| CCC FINANCING I TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Jan 8, 2002 | Active |
| CCC RETIREMENT TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Feb 20, 2003 | Active |
| SNH ALT LEASED PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Feb 27, 2003 | Active |
| SNH/LTA PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Aug 31, 2006 | Active |
| SNH WELL PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Oct 9, 2007 | Active |
| SNH MEDICAL OFFICE PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Dec 17, 2008 | Active |
| GOV GRAND OAK PROPERTIES TRUSTLocation not reported, FL · Inactive | Location not reported, FL | Other | Oct 18, 2010 | Inactive |
| SNH SE PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Jun 22, 2011 | Active |
| HPT IHG-2 PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Jan 17, 2012 | Active |
| SIR PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Feb 23, 2012 | Active |
| GPT PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Mar 13, 2014 | Active |
| SVC HYB LEASE HOLDINGS TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Feb 12, 2024 | Active |
| HPTCY PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Jan 27, 1998 | Active |
| SPTMRT PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | Jan 27, 1999 | Active |
| FSQ, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 19, 2002 | Active |
| HPT TRS IHG-1, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 26, 2003 | Inactive |
| HPT TRS SPES II, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 13, 2004 | Active |
| HPT TRS IHG-3, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 15, 2005 | Inactive |
| SNH SE TENANT TRS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 19, 2011 | Active |
| FVE MANAGERS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jul 19, 2011 | Active |
| HPT TRS IHG-2, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 20, 2012 | Active |
| SONESTA INTERNATIONAL HOTELS CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Corporation | Feb 28, 2012 | Active |
| CAMBRIDGE TRS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 14, 2012 | Active |
| HPT TRS WYN, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 10, 2012 | Active |
| HPT CY TRS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 20, 2012 | Active |
| RMR LICENSES INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 29, 2016 | Active |
| RLABS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 25, 2019 | Active |
| SNH TRS INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 2, 2022 | Active |
| SONESTA COCONUT GROVE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 30, 1984 | Inactive |
| CCFL SENIOR LIVING LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | May 24, 2000 | Inactive |
| FIVE STAR QUALITY CARE-FL, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Feb 8, 2002 | Inactive |
| SVCN 1 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 25, 2005 | Active |
| SVCN 2 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 1, 2005 | Active |
| SVCN 3 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 20, 2006 | Active |
| SNH FM FINANCING LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 2, 2009 | Active |
| FIVE STAR CORAL SPRINGS LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jul 17, 2009 | Inactive |
| FIVE STAR CORAL OAKS LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jul 17, 2009 | Inactive |
| SNH SE HOLLY HILL TENANT LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 19, 2011 | Active |
| SNH SE HOLLY HILL LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 19, 2011 | Active |
| SNH SE BARRINGTON BOYNTON TENANT LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 19, 2011 | Active |
| SNH SE BARRINGTON BOYNTON LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 19, 2011 | Active |
| SNH PLFL TENANT LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 7, 2011 | Active |
| SNH BRFL TENANT LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 7, 2011 | Active |
| SNH PLFL PROPERTIES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Oct 25, 2011 | Active |
| SNH BRFL PROPERTIES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Oct 25, 2011 | Active |
| 112 AVE MIAMI LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 20, 2012 | Active |
| SVCN 4 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 27, 2013 | Active |
| MOUNTAIN ORLANDO LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Feb 13, 2015 | Active |
| MOUNTAIN FORT MYERS LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Oct 16, 2015 | Active |
| SVCN 5 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Nov 16, 2017 | Active |