| CONSOLIDATED MORTGAGE, LTD.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Nov 25, 1974 | Forfeited |
| J & F DEVELOPMENT CORP.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 13, 1974 | Forfeited |
| LAKERIDGE-BERKSHIRE, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Dec 5, 1974 | Forfeited |
| LONGWOOD MANAGEMENT COMPANY, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 16, 1976 | Forfeited |
| WINDSOR LAND DEVELOPMENT CORP.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jul 11, 1974 | Forfeited |
| GAMPEL CONSTRUCTION CO., INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Oct 10, 1980 | Forfeited |
| CORNERSTONE PROPERTIES, INC.Farmington, CT · Active | Farmington, CT | Corporation | Dec 28, 1983 | Active |
| RIDGESTONE MANAGEMENT, INC.Farmington, CT · Dissolved | Farmington, CT | Corporation | Jan 31, 1989 | Dissolved |
| SAMOVAR HOLDINGS, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Aug 24, 1994 | Dissolved |
| 40 DALE RD. LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Dec 22, 1993 | Dissolved |
| CENTENNIAL MALL LIMITED PARTNERSHIPFarmington, CT · Forfeited | Farmington, CT | Partnership | Dec 18, 1984 | Forfeited |
| ECONN PLAZA ASSOCIATES LIMITED PARTNERSHIPWest Hartford, CT · Cancelled | West Hartford, CT | Partnership | Jun 10, 1980 | Cancelled |
| CORNERSTONE K/F ASSOCIATES LIMITED PARTNERSHIPFarmington, CT · Cancelled | Farmington, CT | Partnership | Sep 17, 1985 | Cancelled |
| BIDWELL VILLAGE, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Apr 21, 1998 | Dissolved |
| CP LAWRENCE, LLCFarmington, CT · Merged | Farmington, CT | LLC | Dec 10, 2001 | Merged |
| ALBEMARLE LAWRENCE, LLCFarmington, CT · Merged | Farmington, CT | LLC | Dec 10, 2001 | Merged |
| CAPWELL LAWRENCE, LLCFarmington, CT · Active | Farmington, CT | LLC | Dec 10, 2001 | Active |
| CP CLINTON, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Mar 14, 2002 | Dissolved |
| CORNERSTONE NORTH, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Oct 18, 2002 | Dissolved |
| ECONN PLAZA ASSOCIATES, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Jun 25, 2003 | Dissolved |
| CORNERSTONE MANSFIELD, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Apr 13, 2005 | Dissolved |
| CP BROOKLYN, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Jun 7, 2005 | Dissolved |
| CORNERSTONE VERNON, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Aug 23, 2005 | Dissolved |
| CPI HARTFORD, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Dec 1, 2005 | Dissolved |
| FOUR FISCH, LLCFarmington, CT · Active | Farmington, CT | LLC | Mar 8, 2006 | Active |
| SOUTHINGTON ROUTE 10 MANAGER, INC.Hartford, CT · Active | Hartford, CT | Corporation | Mar 24, 2006 | Active |
| ALDIN CORNERSTONE, LLCFarmington, CT · Active | Farmington, CT | LLC | Dec 3, 2013 | Active |
| MH INVESTORS, LLCFarmington, CT · Dissolved | Farmington, CT | LLC | Aug 3, 2016 | Dissolved |