| O'BRIEN MEDIA MANAGEMENT, LLCHomestead, FL · Active | Homestead, FL | LLC | May 22, 2024 | Active |
| CORAL KEY MOONRISE LLCLighthouse Point, FL · Active | Lighthouse Point, FL | LLC | Oct 24, 2022 | Active |
| THOMAS M. O'BRIEN FAMILY FOUNDATION, INC.Naples, FL · Active | Naples, FL | Nonprofit | Jun 5, 2024 | Active |
| TMO CORPORATE STRATEGIES, LLCNaples, FL · Active | Naples, FL | LLC | Feb 25, 2020 | Active |
| SOUTHERN HERITAGE DISTILLERS INCMiami, FL · Inactive | Miami, FL | Corporation | Jan 29, 1973 | Inactive |
| FARQUHAR COMPANYFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 26, 1975 | Inactive |
| C & D FRUIT AND VEGETABLE CO., INC.Bradenton, FL · Inactive | Bradenton, FL | Corporation | Jun 29, 1978 | Inactive |
| TMO-BIG BORE SUPPLY, INC.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Jul 15, 1981 | Inactive |
| HPTSHC PROPERTIES TRUSTLocation not reported, FL · Inactive | Location not reported, FL | Other | Mar 19, 1998 | Inactive |
| HPT CW II PROPERTIES TRUSTLocation not reported, FL · Active | Location not reported, FL | Other | May 26, 1998 | Active |
| HPT HSD PROPERTIES TRUSTLocation not reported, FL · Inactive | Location not reported, FL | Other | Feb 22, 1999 | Inactive |
| GOLD DESIGN, INC.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Sep 18, 1981 | Inactive |
| R.U.P. LIQUORS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Mar 29, 1982 | Inactive |
| HPTCY CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 20, 1996 | Inactive |
| O'BRIEN FAMILY FARMS, LLCBradenton, FL · Inactive | Bradenton, FL | LLC | Nov 1, 2010 | Inactive |
| GLOBAL MEDIA MANAGEMENT LLCMiami, FL · Inactive | Miami, FL | LLC | Oct 4, 2021 | Inactive |
| GSIC, LLCWest Palm Beach, FL · Active | West Palm Beach, FL | LLC | Nov 12, 2025 | Active |
| CORAL BAY MANAGEMENT, INC.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Nov 22, 1989 | Inactive |
| TCA PSC GP LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | May 8, 2008 | Inactive |
| CORAL SECURITY SERVICES, INC.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Jun 9, 2000 | Inactive |
| COAST INTERIM BANKBradenton, FL · Inactive | Bradenton, FL | Corporation | Apr 15, 2003 | Inactive |
| THOMAS M. O'BRIEN, P.A.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Aug 7, 2003 | Inactive |
| KADANT WEB SYSTEMS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 8, 1991 | Inactive |
| ZEDTEC COMBUSTION SYSTEMS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 1, 1995 | Inactive |