| MARINE TRANSPORTATION SOLUTIONS, INC.Jupiter, FL · Active | Jupiter, FL | Corporation | Apr 7, 2009 | Active |
| SHIPS INCMiami, FL · Inactive | Miami, FL | Corporation | Sep 27, 1956 | Inactive |
| MARINE EXPLORATION COMPANY INCORPORATEDMiami, FL · Inactive | Miami, FL | Corporation | Nov 30, 1961 | Inactive |
| SHIP SALES CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Aug 5, 1968 | Inactive |
| OCEAN TOWING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 21, 1971 | Inactive |
| KEY WEST SHIPYARDS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 1, 1971 | Inactive |
| STAR SHIPPING CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 9, 1971 | Inactive |
| KEY WEST MARINE CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Nov 23, 1971 | Inactive |
| CARIBE TOWING CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Mar 13, 1975 | Inactive |
| ATLANTIC TANKERS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 5, 1975 | Inactive |
| TRANSOCEAN, INC.Miami, FL · Inactive | Miami, FL | Corporation | Apr 14, 1977 | Inactive |
| PHOENIX LEASING, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jun 21, 1977 | Inactive |
| TRANSMARINE, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jun 23, 1977 | Inactive |
| TRANS-STAR, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jun 23, 1977 | Inactive |
| UNIVERSAL MARITIME CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Mar 24, 1978 | Inactive |
| MARINECO, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jul 12, 1978 | Inactive |
| FIRST INTERNATIONAL THEORIES CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Sep 6, 1978 | Inactive |
| CARIBE STAR, INC.Miami, FL · Inactive | Miami, FL | Corporation | Sep 28, 1978 | Inactive |
| CRETO CHEMICAL CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Dec 14, 1978 | Inactive |
| STAR MARINE LINES, INC.Miami, FL · Inactive | Miami, FL | Corporation | Oct 1, 1979 | Inactive |
| AAA FOOD PRODUCTS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Nov 29, 1979 | Inactive |
| GULF & ORIENT STEAMSHIP CO., INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Jun 25, 1996 | Inactive |
| SOUTH FLORIDA YACHTS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Aug 10, 1983 | Inactive |
| TUMACO DEVELOPMENT CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Sep 29, 1983 | Inactive |
| SOUTH AMERICA TIMBER CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Sep 29, 1983 | Inactive |
| ELECTRAK PRINTING CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Aug 10, 1984 | Inactive |
| U.S. TIRE CORPORATIONMiami, FL · Inactive | Miami, FL | Corporation | Dec 5, 1984 | Inactive |
| ELECTRAK USA, INC.Miami, FL · Inactive | Miami, FL | Corporation | Aug 9, 1985 | Inactive |
| PROINCO, INC.Miami, FL · Inactive | Miami, FL | Corporation | Mar 25, 1986 | Inactive |
| PROJECT EARTH FOUNDATION, INC.Jupiter, FL · Inactive | Jupiter, FL | Nonprofit | Aug 28, 1998 | Inactive |
| FLORIDA LINES, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Jan 17, 2001 | Inactive |
| OCEAN ENVIRONMENTAL CORPORATIONJupiter, FL · Inactive | Jupiter, FL | Corporation | Jun 13, 2001 | Inactive |
| BARGE ONE CORPORATIONJupiter, FL · Inactive | Jupiter, FL | Corporation | Dec 18, 2003 | Inactive |
| U.S. MARINE CORPORATIONJupiter, FL · Inactive | Jupiter, FL | Corporation | Dec 18, 2003 | Inactive |
| NID TERMINAL, INC.West Palm Beach, FL · Inactive | West Palm Beach, FL | Corporation | Nov 16, 2004 | Inactive |
| NID AGENCY, INCWest Palm Beach, FL · Inactive | West Palm Beach, FL | Corporation | Nov 16, 2004 | Inactive |
| LIBERTY MARITIME, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Aug 2, 2005 | Inactive |
| JUPITER MARITIME, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Feb 11, 2008 | Inactive |
| ALEXOIL, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Dec 1, 2008 | Inactive |
| NAVITAS MARINE, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Oct 6, 2010 | Inactive |
| OFFSHORE MARINE CONSULTANTS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Oct 1, 1993 | Inactive |
| NORSEMAN MARINE TOWING, INC.Jupiter, FL · Inactive | Jupiter, FL | Corporation | Mar 14, 1995 | Inactive |
| AMERICAN TUG AND BARGE, INC.Miami, FL · Inactive | Miami, FL | Corporation | May 7, 1997 | Inactive |