| BRENNAN MECHANICAL LLCMiddleburg, FL · Inactive | Middleburg, FL | LLC | Mar 14, 2023 | Inactive |
| VETERAN ENFORCERS MOTORCYCLE ASSOCIATION ST JOHNS CHAPTER INCSaint Augustine, FL · Active | Saint Augustine, FL | Nonprofit | Jul 26, 2022 | Active |
| SHAW ELECTRONICS INCORPORATEDMiami, FL · Inactive | Miami, FL | Corporation | Jan 22, 1965 | Inactive |
| GREATER MIAMI RESEARCH CORPORATIONSouth Miami, FL · Inactive | South Miami, FL | Corporation | Aug 25, 1965 | Inactive |
| ROSCOMMON AND CLARE CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Sep 28, 1967 | Inactive |
| XEROMATIC CORPORATION OF FLORIDALocation not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 20, 1971 | Inactive |
| FT. LAUDERDALE COPY CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Oct 5, 1973 | Inactive |
| HUNTINGTON GRILL, INC.Miami, FL · Inactive | Miami, FL | Corporation | Oct 17, 1973 | Inactive |
| ESA TRADING CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Aug 27, 1975 | Inactive |
| CITICORP RETAIL SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 6, 1978 | Inactive |
| PDB CONSULTANTS, INC.Estero, FL · Inactive | Estero, FL | Corporation | Dec 28, 2007 | Inactive |
| BRENNAN & ASSOCIATES RISK MANAGEMENT AND INSURANCE SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 24, 2013 | Inactive |
| FLORIDA TYPE, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | May 13, 1987 | Inactive |
| T M CAPITAL, LLCSarasota, FL · Inactive | Sarasota, FL | LLC | Feb 7, 2006 | Inactive |
| MECHANICAL SOLUTIONS LLCMiddleburg, FL · Inactive | Middleburg, FL | LLC | Nov 17, 2006 | Inactive |
| AUDIO VISUAL DESIGN SERVICES, LLCBoca Raton, FL · Inactive | Boca Raton, FL | LLC | Jul 27, 2009 | Inactive |
| IMPRESSIVE IMPROVEMENTS L.L.C.Altoona, FL · Active | Altoona, FL | LLC | Dec 15, 2020 | Active |
| BRENNAN ELECTRIC LLCAltoona, FL · Active | Altoona, FL | LLC | Apr 14, 2026 | Active |
| BRENNAN HOLDINGS, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Nov 2, 1989 | Inactive |
| AMB SECURITY SOLUTIONS INTERNATIONAL, INC.Lauderdale-by-the-Sea, FL · Active | Lauderdale-by-the-Sea, FL | Corporation | Jul 27, 2004 | Active |
| NAPLES LIMOUSINE SERVICE, INC.Naples, FL · Inactive | Naples, FL | Corporation | Sep 23, 2005 | Inactive |
| VITALNOW HEALTH CORP.Bradenton, FL · Inactive | Bradenton, FL | Corporation | Apr 20, 2012 | Inactive |
| CARD-FLO #3, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 11, 1989 | Inactive |
| CARD-FLO #4, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 12, 1989 | Inactive |
| UNEQ, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 16, 1991 | Inactive |
| GOLDEN GLADES APTS., INC.Miami, FL · Inactive | Miami, FL | Corporation | Dec 19, 1996 | Inactive |