| MODERN TECHNOLOGY HOMES, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 30, 1984 | Inactive |
| OCEANVIEW SEAFOOD, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Aug 7, 1984 | Inactive |
| PFD INVESTMENT GROUP LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 30, 2004 | Inactive |
| D & D PUMPING, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 7, 1984 | Inactive |
| 28TH STREET, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 5, 2005 | Inactive |
| MARATHON SEAWALLS AND DOCKS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 24, 1984 | Inactive |
| NVHG HOTEL OPERATOR, LLCDuck Key, FL · Inactive | Duck Key, FL | LLC | Jan 23, 2007 | Inactive |
| US BUYERS AND SELLERS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 8, 2007 | Inactive |
| BENEDIKT & ASSOC., INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 5, 1984 | Inactive |
| MIND WORKS OF MARATHON, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jul 9, 2008 | Inactive |
| SUNNY SAIL CHARTERS LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 23, 2009 | Inactive |
| EATZ MEATZ, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Sep 24, 2009 | Inactive |
| A-AFFORDABLE JET SKI RENTALS, LLCConch Key, FL · Inactive | Conch Key, FL | LLC | Oct 23, 2009 | Inactive |
| BOARDROOM EVENTS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 17, 2009 | Inactive |
| L'ATTITUDES KEY LIME LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 20, 2011 | Inactive |
| SR CONSULTING SERVICES LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 20, 2012 | Inactive |
| MARATHON KEY, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Sep 21, 2012 | Inactive |
| FREEL, KELLY AND MCGRAW CONSTRUCTION, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 29, 1985 | Inactive |
| RETIREMENT ENTERPRISE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 10, 1985 | Inactive |
| JENKINS AT LAW, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 19, 2014 | Inactive |
| CARIBBEAN SOUL CHARTERS, INC.Conch Key, FL · Inactive | Conch Key, FL | Corporation | Apr 24, 1985 | Inactive |
| CKR DEVELOPERS, LLCDuck Key, FL · Inactive | Duck Key, FL | LLC | Jan 12, 2015 | Inactive |
| DUCK KEY CHARTERS, LLCDuck Key, FL · Inactive | Duck Key, FL | LLC | Feb 11, 2015 | Inactive |
| JCHP, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 9, 2015 | Active |
| CHESAPEAKE NAUTICAL LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 20, 2015 | Inactive |
| POLAR HOLDING, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | May 10, 1985 | Inactive |
| BROWN AND MAGZAMER, P.A.Marathon, FL · Inactive | Marathon, FL | Corporation | May 22, 1985 | Inactive |
| JAK BEACH RENTALS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | May 13, 2016 | Inactive |
| MORGAN KEYS LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jul 11, 2017 | Inactive |
| MAGY'S CLEANING SERVICE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 2, 2017 | Inactive |
| GALARIS ASSOCIATES, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 24, 1985 | Inactive |
| B&B GROUP OF FLORIDA, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Apr 24, 2019 | Inactive |
| KELLEY FAMILY ISLAND HOME LLCDuck Key, FL · Inactive | Duck Key, FL | LLC | May 24, 2019 | Inactive |
| CUNDIFF BINS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 5, 2020 | Inactive |
| PORTER PROPERTIES, L.L.C.Marathon, FL · Inactive | Marathon, FL | LLC | Nov 19, 2020 | Inactive |
| A-TEAM INVESTMENTS LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 13, 2021 | Active |
| DRH TRANQUILITY, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 8, 2021 | Active |
| VETERAN PROPERTIES FLORIDA, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Apr 13, 2022 | Inactive |
| EXPRESS HYDRAULICS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Aug 29, 2022 | Inactive |
| DESTINY COMPLEXITY, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Apr 6, 2023 | Inactive |
| R&T AVIATION, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Aug 10, 2023 | Inactive |
| R-A & ASSOCIATES LLCDuck Key, FL · Active | Duck Key, FL | LLC | Nov 29, 2023 | Active |
| COMPLETE CARE HOME HEALTH AGENCY OF MONROE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 12, 1985 | Inactive |
| ELLESTAD INVESTMENTS IV LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 4, 2023 | Active |
| RAISING CUBS LLCMarathon, FL · Inactive | Marathon, FL | LLC | Mar 8, 2024 | Inactive |
| SILVER BRIDGE EXCAVATING LLCMarathon, FL · Inactive | Marathon, FL | LLC | Aug 6, 2024 | Inactive |
| OASIS ISLAND HOLDINGS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 10, 2024 | Inactive |
| ELENBAAS PROPERTY HOLDINGS LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 5, 2026 | Active |
| FARO BLANCO SMI, LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 21, 2026 | Active |
| CI GLOBAL HOLDING LLCMarathon, FL · Active | Marathon, FL | LLC | Aug 10, 2026 | Active |