| KEY AMERICAN REALTY AND MANAGEMENT CORPORATION, INC.Miami, FL · Inactive | Miami, FL | Corporation | Dec 31, 1979 | Inactive |
| CORNERSTONE SAILBOAT COVE, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Feb 17, 2000 | Inactive |
| SIM HOLDINGS II, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Sep 25, 2000 | Inactive |
| SIM DEVELOPMENT, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Sep 25, 2000 | Inactive |
| CORNERSTONE SAN MARINO II, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Sep 29, 2000 | Inactive |
| ALLIANCE/KLEWIN CONSTRUCTION GROUP, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Jul 11, 2001 | Inactive |
| 3 SIDONIA, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Oct 15, 2004 | Inactive |
| TRUENORTH SANTILLANE, LLCHollywood, FL · Inactive | Hollywood, FL | LLC | Aug 15, 2005 | Inactive |
| LIBERTY MORTGAGE XVI, LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Oct 7, 2005 | Inactive |
| SIM - SIDONIA/SANTILLANE, L.L.C.Hollywood, FL · Inactive | Hollywood, FL | LLC | Jun 15, 2007 | Inactive |
| SIM FAMILY HOLDINGS II, L.L.C.Hollywood, FL · Inactive | Hollywood, FL | LLC | Jun 16, 2010 | Inactive |
| INTEGRITY RESIDENTIAL GROUP, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Oct 18, 2012 | Inactive |
| MA INVESTMENT BOCA, LLCAventura, FL · Inactive | Aventura, FL | LLC | May 7, 2019 | Inactive |
| AVERY MELBOURNE, LLCAventura, FL · Inactive | Aventura, FL | LLC | Feb 9, 2022 | Inactive |
| AVERY DOWNTOWN, LLCHialeah, FL · Inactive | Hialeah, FL | LLC | Feb 22, 2022 | Inactive |
| CORNERSTONE VILLA CAPRI, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Jul 12, 1999 | Inactive |
| CORNERSTONE LOGAN'S POINTE II, L.L.C.Hollywood, FL · Inactive | Hollywood, FL | LLC | Aug 5, 1999 | Inactive |
| SIM SENECA LAKES, L.L.C.Coral Gables, FL · Inactive | Coral Gables, FL | LLC | Nov 23, 1999 | Inactive |
| ELK PARK HOLDINGS, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Aug 4, 2016 | Inactive |
| MG SHADOW MOUNTAIN, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Aug 10, 2016 | Inactive |
| FEDERAL GUARDIAN SERVICES, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jun 21, 2019 | Inactive |
| GOLD KEY VALET, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jun 21, 2019 | Inactive |
| RELATED WEST COAST, INC.Miami, FL · Inactive | Miami, FL | Corporation | Apr 29, 1986 | Inactive |
| MARINER'S WAY COMMONS, INC.Miami, FL · Inactive | Miami, FL | Nonprofit | Apr 6, 1987 | Inactive |
| SIM INTERESTS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Feb 27, 2002 | Inactive |
| VISTA TRACE, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Dec 10, 2004 | Inactive |
| CORNERSTONE INTERESTS,INC.Hollywood, FL · Inactive | Hollywood, FL | Corporation | Mar 15, 2005 | Inactive |
| CORNERSTONE OPERATIONS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Mar 25, 2005 | Inactive |
| CGD HOLDINGS I, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 15, 2005 | Inactive |
| CGD HOLDINGS II, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 15, 2005 | Inactive |
| TCG ACQUISITIONS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 18, 2005 | Inactive |
| CORNERSTONE HOLLYWOOD TOWERS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 22, 2005 | Inactive |
| CORNERSTONE HOLLYWOOD LOFTS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 22, 2005 | Inactive |
| CORNERSTONE HOLLYWOOD TOWN HOMES, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 22, 2005 | Inactive |
| CORNERSTONE BEACON SQUARE, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 28, 2005 | Inactive |
| CORNERSTONE 27, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 4, 2005 | Inactive |
| CORNERSTONE GROUP III, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| CORNERSTONE GROUP IV, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| CORNERSTONE GROUP V, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| CORNERSTONE GROUP I, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| CORNERSTONE GROUP VI, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| CORNERSTONE GROUP II, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 24, 2005 | Inactive |
| PHASE II TOWNHOMES, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 2, 2005 | Inactive |
| PHASE II LOFTS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 2, 2005 | Inactive |
| PHASE III CONDOMINIUMS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 2, 2005 | Inactive |
| HOLLYWOOD DIXIE PB, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 9, 2005 | Inactive |
| CGD HOLDINGS III, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 16, 2005 | Inactive |
| CGD HOLDINGS IV, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 16, 2005 | Inactive |
| CORNERSTONE DAYTONA, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jul 15, 2005 | Inactive |
| GRANDE PRESERVE AT KANAPAHA, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jul 18, 2005 | Inactive |