| MIAMI LUNG CANCER INSTITUTE, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jul 3, 1990 | Inactive |
| GRACE LUXEMBOURG S.A.R.L. LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Nov 10, 2011 | Inactive |
| HAITIAN RELIEF CAMPAIGN, INC.Miami, FL · Inactive | Miami, FL | Nonprofit | Jan 25, 2010 | Inactive |
| HELPING HANDS COMMUNITY DEVELOPMENT CORPORATIONRockledge, FL · Inactive | Rockledge, FL | Nonprofit | Feb 16, 2011 | Inactive |
| W.R. GRACE FOUNDATION, INC.Location not reported, FL · Active | Location not reported, FL | Nonprofit | Dec 11, 1995 | Active |
| ACCURATE CORING, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jul 15, 2002 | Inactive |
| GREAT DAY ENTERPRISES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Aug 15, 2002 | Inactive |
| A+ TECHNOLOGY PARTNERS INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 2, 2004 | Inactive |
| EMERALD COAST CONCRETE RESURFACING, INC.Milton, FL · Inactive | Milton, FL | Corporation | Feb 6, 2006 | Inactive |
| MJ BROWN PROPERTIES INC.Miami Beach, FL · Inactive | Miami Beach, FL | Corporation | Feb 24, 2006 | Inactive |
| ALL SEASONS SURFACING INC.Vero Beach, FL · Inactive | Vero Beach, FL | Corporation | May 17, 2006 | Inactive |
| POSITIVE EFFECTS PERSONAL TRAINING INCMiami Beach, FL · Inactive | Miami Beach, FL | Corporation | Nov 6, 2006 | Inactive |
| CHEF JOE BROWN'S KITCHEN STORE, INCKey Largo, FL · Inactive | Key Largo, FL | Corporation | Mar 1, 2007 | Inactive |
| LAW OFFICES OF MICHAEL J. BROWN, P.A.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 18, 2008 | Inactive |
| MIDIAN TRADING COMPANYMargate, FL · Inactive | Margate, FL | Corporation | Jun 2, 2009 | Inactive |
| CALIBER CARPET & TILE CARE INC.Kissimmee, FL · Inactive | Kissimmee, FL | Corporation | Jun 3, 2011 | Inactive |
| DGM CONSTRUCTION INCLakeland, FL · Inactive | Lakeland, FL | Corporation | Apr 6, 2015 | Inactive |
| PENGUIN MINING, INC.Longwood, FL · Inactive | Longwood, FL | Corporation | Nov 21, 2017 | Inactive |
| REBOS HANDYMAN INCLakeland, FL · Inactive | Lakeland, FL | Corporation | Jun 4, 2018 | Inactive |
| M J BROWN CONTRACTORS, INCPensacola, FL · Inactive | Pensacola, FL | Corporation | Apr 19, 2019 | Inactive |
| REASON REVENUE GROUP, INC.Titusville, FL · Inactive | Titusville, FL | Corporation | Jul 23, 2020 | Inactive |
| MJ BROWN CONTRACTING, INC.Pensacola, FL · Inactive | Pensacola, FL | Corporation | Jul 22, 2021 | Inactive |
| MICHAEL BROWN PABrooksville, FL · Inactive | Brooksville, FL | Corporation | Dec 2, 2022 | Inactive |
| PAIDEIA AI LABS, INC.Deltona, FL · Active | Deltona, FL | Corporation | Sep 17, 2026 | Active |
| JOHN F. BROWN COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 16, 1990 | Inactive |
| EXPO-TECH ELECTRICAL & PLUMBING SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 24, 1990 | Inactive |
| NCR CAPITAL CORPORATIONBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Apr 22, 1996 | Inactive |
| MICHAEL J. BROWN, M.D., P.A.Pensacola, FL · Inactive | Pensacola, FL | Corporation | Aug 23, 1996 | Inactive |
| HOMEOWNERS HOLDING COMPANYPalm Beach, FL · Inactive | Palm Beach, FL | Corporation | Jun 9, 1997 | Inactive |
| ISLAND FITNESS PALM BEACH, INC.Palm Beach, FL · Inactive | Palm Beach, FL | Corporation | Jul 9, 1997 | Inactive |
| ACCURATE CORING, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Feb 16, 1998 | Inactive |
| EXTRAVERTICAL MOBILE I, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Sep 9, 1998 | Inactive |
| J CORP, INC.Maitland, FL · Inactive | Maitland, FL | Corporation | Feb 12, 1992 | Inactive |
| COPI-RITE BUSINESS MACHINES, INC.Coral Springs, FL · Inactive | Coral Springs, FL | Corporation | Aug 14, 1992 | Inactive |
| MIKAN DISTRIBUTING, INC.Edgewater, FL · Inactive | Edgewater, FL | Corporation | Oct 5, 1992 | Inactive |
| BROWN LEGACY CONSULTING LLCGainesville, FL · Active | Gainesville, FL | LLC | Oct 18, 2026 | Active |
| CINQUE VENTURES FL LLCSt. Johns, FL · Active | St. Johns, FL | LLC | Oct 27, 2026 | Active |