| FL GULF COAST GUARDIANS CORP.Bradenton, FL · Active | Bradenton, FL | Nonprofit | Jul 1, 2025 | Active |
| BLACK DOG JUNK REMOVAL LLCBradenton, FL · Inactive | Bradenton, FL | LLC | Nov 14, 2024 | Inactive |
| EDINA TECHNOLOGIES LLCCape Coral, FL · Inactive | Cape Coral, FL | LLC | Aug 28, 2024 | Inactive |
| HAIL ESTIMATES LLCCape Coral, FL · Inactive | Cape Coral, FL | LLC | May 8, 2024 | Inactive |
| KEVRON, L.L.C.Clearwater, FL · Active | Clearwater, FL | LLC | Nov 21, 2003 | Active |
| 12 MEN, INC.Fort Meyers, FL · Active | Fort Meyers, FL | Nonprofit | May 9, 2024 | Active |
| KDBG GROUP, LLCFort Pierce, FL · Active | Fort Pierce, FL | LLC | Jun 9, 2022 | Active |
| KOB FTO SERVICES, LLCJupiter, FL · Active | Jupiter, FL | LLC | Jun 27, 2023 | Active |
| KEVIN O'BRIEN WELLNESS, LLC.Miami, FL · Active | Miami, FL | LLC | Feb 5, 2014 | Active |
| INFORMANCE TECH LLCMiami Beach, FL · Active | Miami Beach, FL | LLC | May 21, 2018 | Active |
| SCENIC LAND DESIGNS INC.Naples, FL · Active | Naples, FL | Corporation | Jul 13, 2022 | Active |
| OCEANWHEELS, LLCNaples, FL · Active | Naples, FL | LLC | Apr 21, 2022 | Active |
| ACCURATE REALTY & APPRAISAL SERVICES, INC.Naples, FL · Inactive | Naples, FL | Corporation | Aug 21, 2000 | Inactive |
| THE PROMINENT POUR LLCPalmetto, FL · Active | Palmetto, FL | LLC | Mar 8, 2023 | Active |
| MAKO FLOORING, INC.Port St. Lucie, FL · Active | Port St. Lucie, FL | Corporation | Aug 20, 2015 | Active |
| GOLD KEY HOME BUYERS LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | May 30, 2023 | Active |
| DETECTIT, LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | Jun 15, 2022 | Active |
| GEORGE C. CHAMBERS, INC.Tarpon Springs, FL · Active | Tarpon Springs, FL | Corporation | Feb 10, 2020 | Active |
| IVR TECHNOLOGY GROUP, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 19, 2018 | Active |
| FRANK O'BRIEN FLORIDA, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Feb 1, 1979 | Inactive |
| O'BRIEN PROMOTIONS & PRODUCTIONS LTDVenice, FL · Inactive | Venice, FL | Partnership | Mar 28, 2005 | Inactive |
| ENGAGE SOFTWARE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 10, 2010 | Inactive |
| CENTER FOR HEALTH VALUE INNOVATION, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Jan 13, 2012 | Inactive |
| INVOICE CLOUD, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 20, 2014 | Active |
| PAYMENT SERVICE NETWORK, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jul 14, 2017 | Active |
| ECHOGRAVITY INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 25, 2019 | Inactive |
| GREYSTONE CONSTRUCTION COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Apr 19, 2023 | Active |
| PIECE OF MIND MARKETING INC.Bradenton, FL · Active | Bradenton, FL | Corporation | Aug 21, 2026 | Active |
| ACTS TESTING LABS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 6, 1999 | Inactive |
| WORTH PROFESSIONAL PARK, INC.Lake Worth, FL · Inactive | Lake Worth, FL | Corporation | Feb 17, 1983 | Inactive |
| KEVIN O'BRIEN POOLS & SPAS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Aug 12, 1983 | Inactive |
| CITRO-O'BRIEN CO. INC.Safety Harbor, FL · Inactive | Safety Harbor, FL | Corporation | Jun 24, 1985 | Inactive |
| VANGUARD INVESTMENT PROPERTIES DEVELOPMENT CORPORATIONCasselberry, FL · Inactive | Casselberry, FL | Corporation | Jan 30, 1986 | Inactive |
| WEST ORLANDO PEDIATRICS, PAOcoee, FL · Active | Ocoee, FL | Corporation | Nov 21, 1988 | Active |
| RELIABLE OPHTHALMIC INSTRUMENT SERVICE INC.Riviera Beach, FL · Inactive | Riviera Beach, FL | Corporation | Jun 12, 1989 | Inactive |
| KEVIN O'BRIEN CONSTRUCTION, L.L.C.Crawfordville, FL · Inactive | Crawfordville, FL | LLC | Aug 17, 2005 | Inactive |
| ESCADA ASSOCIATES 5, LLCNaples, FL · Inactive | Naples, FL | LLC | Jun 20, 2006 | Inactive |
| ESCADA ASSOCIATES 17, LLCNaples, FL · Inactive | Naples, FL | LLC | Jun 20, 2006 | Inactive |
| RKL TECHNICAL SOLUTIONS LLCTierra Verde, FL · Inactive | Tierra Verde, FL | LLC | Sep 22, 2006 | Inactive |
| O'BRIEN BUSINESS SERVICES, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Aug 24, 2007 | Inactive |
| DNK CAPITAL, LLCNaples, FL · Inactive | Naples, FL | LLC | Sep 15, 2010 | Inactive |
| JOURNEY BOX, LLCLakeland, FL · Inactive | Lakeland, FL | LLC | Jan 12, 2012 | Inactive |
| CURBSIDE TRASH AND RECYCLE VALET LLCRoyal Palm Beach, FL · Inactive | Royal Palm Beach, FL | LLC | Oct 18, 2012 | Inactive |
| SHPARKEM PARK PRODUCTIONS, LLCWeston, FL · Inactive | Weston, FL | LLC | May 20, 2013 | Inactive |
| HORIZONS WEST A6, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 17, 2013 | Inactive |
| HORIZONS WEST 405, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 17, 2013 | Active |
| SEA GROUPS YACHTING LLCFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | LLC | Sep 23, 2014 | Inactive |
| PC RE INVESTMENTS GROUP, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Oct 21, 2014 | Inactive |
| PAYMENTS TECHNOLOGY VENTURES, LLCRiviera Beach, FL · Inactive | Riviera Beach, FL | LLC | Oct 15, 2015 | Inactive |
| BODHI CENTER MIAMI LLCMiami, FL · Inactive | Miami, FL | LLC | May 25, 2016 | Inactive |