| MARATHON BUILDERS INCMarathon, FL · Inactive | Marathon, FL | Corporation | Jan 27, 1955 | Inactive |
| SOMBRERO BEACH REALTY CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 11, 1955 | Inactive |
| THE CITIZENS AND SOUTHERN BANK OF MONROE COUNTYMarathon, FL · Inactive | Marathon, FL | Corporation | Apr 3, 1956 | Inactive |
| SOMBRERO BEACH ESTATES INCMarathon, FL · Inactive | Marathon, FL | Corporation | Dec 3, 1957 | Inactive |
| KINGSAIL CORPORATION OF MARATHONMarathon, FL · Inactive | Marathon, FL | Corporation | Jan 1, 1957 | Inactive |
| SURFSIDE-BY-THE-SEA INCMarathon, FL · Inactive | Marathon, FL | Corporation | Mar 15, 1962 | Inactive |
| HANLEYS WATERFRONT RESTAURANT, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 23, 1964 | Inactive |
| THE KNOTICAL SHOP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 13, 1967 | Inactive |
| MARATHON GLASS AND SUPPLY INCMarathon, FL · Inactive | Marathon, FL | Corporation | Jun 22, 1967 | Inactive |
| SCIENTIFIC REALTY CORPLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 29, 1968 | Inactive |
| MAR-LYNN CONSTRUCTION CO,. INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Feb 10, 1972 | Inactive |
| GENERAL UNITED SERVICE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 12, 1973 | Inactive |
| HICKORY HOUSE QUAY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 14, 1974 | Inactive |
| OVERSEAS ACE HARDWARE, INC.Islamorada, FL · Inactive | Islamorada, FL | Corporation | Apr 16, 1975 | Inactive |
| UNDERSEAS PHOTOGRAPHY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 22, 1976 | Inactive |
| LIAHO BARGE CORP.Marathon, FL · Inactive | Marathon, FL | Corporation | May 18, 1977 | Inactive |
| YOUNG & GRANT YACHTS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 26, 1977 | Inactive |
| RAINBOW OIL CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Aug 1, 1977 | Inactive |
| SOUTHWIND BUILDING CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Dec 12, 1977 | Inactive |
| LAYNE BUILDERS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 18, 1978 | Inactive |
| AD PAGES, INC.Key Colony Bch, FL · Inactive | Key Colony Bch, FL | Corporation | Sep 7, 1978 | Inactive |
| BOJANGLE BROTHERS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 20, 1979 | Inactive |
| Y & G 51 YACHTS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | May 23, 1979 | Inactive |
| CAMERON PEST CONTROL, INC.Duck Key, FL · Inactive | Duck Key, FL | Corporation | Jun 24, 1980 | Inactive |
| THE FRED F. ALLEN CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 4, 1961 | Inactive |
| INTERNAV (FLORIDA), INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 3, 1981 | Inactive |
| BROWN & BALL, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | May 13, 1981 | Inactive |
| LEM ROD, INC.Big Pine Key, FL · Inactive | Big Pine Key, FL | Corporation | Jan 15, 1982 | Inactive |
| CANWEL, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 21, 1988 | Inactive |
| SAL TACK SHACK, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 19, 1991 | Inactive |
| WORLD FAMOUS KEY LIME PIE CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 14, 1991 | Inactive |
| MANGROVE BUILDING CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 3, 1992 | Inactive |