| HALL-BROOKE BEHAVIORAL HEALTH SERVICES, INC.Westport, CT · Merged | Westport, CT | Corporation | Dec 6, 1965 | Merged |
| SPA, INC.Fairfield, CT · Active | Fairfield, CT | Corporation | Jul 31, 1985 | Active |
| RICHTER REAL ESTATE, INC.Fairfield, CT · Active | Fairfield, CT | Corporation | May 20, 1986 | Active |
| KNOLLWOOD VENTURE ASSOCIATES, LIMITED LIABILITY COMPANYFairfield, CT · Dissolved | Fairfield, CT | LLC | Apr 29, 1994 | Dissolved |
| PRPSA VENTURES, L.L.C.Fairfield, CT · Active | Fairfield, CT | LLC | Dec 12, 1995 | Active |
| HUBBARD VENTURES, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Dec 11, 1995 | Dissolved |
| BRIARDALE VENTURES, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Dec 11, 1995 | Dissolved |
| 49 KINGS HIGHWAY ASSOCIATES OF WESTPORT, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Sep 10, 1996 | Dissolved |
| EPIC RELOCATION SERVICES, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Mar 17, 1997 | Dissolved |
| WARNER VENTURES OF FAIRFIELD, LLCFairfield, CT · Active | Fairfield, CT | LLC | Jun 25, 1997 | Active |
| R & R PROPERTIES OF FAIRFIELD, LLCFairfield, CT · Active | Fairfield, CT | LLC | Jan 7, 2000 | Active |
| STILES JUDSON HOUSE ASSOCIATES, LLCFairfield, CT · Forfeited | Fairfield, CT | LLC | Sep 25, 2000 | Forfeited |
| TURNKEY FINANCIAL SERVICES, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Apr 25, 2001 | Dissolved |
| ELM STREET VENTURES OF MONROE, LLCFairfield, CT · Active | Fairfield, CT | LLC | Sep 27, 2002 | Active |
| 4185 BRT, LLCFairfield, CT · Active | Fairfield, CT | LLC | Aug 27, 2003 | Active |
| 101 OXFORD ROAD, LLCFairfield, CT · Active | Fairfield, CT | LLC | Mar 12, 2004 | Active |
| THE VALIANTIS GROUP, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Jun 30, 2006 | Dissolved |
| 1863 POST ROAD, LLCFairfield, CT · Active | Fairfield, CT | LLC | May 17, 2007 | Active |
| FAIRFIELD GATEWAY, LLCFairfield, CT · Forfeited | Fairfield, CT | LLC | Jul 30, 2010 | Forfeited |
| 47 SASAPEQUAN ROAD, LLCFairfield, CT · Dissolved | Fairfield, CT | LLC | Feb 26, 2016 | Dissolved |
| FAIRFIELD MEDICAL, LLCFairfield, CT · Active | Fairfield, CT | LLC | Feb 28, 2017 | Active |
| RESTINVEST LLCFairfield, CT · Active | Fairfield, CT | LLC | Aug 3, 2018 | Active |
| 208 WILSON, LLCFairfield, CT · Active | Fairfield, CT | LLC | Aug 9, 2018 | Active |
| 112 ELEANOR, LLCFairfield, CT · Forfeited | Fairfield, CT | LLC | Aug 9, 2018 | Forfeited |
| 303 WAKEMAN LLCFairfield, CT · Forfeited | Fairfield, CT | LLC | Sep 26, 2019 | Forfeited |
| Lot A Fresenius LLCFairfield, CT · Active | Fairfield, CT | LLC | Apr 11, 2022 | Active |
| 2465 Black Rock LLCFairfield, CT · Active | Fairfield, CT | LLC | Sep 23, 2022 | Active |
| Lot B Fresenius LLCFairfield, CT · Active | Fairfield, CT | LLC | Apr 12, 2023 | Active |
| Buddy Willis LLCFairfield, CT · Active | Fairfield, CT | LLC | Sep 18, 2023 | Active |
| 76 Rugby Road LLCFairfield, CT · Active | Fairfield, CT | LLC | Mar 18, 2025 | Active |
| Stillson Commons LLCFairfield, CT · Active | Fairfield, CT | LLC | Sep 23, 2026 | Active |