| MJSULLIVAN, LLCClermont, FL · Active | Clermont, FL | LLC | Oct 15, 2020 | Active |
| MDS VENTURES, LLCCrescent City, FL · Active | Crescent City, FL | LLC | Feb 7, 2005 | Active |
| BROWARD CENTURY LOCKSMITHS II, INCDeerfield Beach, FL · Active | Deerfield Beach, FL | Corporation | Jan 17, 2006 | Active |
| THE COMMANDER'S SHELLFISH CAMP, LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Nov 5, 2015 | Active |
| PREMIUM SEAFOOD INC.Jacksonville Beach, FL · Active | Jacksonville Beach, FL | Corporation | Jan 9, 2012 | Active |
| MJ SULLIVAN FAMILY HOLDINGS, LLCKey Largo, FL · Active | Key Largo, FL | LLC | Sep 21, 2021 | Active |
| EEC LAND, LLCMiami, FL · Active | Miami, FL | LLC | Nov 13, 2024 | Active |
| ALL IN MARINE, LLCCoconut Gorve, FL · Active | Coconut Gorve, FL | LLC | Oct 16, 2020 | Active |
| MICHAEL JOHN SULLIVAN P.A.Miami, FL · Active | Miami, FL | Corporation | Oct 26, 2017 | Active |
| VERTICAL REAL ESTATE LLCMiami Beach, FL · Active | Miami Beach, FL | LLC | Feb 2, 2022 | Active |
| FORTIS ENERGY RESOURCES LLCPalm Beach, FL · Active | Palm Beach, FL | LLC | Sep 8, 2006 | Active |
| PORT EVERGLADES TERMINAL LAND LLCPalm Beach, FL · Active | Palm Beach, FL | LLC | Apr 3, 2006 | Active |
| RFM SWIM HOLDINGS, LLCPonte Vedra Beach, FL · Active | Ponte Vedra Beach, FL | LLC | Jun 18, 2020 | Active |
| SULLIVAN HARDWOOD FLOORING CO.Tallahassee, FL · Active | Tallahassee, FL | Corporation | Jan 15, 2004 | Active |
| ARCH CREEK CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 31, 1962 | Inactive |
| A B C DRYWALL, CORPORATIONMargate, FL · Active | Margate, FL | Corporation | Jan 4, 1972 | Active |
| EUROPEAN SERVICE CENTER, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 18, 1974 | Inactive |
| MR FRESH LTDNew Smyrna Beach, FL · Inactive | New Smyrna Beach, FL | Partnership | Dec 13, 2002 | Inactive |
| STERLING VISTA, LTD.Location not reported, FL · Inactive | Location not reported, FL | Partnership | Apr 11, 1988 | Inactive |
| IMAGES-DEL AMERICAN, LTD.Location not reported, FL · Inactive | Location not reported, FL | Partnership | Dec 7, 1989 | Inactive |
| THE IMAGES - ILLINOIS LIMITED PARTNERSHIPLocation not reported, FL · Inactive | Location not reported, FL | Partnership | Dec 31, 1990 | Inactive |
| WORLD EXPO CENTER, LTD.Miami, FL · Inactive | Miami, FL | Partnership | Feb 17, 1998 | Inactive |
| MICHAEL J. SULLIVAN, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Dec 2, 1981 | Inactive |
| 833437 ONTARIO, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 22, 1993 | Inactive |
| CORNERSTONE OF CANADA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 24, 1995 | Inactive |
| SWOPE AUTOMOTIVE GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 9, 1997 | Inactive |
| BUILDING ONE SERVICE SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 17, 1997 | Inactive |
| BERKSHIRE-WESTWOOD GRAPHICS GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 4, 1997 | Inactive |
| CYPRESS SERVICES OF FLORIDA, INC.Miami, FL · Inactive | Miami, FL | Corporation | Oct 4, 1982 | Inactive |
| SUN RIDGE OF ORLANDO, INC.Lake Mary, FL · Inactive | Lake Mary, FL | Corporation | Nov 15, 1983 | Inactive |
| SUL-SUL, INCORPORATEDWinter Park, FL · Inactive | Winter Park, FL | Corporation | Nov 6, 1985 | Inactive |
| SUL-RUS, INCORPORATEDWinter Park, FL · Inactive | Winter Park, FL | Corporation | May 5, 1986 | Inactive |
| BASKETS UNIQUE, INC.Winter Park, FL · Inactive | Winter Park, FL | Corporation | May 23, 1986 | Inactive |
| GRAVAN INVESTMENT, INC.Winter Park, FL · Inactive | Winter Park, FL | Corporation | Jun 15, 1987 | Inactive |
| MONARCH GLASS STRUCTURES, INC.Pompano Beach, FL · Inactive | Pompano Beach, FL | Corporation | Dec 7, 1988 | Inactive |
| SULLIVAN SCAFFOLDS CORP.Margate, FL · Inactive | Margate, FL | Corporation | Jan 31, 1989 | Inactive |
| SPIDERKONG LLCNaples, FL · Inactive | Naples, FL | LLC | May 2, 2008 | Inactive |
| MICHAEL J. SULLIVAN JR. LLCWinter Springs, FL · Inactive | Winter Springs, FL | LLC | Jun 14, 2011 | Inactive |
| SPIDERKONG II, LLCNaples, FL · Inactive | Naples, FL | LLC | Feb 9, 2012 | Inactive |
| FOUR LEAF ENTERPRISES, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Jul 22, 2014 | Inactive |
| SOUTH FLORIDA FLOORING AND BATH LLCParrish, FL · Inactive | Parrish, FL | LLC | Jul 28, 2015 | Inactive |
| ORGANIC TELECOM, LLCWinter Park, FL · Inactive | Winter Park, FL | LLC | Dec 16, 2016 | Inactive |
| SULLIVAN SECURITY RISK & THREAT CONSULTANTS LLCLand O'Lakes, FL · Inactive | Land O'Lakes, FL | LLC | Aug 3, 2021 | Inactive |
| POWELL DIVING, LLCMaitland, FL · Active | Maitland, FL | LLC | Nov 16, 2021 | Active |
| 28 EDWARDS STREET, LLCMaitland, FL · Inactive | Maitland, FL | LLC | Nov 18, 2021 | Inactive |
| MJ SULLIVAN CONSULTING LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 4, 2022 | Inactive |
| 708 CACTUS RIDGE CIRCLE LLCSeffner, FL · Active | Seffner, FL | LLC | Jul 2, 2024 | Active |
| 792 CACTUS RIDGE CIRCLE LLCSeffner, FL · Active | Seffner, FL | LLC | Jul 2, 2024 | Active |
| SULLI LLCLand O'Lakes, FL · Active | Land O'Lakes, FL | LLC | Dec 2, 2025 | Active |
| SULLY'S PLUMBING, LLCPompano Beach, FL · Active | Pompano Beach, FL | LLC | Mar 12, 2026 | Active |