| POLISH FALCONS OF AMERICA, NEST 307, INCORPORATED, THE | — | 0058797 | 1949-08-30 | Active | Plantsville |
| POLISH-AMERICAN MOTHERS AND DAUGHTERS CLUB, INCORPORATED, THE | — | 0058787 | 1949-03-21 | Revoked | |
| POLLIO DAIRY PRODUCTS CORPORATION | — | 0075346 | 1949-05-10 | Revoked | |
| PORTO'S TIRE SERVICE, INCORPORATED | — | 0086966 | 1949-05-23 | Dissolved | HAMDEN |
| PPS DISTRIBUTION CORP. | — | 0035684 | 1949-01-04 | Dissolved | |
| PRESTON CITY FAIR ASSOCIATION, INCORPORATED, THE | — | 0058892 | 1949-06-06 | Revoked | |
| PRESTON CITY SOCIAL CLUB, INCORPORATED, THE | — | 0062401 | 1949-07-11 | Active | PRESTON |
| PROFESSIONAL DENTAL LABORATORIES, INCORPORATED | — | 0037593 | 1949-06-24 | Dissolved | |
| PUTNAM FISH AND GAME CLUB, INCORPORATED | — | 0058998 | 1949-10-31 | Revoked | |
| PUTNAM-INDIAN FIELD SCHOOL, INC. | — | 0074350 | 1949-07-27 | Active | |
| QUEBECOR WORLD DIRECT BROOKFIELD INC. | — | 0031720 | 1949-03-07 | Merged | NORTH HAVEN |
| RAYMOND T. GOLDBACH POST NO. 9460, VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATED | — | 0059259 | 1949-02-23 | Active | STRATFORD |
| REICHBART FURS, INCORPORATED | — | 0039063 | 1949-06-29 | Revoked | |
| REX ROOFING COMPANY OF STAMFORD, INCORPORATED | — | 0039336 | 1949-07-26 | Active | Stamford |
| ROBERT E. SHURE & SON FUNERAL HOME, INC. | — | 0039827 | 1949-08-16 | Active | NEW HAVEN |
| ROCK LODGE FARMS, INCORPORATED | — | 0040020 | 1949-01-24 | Dissolved | NONE |
| ROCKRIMMON COUNTRY CLUB, INCORPORATED | Arts and entertainment | 0059081 | 1949-03-24 | Active | STAMFORD |
| RONDO OF AMERICA, INCORPORATED | — | 0086519 | 1949-04-04 | Active | NAUGATUCK |
| ROSA YOUNG MEMORIAL DEMOCRATIC CLUB, INC. THE | — | 0062430 | 1949-08-03 | Revoked | NONE |
| ROWLAND TOMPKINS CORPORATION | — | 0040393 | 1949-05-10 | Withdrawn | NONE |
| ROYAL BAKE SHOPS, INCORPORATED | — | 0040415 | 1949-10-07 | Dissolved | |
| S. & F. REALTY CO., INCORPORATED | — | 0040719 | 1949-04-18 | Dissolved | |
| S. L. INDUSTRIES, INC. | — | 0040788 | 1949-02-10 | Revoked | |
| S.B.A. REALTY COMPANY, THE | — | 0040642 | 1949-01-03 | Dissolved | NONE |
| SALT-WATER SPORTS ASSOCIATION OF CONNECTICUT, BRIDGEPORT DIVISION, INCORPORATED, THE | — | 0059532 | 1949-10-06 | Revoked | |
| SARGENT COMMUNITY ASSOCIATION, INCORPORATED, THE | — | 0059554 | 1949-06-02 | Revoked | |
| SCHWARTZ PARKING, INC. | — | 0086826 | 1949-05-02 | Dissolved | |
| SHANNON REALTY CORPORATION, THE | — | 0042064 | 1949-02-09 | Revoked | |
| SHANNON-SHATTUCK POST #182, INCORPORATED, THE | — | 0059682 | 1949-09-07 | Active | GRANBY |
| SHELL USA, INC. | — | 0086986 | 1949-09-30 | Active | HOUSTON |
| SHEPPARD & MYERS, INCORPORATED | — | 0042194 | 1949-01-24 | Withdrawn | |
| SHERMAN PLAYERS, INCORPORATED, THE | — | 0059714 | 1949-08-18 | Active | SHERMAN |
| SHERMAN SENTINEL, INCORPORATED THE | — | 0100758 | 1949-02-09 | Dissolved | |
| SHORE LANDS ASSOCIATION, INCORPORATED, THE | — | 0059728 | 1949-12-05 | Active | Madison |
| SHORE LINE WASHED SAND AND STONE COMPANY, INCORPORATED | — | 0042328 | 1949-01-14 | Dissolved | |
| SIMPSON STUDIO & CAMERA SHOP OF NEW MILFORD, INCORPORATED, THE | — | 0042574 | 1949-12-29 | Revoked | |
| SIOUX HONEY ASSOCIATION, COOPERATIVE | — | 0042609 | 1949-11-07 | Active | SIOUX CITY |
| SIXTY-ONE MAIN STREET REALTY CORPORATION | — | 0042643 | 1949-07-07 | Revoked | |
| SOBABO ATHLETIC CLUB, INCORPORATED THE | — | 0059845 | 1949-01-31 | Revoked | |
| SOLSTAN MEAT CORPORATION THE | — | 0088392 | 1949-06-20 | Merged | NONE |
| SONS & DAUGHTERS OF NEVAS MUTUAL SOCIETY, INCORPORATED | — | 0059908 | 1949-10-26 | Revoked | |
| SONS OF ITALY CLUB OF BRISTOL, INCORPORATED, THE | — | 0059909 | 1949-07-26 | Revoked | |
| SOUTH POND FOUR SEASONS ASSOCIATION, INCORPORATED, THE | — | 0107803 | 1949-02-16 | Active | WEST SUFFIELD |
| SPEAR-NEWMAN, INCORPORATED | — | 0088274 | 1949-06-14 | Dissolved | NONE |
| SPLACO CORP. | — | 0089209 | 1949-11-10 | Dissolved | |
| ST. CASIMIR'S LITHUANIAN SOCIETY, INCORPORATED | — | 0051204 | 1949-04-05 | Active | POQUONOCK |
| STAFFORD SPRINGS CHAMBER OF COMMERCE, INCORPORATED, THE | — | 0060145 | 1949-06-10 | Revoked | |
| STAMP COLLECTOR'S CLUB OF HARTFORD, CONNECTICUT, INCORPORATED, THE | — | 0060217 | 1949-06-10 | Revoked | |
| STANDARD HOME UTILITIES, INCORPORATED | — | 0088317 | 1949-06-17 | Revoked | |
| STANLEY BRONZE AND METAL COMPANY, INCORPORATED | — | 0083260 | 1949-12-20 | Merged | |