| ROBERT BRENNAN CARPENTRY, LLCNaples, FL · Inactive | Naples, FL | LLC | Jan 20, 2004 | Inactive |
| BRENNAN CUSTOM HOMES, LLCPensacola, FL · Active | Pensacola, FL | LLC | May 13, 2022 | Active |
| 16400 FRANKLIN AVE, LLCPort Charlotte, FL · Active | Port Charlotte, FL | LLC | Aug 30, 2024 | Active |
| B2B2 VENTURES LLCSatellite Beach, FL · Inactive | Satellite Beach, FL | LLC | Aug 15, 2025 | Inactive |
| MORE ACTION FOR REGENERATION INC.St. Petersburg, FL · Active | St. Petersburg, FL | Nonprofit | Aug 1, 2022 | Active |
| VICTORIA REALTY CO INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 16, 1955 | Inactive |
| BRENNAN -JOSEPH H- INCFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 5, 1962 | Inactive |
| COMPLEX ONE OF INDIAN HARBOUR BEACH INDUSTRIAL PARK, INC.Kissimmee, FL · Active | Kissimmee, FL | Nonprofit | Mar 16, 1979 | Active |
| NATIONAL SEAFOOD DISTRIBUTORS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 14, 1979 | Inactive |
| TREVCOR, INC.Palm Beach Gardens, FL · Inactive | Palm Beach Gardens, FL | Corporation | Sep 30, 1986 | Inactive |
| CRAZY BUDDAH ENTERPRISES, LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Dec 18, 2003 | Inactive |
| AVYCLE L.L.C.Weston, FL · Inactive | Weston, FL | LLC | Aug 14, 2008 | Inactive |
| POWER CORE HOLDINGS, LLCFort Myers, FL · Inactive | Fort Myers, FL | LLC | Dec 20, 2010 | Inactive |
| ROBERT BRENNAN LLCIndian Harbour Beach, FL · Inactive | Indian Harbour Beach, FL | LLC | Oct 6, 2011 | Inactive |
| A2Z CELL SITE SOLUTIONS LLCMaitland, FL · Inactive | Maitland, FL | LLC | May 2, 2013 | Inactive |
| ROBERT BRENNAN, MD LLCIndian Harbour Beach, FL · Inactive | Indian Harbour Beach, FL | LLC | Nov 21, 2016 | Inactive |
| BTHM, LLCRockledge, FL · Inactive | Rockledge, FL | LLC | Oct 3, 2017 | Inactive |
| MC GRANT PROPERTIES, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 4, 2022 | Active |
| CAPSTONE CAPITAL PARTNERS LLCPensacola Beach, FL · Inactive | Pensacola Beach, FL | LLC | Jun 23, 2023 | Inactive |
| RBRENNAN IT L.L.C.Pensacola, FL · Active | Pensacola, FL | LLC | Feb 3, 2026 | Active |
| MARION GRANT COUNSELING AND WELLNESS LLCWinter Park, FL · Active | Winter Park, FL | LLC | Jul 27, 2026 | Active |
| 200 HARVARD CORP.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Nov 20, 1989 | Inactive |
| B & H WOODWORKS, INC.Lake City, FL · Inactive | Lake City, FL | Corporation | Aug 14, 1984 | Inactive |
| AIRPORT GLADES, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 17, 2026 | Active |
| SARASOTA SUNSET KIWANIS CLUB, INC.Orlando, FL · Inactive | Orlando, FL | Nonprofit | Sep 18, 1987 | Inactive |
| VAN HALEN INCCoral Springs, FL · Inactive | Coral Springs, FL | Corporation | Jun 23, 2000 | Inactive |
| BOAT TRANSPORT AMERICA INC.Kissimmee, FL · Inactive | Kissimmee, FL | Corporation | May 20, 2003 | Inactive |
| VILLAGE CARPENTRY AND PAINTING, INC.Celebration, FL · Inactive | Celebration, FL | Corporation | Sep 18, 2003 | Inactive |
| BRENNAN DELIVERY, INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Oct 14, 2003 | Inactive |
| B & T COMPLETE FLOORING INCSorrento, FL · Inactive | Sorrento, FL | Corporation | Oct 21, 2004 | Inactive |
| GALAXY SHOPPERS, INC.Palm Coast, FL · Inactive | Palm Coast, FL | Corporation | Oct 20, 2006 | Inactive |
| SALON SEBASTIAN INCBoynton Beach, FL · Inactive | Boynton Beach, FL | Corporation | May 23, 2008 | Inactive |
| AGENTHR CONTRACTING SERVICES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 22, 2011 | Inactive |
| JCR FLORIDA HOLDING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 18, 1989 | Inactive |
| SOUTHEAST INTERIOR SYSTEMS, INC.Indian Harbor Beach, FL · Inactive | Indian Harbor Beach, FL | Corporation | May 8, 1996 | Inactive |