| ESSEX HOUSE CONDOMINIUM CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 6, 1986 | Active |
| MARRIOTT INTERNATIONAL DESIGN & CONSTRUCTION SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 27, 1994 | Active |
| MARRIOTT INTERNATIONAL ADMINISTRATIVE SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 15, 1996 | Active |
| CORPSOFT, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Dec 12, 1997 | Withdrawn |
| RESIDENCE INN BY MARRIOTT, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Mar 26, 2007 | Active |
| FAIRFIELD FMC, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Mar 26, 2007 | Active |
| SPRINGHILL SMC, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jan 7, 2008 | Active |
| MARRIOTT INTERNATIONAL CONSTRUCTION SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 16, 2010 | Active |
| PREFERRED GUEST, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 17, 2014 | Active |
| STARWOOD FLIGHT OPERATIONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 17, 2014 | Active |
| SHERATON OVERSEAS MANAGEMENT CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| SII REAL ESTATE HOLDINGS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| STARWOOD (M) HOTELS HOLDING CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| STARWOOD (M) INTERNATIONAL INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| HOTEL INVESTORS OF NEBRASKA, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| W HOTEL MANAGEMENT, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| SPICE MARKET HOLDINGS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 11, 2015 | Active |
| STARWOOD HOTELS & RESORTS WORLDWIDE, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Nov 9, 2016 | Active |
| COURTYARD MANAGEMENT LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jan 26, 2023 | Active |
| MARRIOTT HOTEL SERVICES, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Jan 26, 2023 | Active |
| Sheraton Operating LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Feb 14, 2023 | Active |