PERSONNEL INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 8, 1972 | Revoked |
| BNY MELLON SECURITIES CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 4, 1973 | Active |
| BNY MELLON INSURANCE AGENCY, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 5, 1973 | Active |
| DRILL FOR FUEL, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Nov 23, 1976 | Forfeited |
| DOWNING DISPLAYS, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 11, 1975 | Forfeited |
| DRYVIT SYSTEM, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 4, 1976 | Revoked |
| DUNHAM AND SMITH AGENCIES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Nov 2, 1961 | Withdrawn |
| INNOWARE PAPER, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Feb 25, 1977 | Merged |
| DUNN BUS CORPORATION, THELocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Jun 3, 1958 | Forfeited |
| DURA CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 7, 1966 | Revoked |
| DUROCHROME PRODUCTS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 26, 1974 | Revoked |
| THE E.A. PATTEN CO., LLCNew Britain, CT · Active | New Britain, CT | LLC | Aug 31, 1959 | Active |
| EBL CO., INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Sep 14, 1967 | Merged |
| E. DAVIS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 25, 1976 | Revoked |
| E. F. MACDONALD COMPANY THELocation not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 13, 1973 | Revoked |
| EMI INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 27, 1975 | Revoked |
| EMI NORTH AMERICA HOLDINGS INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 11, 1976 | Revoked |
| E-P BUILDING CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Oct 19, 1976 | Forfeited |
| ESB INCORPORATEDLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 19, 1967 | Revoked |
| RYAN IRON WORKS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Aug 8, 1975 | Active |
| EASCO TOOLS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 24, 1974 | Withdrawn |
| EAST COAST LOOSE LEAF, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 21, 1976 | Revoked |
| EASTERN CONSTRUCTION COMPANY, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 19, 1975 | Revoked |
| EASTERN ENERGY CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Aug 14, 1972 | Withdrawn |
| EASTERN F. S. SHOE COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 15, 1960 | Withdrawn |
| EASTERN GASOLINE RETAILERS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 21, 1975 | Withdrawn |
| EASTERN MARKETING ASSOCIATES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 4, 1971 | Revoked |
| EASTERN NEWSSTAND CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Apr 28, 1970 | Withdrawn |
| ECHLIN SALES COMPANY,THEBranford, CT · Merged | Branford, CT | Corporation | Sep 7, 1954 | Merged |
| ECOLOGICAL BOOK CLUB, INC. THELocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jan 21, 1972 | Revoked |
| ECONO-CAR INTERNATIONAL INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 22, 1973 | Revoked |
| ECRO CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 14, 1967 | Withdrawn |
| EDGCOMB STEEL COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 28, 1976 | Withdrawn |
| EDGCOMB-MILLFORD, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Nov 22, 1976 | Dissolved |
| EDUCATIONAL DEVELOPMENT CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 17, 1973 | Withdrawn |
| EDWARD WECK INCORPORATEDLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 6, 1963 | Revoked |
| EICHLEAY CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 16, 1970 | Revoked |
| EICONICS INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Sep 3, 1974 | Forfeited |
| 80 WATER STREET CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Apr 18, 1966 | Merged |
| EIMCO BSP SERVICES COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 27, 1975 | Withdrawn |
| ELDON REALTY CO., INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 27, 1958 | Withdrawn |
| U.S. ELECTRICAL SERVICES, INC.Middletown, CT · Active | Middletown, CT | Corporation | May 6, 1970 | Active |
| ELECTRODES, INCORPORATEDMilford, CT · Active | Milford, CT | Corporation | Nov 27, 1967 | Active |
| SLE, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 3, 1968 | Revoked |
| ELECTRONICS LEASING CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 7, 1960 | Revoked |
| EYE DOCTORS OPTOMETRISTS, PLLCOld Saybrook, CT · Active | Old Saybrook, CT | LLC | Oct 1, 1973 | Active |
| ELLERBE BECKET, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 14, 1971 | Active |
| ELMWOOD INVESTORS, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Sep 21, 1976 | Dissolved |