| FREEDOM QUEST USA INCGulf Breeze, FL · Active | Gulf Breeze, FL | Nonprofit | Feb 3, 2022 | Active |
| THE O'BRIEN COMPANIES LLCNaples, FL · Inactive | Naples, FL | LLC | Jan 14, 2011 | Inactive |
| HOMESHIELD ROOFING FL LLCOrlando, FL · Active | Orlando, FL | LLC | Dec 16, 2022 | Active |
| O'BRIEN SECURITY, INC.Pembroke Pines, FL · Active | Pembroke Pines, FL | Corporation | Feb 2, 2004 | Active |
| O'BRIEN HOMES, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Corporation | Dec 28, 1979 | Inactive |
| PHOENIX MOTIVATIONAL SOCIETY INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Mar 24, 1978 | Inactive |
| NAUTILUS CONDOMINIUM, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Aug 11, 1978 | Active |
| ADVANCED BUSINESS ENGINEERING, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 31, 2015 | Active |
| PTPC COMPANY, LLCCape Coral, FL · Inactive | Cape Coral, FL | LLC | Oct 27, 2003 | Inactive |
| MOCKING BIRD PUBLIC SAFETY, LLCDavie, FL · Inactive | Davie, FL | LLC | Apr 14, 2015 | Inactive |
| DIVEWELL LLCNaples, FL · Inactive | Naples, FL | LLC | Dec 10, 2025 | Inactive |
| SB FLORIDA HOLDINGS LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Feb 4, 2013 | Inactive |
| PINE RIVER CAPITAL MANAGEMENT LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 16, 2014 | Inactive |
| MSLA LAUDERDALE OPERATING, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 12, 2024 | Active |
| SOUTHEASTERN COMMUNITY BLOOD SERVICES ORGANIZATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Feb 17, 2009 | Inactive |
| EMERALD COAST HOUSING CORPORATIONLocation not reported, FL · Active | Location not reported, FL | Nonprofit | Jun 24, 1991 | Active |
| JEM PRODUCTIONS, INC.Oviedo, FL · Inactive | Oviedo, FL | Corporation | Oct 18, 2000 | Inactive |
| ISMPI, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Corporation | Mar 5, 2010 | Inactive |
| SIVORI CATERING, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 6, 1987 | Active |
| LOST CAUSE, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Corporation | Jul 10, 1995 | Inactive |
| BOSS RADIO GROUP, INC.Panama City, FL · Inactive | Panama City, FL | Corporation | Feb 23, 1996 | Inactive |
| TIM & JENS O'BRIEN INC.Bradenton, FL · Inactive | Bradenton, FL | Corporation | May 28, 1999 | Inactive |
| ICE DREAMS NEW ORLEANS STYLE SHAVED ICE, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Sep 23, 1999 | Inactive |
| SANDY RIVER, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Sep 26, 1990 | Inactive |
| O'BRIEN DIVING ENTERPRISES, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 5, 1991 | Inactive |