| COLLINS DEVELOPMENT CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Nov 29, 1973 | Forfeited |
| STONEGATE ASSOCIATES, INC.Old Greenwich, CT · Dissolved | Old Greenwich, CT | Corporation | Dec 15, 1986 | Dissolved |
| WATERSIDE WAREHOUSE ASSOCIATES, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Apr 16, 1987 | Forfeited |
| STRAND, LTD. THELocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Sep 29, 1987 | Forfeited |
| COLLINS COLONNADE LIMITED PARTNERSHIPOld Greenwich, CT · Active | Old Greenwich, CT | Partnership | Mar 4, 1986 | Active |
| THE COLONNADE TWO AT OLD GREENWICH, LIMITED PARTNERSHIPStamford, CT · Cancelled | Stamford, CT | Partnership | Oct 2, 1985 | Cancelled |
| COLLINS CONSTRUCTION, L.L.C.Old Greenwich, CT · Dissolved | Old Greenwich, CT | LLC | Dec 30, 1994 | Dissolved |
| COLLINS PROPERTIES, L.L.C.Old Greenwich, CT · Active | Old Greenwich, CT | LLC | Dec 30, 1994 | Active |
| COLLINS NEW COLONNADE, L.L.C.Stamford, CT · Forfeited | Stamford, CT | LLC | Dec 30, 1994 | Forfeited |
| COLLINS BROOKSIDE ELM, L.L.C.Stamford, CT · Dissolved | Stamford, CT | LLC | Dec 30, 1994 | Dissolved |
| COLLINS MAGEE, LLCStamford, CT · Dissolved | Stamford, CT | LLC | Feb 21, 1997 | Dissolved |
| GRENCOM ASSOCIATESOld Greenwich, CT · Active | Old Greenwich, CT | Partnership | Aug 2, 1976 | Active |
| COLLINS NORFOLK, LLCOld Greenwich, CT · Dissolved | Old Greenwich, CT | LLC | Jun 2, 1997 | Dissolved |
| COLLINS GABLES HOLDINGS LLCOld Greenwich, CT · Active | Old Greenwich, CT | LLC | Feb 9, 1998 | Active |
| COLLINS EMPLOYEES, LLCOld Greenwich, CT · Active | Old Greenwich, CT | LLC | Feb 11, 1998 | Active |
| NELL'S ROCK ASSOCIATES LIMITED PARTNERSHIPStamford, CT · Cancelled | Stamford, CT | Partnership | Jan 16, 1987 | Cancelled |
| COLLINS YONKERS, LLCOld Greenwich, CT · Dissolved | Old Greenwich, CT | LLC | Nov 25, 1998 | Dissolved |
| COLLINS BOUSH, LLCOld Greenwich, CT · Dissolved | Old Greenwich, CT | LLC | Apr 24, 2001 | Dissolved |
| COLLINS FOREST MANAGER CORP.Old Greenwich, CT · Active | Old Greenwich, CT | Corporation | Sep 3, 2004 | Active |
| A COLLINS HOLDINGS LLCOld Greenwich, CT · Revoked | Old Greenwich, CT | LLC | Sep 11, 2018 | Revoked |
| COLLINS ROOFING SUPPLY LLCWest Hartford, CT · Forfeited | West Hartford, CT | LLC | Oct 12, 2018 | Forfeited |
| GRAMERCY PARK ASSOCIATION, INC.Fairfield, CT · Active | Fairfield, CT | Corporation | Sep 9, 2020 | Active |
| COLLINS RIDGEWOOD EMPLOYEES LLCOld Greenwich, CT · Active | Old Greenwich, CT | LLC | Dec 14, 2021 | Active |
| COLLINS CAPITAL PARTNERS LLCOld Greenwich, CT · Active | Old Greenwich, CT | LLC | Jul 29, 2022 | Active |