| J.S. SHUEY INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 27, 1963 | Inactive |
| FIA, FIA, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Dec 2, 1963 | Inactive |
| KEY 66 MARINA, INC.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Corporation | Jun 9, 1964 | Inactive |
| OLD ISLAND CANDLE MAKERS INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 5, 1966 | Inactive |
| MARATHON BOATING CENTER, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 24, 1973 | Inactive |
| HI, NEIGHBOR, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 8, 1974 | Inactive |
| ROBERT S. APPLETON, P.A.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 5, 1974 | Inactive |
| CIRCLE AIR, INC.Marathona, FL · Inactive | Marathona, FL | Corporation | Jan 4, 1979 | Inactive |
| J.D. SHANAHAN CONSTRUCTION, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 31, 1980 | Inactive |
| COFFINS PATCH ENTERPRISES, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 20, 1980 | Inactive |
| MARITIME REPAIR SERVICE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 12, 1980 | Inactive |
| F.J.'S FACTORY OUTLET, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 9, 1980 | Inactive |
| MONROE COUNTY SHERIFF'S RESERVE, MARATHON SUB-STATION, INC.Marathon, FL · Inactive | Marathon, FL | Nonprofit | Jun 1, 1983 | Inactive |
| EXCALIBUR STABLES, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Feb 23, 1982 | Inactive |
| MAGIC CHUM, INC.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Corporation | Sep 13, 1982 | Inactive |
| ASCOT INVESTMENTS OF THE FLORIDA KEYS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 27, 1982 | Inactive |
| SAMUEL SMITH, INC.Miami, FL · Inactive | Miami, FL | Corporation | Nov 22, 1982 | Inactive |
| C.A.J., INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 6, 1983 | Inactive |
| TLC NURSERY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Apr 12, 1983 | Inactive |
| DOMINGUEZ JEWELRY DESIGNS CORPORATIONMarathon, FL · Inactive | Marathon, FL | Corporation | May 25, 1984 | Inactive |
| ROBERT SCOTT APPLETON, M.D., P.A.Orlando, FL · Inactive | Orlando, FL | Corporation | Mar 1, 2005 | Inactive |