| CORDAY, INCORPORATED | — | 0011204 | 1949-11-17 | Dissolved | |
| CORNWALL POST NO. 9856, VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATED THE | — | 0134260 | 1949-08-19 | Revoked | |
| CORONA'S AUTO PARTS, INCORPORATED | — | 0011248 | 1949-07-01 | Active | HARTFORD |
| COS COB REPUBLICAN CLUB, INCORPORATED | — | 0053492 | 1949-08-22 | Revoked | |
| COURIER-CITIZEN COMPANY | — | 0075435 | 1949-05-10 | Revoked | |
| CRESCENT LAKE ASSOCIATION, INCORPORATED | — | 0053567 | 1949-06-23 | Revoked | NONE |
| CRESCENT NOBLE CORPORATION, THE | — | 0011669 | 1949-03-11 | Dissolved | |
| CREVANSON, INC. | — | 0082825 | 1949-04-20 | Dissolved | |
| D'ANGELO FUNERAL HOME, INCORPORATED, THE | — | 0012589 | 1949-12-14 | Dissolved | |
| D. & D. COMPANY, INCORPORATED | — | 0012109 | 1949-07-05 | Dissolved | |
| DANE BUILDERS, INCORPORATED | — | 0211309 | 1949-12-13 | Merged | |
| DANEW REALTY COMPANY, THE | — | 0012586 | 1949-05-04 | Dissolved | |
| DANIEL F. MACNAMEE & CO., INC. | — | 0012603 | 1949-10-14 | Revoked | |
| DAYTON REALTY CORP. | — | 0012952 | 1949-09-20 | Dissolved | |
| DECICCO GARAGE, INCORPORATED , THE | — | 0013016 | 1949-06-24 | Active | STAFFORD SPRINGS |
| DEERHILL ASSOCIATES, INCORPORATED, THE | — | 0053737 | 1949-08-10 | Revoked | |
| DELMAR REALTY CORPORATION, THE | — | 0013167 | 1949-08-24 | Dissolved | |
| DEMOTSES CORPORATION, INC. THE | — | 0013254 | 1949-07-14 | Dissolved | |
| DERBY CIVIC IMPROVEMENT ASSOCIATION INCORPORATED, THE | — | 0051582 | 1949-03-14 | Revoked | NONE |
| DIAMOND HARDWARE, INCORPORATED | — | 0013525 | 1949-12-19 | Dissolved | |
| DOBLIN, INCORPORATED | — | 0013806 | 1949-01-13 | Dissolved | |
| DOCTORS' OFFICES, INCORPORATED | — | 0013840 | 1949-11-08 | Dissolved | |
| DOW COVER COMPANY, INCORPORATED | — | 0014100 | 1949-11-08 | Active | NEW HAVEN |
| DRAKEVILLE VOLUNTEER FIRE DEPARTMENT, INCORPORATED, THE | — | 0053811 | 1949-08-30 | Active | TORRINGTON |
| DRAVO CORPORATION | — | 0078502 | 1949-03-28 | Withdrawn | PITTSBURGH |
| EASTERN PRESS, INCORPORATED | — | 0084300 | 1949-09-09 | Revoked | NONE |
| ECHO HOSE HOOK AND LADDER AMBULANCE CORPS, INCORPORATED THE | — | 0096194 | 1949-05-25 | Active | SHELTON |
| EDGEWOOD CONGREGATIONAL CHURCH | — | 0111746 | 1949-03-04 | Merged | |
| EDGEWOOD GOLF CLUB, INCORPORATED | — | 0015082 | 1949-02-01 | Dissolved | NONE |
| ELECTRIC SERVICE AND REPAIR COMPANY, THE | — | 0015345 | 1949-05-20 | Dissolved | |
| ELM CITY GUN CLUB, INCORPORATED, THE | — | 0054123 | 1949-03-30 | Active | East Haven |
| ELM CITY PATTERN AND FOUNDRY WORKS, INCORPORATED THE | — | 0084160 | 1949-05-04 | Dissolved | |
| ELM STREET REALTY CORPORATION, THE | — | 0015538 | 1949-02-25 | Dissolved | |
| ELM THEATRE, INCORPORATED | — | 0084175 | 1949-02-02 | Merged | |
| ELMARED CORPORATION, THE | — | 0015548 | 1949-12-21 | Dissolved | |
| EMANUEL BAPTIST CHURCH OF ANSONIA, THE | — | 0266405 | 1949-02-04 | Merged | |
| EMPIRE CARDBOARD CORPORATION THE | — | 0093116 | 1949-07-13 | Merged | |
| ENFIELD CONGREGATIONAL CHURCH | — | 0063266 | 1949-03-23 | Active | |
| ENGLISH SETTER CLUB OF NEW ENGLAND, INCORPORATED, THE | — | 0054179 | 1949-05-24 | Revoked | |
| ENTERPRISE PROPERTIES, INCORPORATED | — | 0015848 | 1949-11-04 | Dissolved | |
| ESTHER DRESS COMPANY, INCORPORATED, THE | — | 0016067 | 1949-11-08 | Revoked | NONE |
| ETHICAL PHARMACY OF MIDDLETOWN, INC. | — | 0088897 | 1949-04-04 | Dissolved | |
| EXCELSIOR LODGE NO. 3, F. & A.M.(PRINCE HALL AFFILIATION) INCORPORATED | — | 0054229 | 1949-01-14 | Revoked | |
| EXCHANGE CLUB OF GLASTONBURY, CONNECTICUT, INCORPORATED, THE | — | 0054244 | 1949-11-04 | Active | Glastonbury |
| F. B. WASLEY, INCORPORATED | — | 0016294 | 1949-12-13 | Dissolved | |
| F.W.L. ELECTRIC CO., INC. (NOT AUTH) | — | 0075390 | 1949-04-13 | Merged | |
| FAIRLAWN PHARMACY, INCORPORATED | — | 0085353 | 1949-12-05 | Merged | |
| FALCON MANCHESTER INC. | — | 0085499 | 1949-01-31 | Dissolved | |
| FALLS VILLAGE GRANGE NO. 204, PATRONS OF HUSBANDRY, INCORPORATED, THE | — | 0054377 | 1949-12-07 | Revoked | |
| FALLS VILLAGE VOLUNTEER FIRE DEPARTMENT, INC. | — | 0054378 | 1949-08-01 | Active | Falls Village |