| J. RHODES GROUP, LLCSummerland Key, FL · Active | Summerland Key, FL | LLC | Jan 13, 2020 | Active |
| ACCURATE HOME INSPECTIONS OF THE FLORIDA KEYS, INC.The Villages, FL · Inactive | The Villages, FL | Corporation | Jun 29, 2016 | Inactive |
| MARK HARRIS CORPORATIONMarathon, FL · Active | Marathon, FL | Corporation | Jun 6, 1978 | Active |
| THE PUTO FAMILY LIMITED PARTNERSHIP #1Marathon, FL · Inactive | Marathon, FL | Partnership | Jan 15, 1997 | Inactive |
| THE PUTO FAMILY LIMITED PARTNERSHIP #2Marathon, FL · Inactive | Marathon, FL | Partnership | Mar 7, 1997 | Inactive |
| PINEWOOD ENTERPRISES, INC.Summerland Key, FL · Active | Summerland Key, FL | Corporation | Dec 31, 1980 | Active |
| THE STUFFED PIG, INC.Marathon, FL · Active | Marathon, FL | Corporation | Mar 12, 1984 | Active |
| KEYS ANIMAL HOSPITAL, INC.Marathon, FL · Active | Marathon, FL | Corporation | Dec 2, 1986 | Active |
| DEN-QUE, INC.Marathon, FL · Active | Marathon, FL | Corporation | Aug 14, 1987 | Active |
| REWARDS HOTEL MANAGEMENT COMPANY, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jan 28, 2002 | Inactive |
| CONCH HOLDINGS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 3, 2002 | Inactive |
| JCP TRANSPORT, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 5, 2002 | Inactive |
| BONEFISH BAY RESTAURANTS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 6, 2002 | Inactive |
| FLORIDA KEYS INVESTMENTS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 21, 2003 | Inactive |
| G.B. TRACTOR SERVICE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 5, 2003 | Inactive |
| KEYS PROPERTY CONNECTIONS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 5, 2003 | Inactive |
| WILLY SMITH PLASTER & STUCCO, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Apr 20, 2004 | Inactive |
| LOMA ALTA ASSOCIATES, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 11, 2006 | Active |
| ANCHOR YACHT SALES, LLCFort Lauderdale, FL · Inactive | Fort Lauderdale, FL | LLC | Dec 29, 2006 | Inactive |
| MJD FLORIDA 2, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | May 24, 2007 | Inactive |
| FLOOR SPECIALIST NATURAL STONES, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 5, 2011 | Inactive |
| SALTY'S, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Feb 9, 2011 | Inactive |
| SUKA, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Feb 7, 2013 | Inactive |
| MAD-CAM RENTALS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 3, 2013 | Inactive |
| HYDER FAMILY, L.L.C.Marathon, FL · Inactive | Marathon, FL | LLC | Nov 26, 2013 | Inactive |
| LISA JOSEPH, LLCKey Colony Beach, FL · Inactive | Key Colony Beach, FL | LLC | May 29, 2014 | Inactive |
| MAIKEL TILE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 26, 2015 | Inactive |
| BLUEPOINT MANUFACTURING, LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 4, 2016 | Inactive |
| 5TH GENERATION CONCH PRODUCTIONS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Sep 20, 2017 | Inactive |
| MARIN GRANITE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 25, 2019 | Inactive |
| KURLIJO, LLCKey Colony Beach, FL · Active | Key Colony Beach, FL | LLC | Jul 24, 2019 | Active |
| CITY LIMITS STUDIOS FLORIDA KEYS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 11, 2019 | Inactive |
| BLUE EAGLE TRANSPORT, LLCHialeah, FL · Inactive | Hialeah, FL | LLC | Nov 22, 2019 | Inactive |
| FLORIDA KEYS DISTRIBUTION, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 1, 2020 | Inactive |
| 211 CAREY INVESTORS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 23, 2020 | Inactive |
| 314 BENNETT INVESTORS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 23, 2020 | Inactive |
| JUST BEACHY B&B, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 7, 2022 | Inactive |
| 423 BARRY AVENUE HOLDINGS, LLCLittle Torch Key, FL · Active | Little Torch Key, FL | LLC | Feb 13, 2025 | Active |
| RANCH LAND MANAGEMENT, LLCHilliard, FL · Active | Hilliard, FL | LLC | Aug 28, 2026 | Active |
| CSV, INCORPORATEDMarathon, FL · Active | Marathon, FL | Corporation | Dec 22, 1989 | Active |
| MARATHON HOTEL PARTNERS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jan 28, 2002 | Inactive |
| MM 27.5 LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 29, 2009 | Active |
| KEY COLONY BEACH REALTY, INC.Key Colony Beach, FL · Active | Key Colony Beach, FL | Corporation | Feb 4, 1988 | Active |
| DSG HOLDING COMPANY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Feb 11, 1988 | Inactive |
| ENVIRONMENTALLY CONCERNED COMMERCIAL DIVERS OF THE LOWER KEYS, INC.Big Pine Key, FL · Inactive | Big Pine Key, FL | Nonprofit | Jun 17, 2009 | Inactive |
| STUFFED PIG SCHOLARSHIP, INC.Marathon, FL · Active | Marathon, FL | Nonprofit | Sep 15, 1995 | Active |
| MARDA, INC.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Corporation | Jun 27, 2002 | Inactive |
| MANATEE BAY RESTAURANT, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 18, 2002 | Inactive |
| CREATIVE BUSINESS IDEAS, INC.Big Pine Keys, FL · Inactive | Big Pine Keys, FL | Corporation | Oct 18, 2002 | Inactive |
| ABOVE & BEYOND LANDSCAPING AND DESIGN, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 8, 2002 | Inactive |