| 1136 ALBANY AVENUE CORPORATION | — | 0015432 | 1930-11-17 | Dissolved | NONE |
| AGJ, INCORPORATED | — | 0024739 | 1930-12-12 | Dissolved | |
| ALDERMAN MOTOR COMPANY THE | — | 0001416 | 1930-01-16 | Revoked | MERIDEN |
| ALDERSON-FORD FUNERAL HOMES, INCORPORATED | — | 0001417 | 1930-08-04 | Active | CHESHIRE |
| AMERICAN LEGION POST 0014 INCORPORATED | — | 0062046 | 1930-01-23 | Active | VERNON |
| AMERICAN REFRACTORIES AND CRUCIBLE CORPORATION | — | 0081554 | 1930-05-22 | Revoked | |
| AQUA VISTA ASSOCIATION INCORPORATED | — | 0069704 | 1930-10-22 | Active | |
| ARTHUR BROOKES SONS INCORPORATED | — | 0002958 | 1930-02-06 | Active | DEEP RIVER |
| ATLAS OIL COMPANY THE | — | 0081750 | 1930-07-09 | Active | EAST HARTFORD |
| B. C. PORTER SONS, INCORPORATED | — | 0003782 | 1930-01-20 | Dissolved | |
| B. L. R. REALTY COMPANY THE | — | 0081917 | 1930-06-13 | Active | STAMFORD |
| BADMINTON CLUB OF NEW HAVEN, INCORPORATED THE | — | 0051846 | 1930-11-24 | Active | BETHANY |
| BEACON HOSE COMPANY NUMBER ONE OF BEACON FALLS, INCORPORATED | — | 0051902 | 1930-03-27 | Active | BEACON FALLS |
| BEEBE'S REALTY, INC. | — | 0074071 | 1930-08-04 | Dissolved | |
| BETH-JACOB COMMUNITY SYNAGOGUE, INCORPORATED, THE | — | 0067399 | 1930-03-25 | Active | |
| BETHANY LIBRARY ASSOCIATION, INCORPORATED, THE | — | 0051964 | 1930-12-19 | Active | BETHANY |
| BLACK ROCK CIVIC AND BUSINESS MEN'S CLUB, INC. | — | 0061865 | 1930-03-17 | Revoked | NONE |
| BRANFORD THEATRE, INCORPORATED | — | 0005972 | 1930-06-30 | Dissolved | NONE |
| BRIDGEPORT PATROLMEN'S ASSOCIATION INC., THE | — | 0052180 | 1930-07-05 | Revoked | SHELTON |
| CENTER CONGREGATIONAL CHURCH, THE | — | 0062904 | 1930-01-24 | Active | NONE |
| CERRETANI CONSTRUCTION COMPANY, INCORPORATED, THE | — | 0082574 | 1930-02-26 | Revoked | NONE |
| CHARLES L. UPHAM CAMP, NO. 7, SONS OF UNION VETERANS OF THE CIVIL WAR, INCORPORATED | — | 0052582 | 1930-09-10 | Revoked | |
| CHEVRY LOUMDAY MISHNAYES | — | 0062926 | 1930-11-25 | Active | |
| CITY LUMBER COMPANY OF BRIDGEPORT, INCORPORATED | — | 0009247 | 1930-01-27 | Dissolved | |
| COLLINS & LEARY, INCORPORATED | — | 0009698 | 1930-01-20 | Active | BRIDGEPORT |
| COLUMBIA PRINTING COMPANY | — | 0009902 | 1930-05-26 | Revoked | North Haven |
| COMMUNITY BAPTIST CHURCH OF NEW CANAAN, INCORPORATED THE | — | 0191337 | 1930-11-10 | Active | NONE |
| CONGREGATION BETH HAMEDRASH HAGODOL OF NEW HAVEN INCORPORATED THE | — | 0111415 | 1930-08-18 | Merged | NONE |
| CONNECTICUT IRON WORKS, INCORPORATED, THE | — | 0010566 | 1930-04-28 | Active | Greenwich |
| CONNECTICUT MEMORIAL PARKS COMPANY THE | — | 0251635 | 1930-12-22 | Active | |
| CONNECTICUT REFINING COMPANY, THE | — | 0085529 | 1930-03-10 | Merged | |
| CONNECTICUT YANKEE GIRL SCOUT COUNCIL, INC. | — | 0134269 | 1930-08-07 | Dissolved | |
| CONSOLIDATED MILLINERY COMPANY | — | 0082390 | 1930-01-27 | Revoked | |
| CORBIN COACH LINES, INC. | — | 0082758 | 1930-05-27 | Revoked | |
| CRESCENT PLACE CLUB, INCORPORATED | — | 0053569 | 1930-03-04 | Dissolved | NONE |
| CZECHOSLOVAK SICK BENEFIT ASSOCIATION OF SHELTON, CONNECTICUT INCORPORATED, THE | — | 0053621 | 1930-11-10 | Revoked | |
| D & R BLUTSTEIN, INCORPORATED | — | 0012282 | 1930-09-09 | Dissolved | NONE |
| DANBURY MOTORS, INCORPORATED | — | 0012529 | 1930-08-25 | Revoked | |
| DANBURY TAXI AND LIMOUSINE, INC. | — | 0083001 | 1930-12-05 | Revoked | |
| DAUGHTERS OF THE BRITISH EMPIRE IN STATE OF CONNECTICUT INCORPORATED | — | 0098597 | 1930-05-12 | Active | NEW CANAAN |
| DAVID H. MACKENZIE, INCORPORATED | — | 0012852 | 1930-11-28 | Dissolved | NONE |
| DEHMER'S OIL HEAT, INCORPORATED | — | 0013095 | 1930-12-17 | Revoked | NONE |
| DESPATHY'S FURNITURE, INCORPORATED | — | 0013428 | 1930-03-28 | Dissolved | |
| DILLON BROTHERS CAPITAL CORPORATION | — | 0013632 | 1930-08-29 | Dissolved | NONE |
| EAST LAWN PERPETUAL TRUST FUND INCORPORATED | — | 0053936 | 1930-04-22 | Active | EAST HAVEN |
| EBENEZER GOSPEL ASSEMBLY, INC. THE | — | 0120923 | 1930-04-28 | Active | |
| ELDREDGE HARDWARE COMPANY, THE | — | 0015319 | 1930-09-04 | Revoked | |
| ERNEST F. SEXTON POST NO. 51 OF THE AMERICAN LEGION, INCORPORATED | — | 0066286 | 1930-04-02 | Active | |
| F. P. GRANGER & SONS, INCORPORATED | — | 0016404 | 1930-03-21 | Dissolved | EAST GRANBY |
| FARMILL RIVER GRANGE, NO. 130 P. OF H. INCORPORATED THE | — | 0054392 | 1930-02-10 | Revoked | |