| POMPANO AIR TAXI, INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 28, 1972 | Inactive |
| INTRALOCK FLORIDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 28, 1976 | Inactive |
| D.E. HUGHES, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Mar 10, 1978 | Inactive |
| JOB-SITE INDUSTRIES, INC.Davie, FL · Inactive | Davie, FL | Corporation | Apr 9, 1979 | Inactive |
| INTRALOCK CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 17, 1981 | Inactive |
| THE HARDCASTLE CORPORATIONBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Feb 13, 1981 | Inactive |
| INTERNATIONAL NETWORKS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 6, 1981 | Inactive |
| GILDER CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Sep 16, 1981 | Inactive |
| CASTLE KEEP CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Dec 9, 1981 | Inactive |
| ATLANTIC ELECTRIC OF THE PALM BEACHES, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jan 25, 1982 | Inactive |
| LIBERTY PLUMBING OF THE PALM BEACHES, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jan 25, 1982 | Inactive |
| THE EQUINE BOARDING SCHOOL, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Mar 30, 1982 | Inactive |
| INTERNATIONAL COMPUTER NETWORKS, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Apr 1, 1982 | Inactive |
| HARDCASTLE POINTE CORPORATIONPompano Beach, FL · Inactive | Pompano Beach, FL | Corporation | Aug 30, 1983 | Inactive |
| HARDCASTLE LANTANA CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Aug 31, 1983 | Inactive |
| INTRALOCK FLORIDA GROUP I CORPORATIONPompano Bch, FL · Inactive | Pompano Bch, FL | Corporation | Oct 12, 1983 | Inactive |
| HARDCASTLE POINTE II CORPORATIONBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Apr 12, 1984 | Inactive |
| PENTAGON DEVELOPMENT GROUP, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Mar 12, 1984 | Inactive |
| AERO LINK CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Apr 27, 1984 | Inactive |
| ADVANCED CONCRETE TECHNOLOGIES CORP.Pompano Bch, FL · Inactive | Pompano Bch, FL | Corporation | Sep 18, 1986 | Inactive |
| BATES & DALY CO.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Feb 16, 1990 | Inactive |
| FALCON AIRWAYS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 18, 1984 | Inactive |
| NIKE AIRWAYS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 31, 1984 | Inactive |
| PALM BEACH AIRWAYS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 31, 1984 | Inactive |
| AERO STAR AIRWAYS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | May 31, 1984 | Inactive |
| HARDCASTLE REALTY & MANAGEMENT CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 29, 1984 | Inactive |
| HARDCASTLE FINANCIAL SERVICE CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Nov 29, 1984 | Inactive |
| STARSHIP AIRWAYS CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Dec 17, 1984 | Inactive |
| HARDCASTLE WELLEBY CORPORATIONBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Dec 19, 1984 | Inactive |
| HARDCASTLE CUSTOM HOMES CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 19, 1984 | Inactive |
| PORT CENTER CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jan 16, 1985 | Inactive |
| ADVANCED CONCRETE BLOCK SYSTEMS CORPORATIONPompano Beach, FL · Inactive | Pompano Beach, FL | Corporation | Jan 11, 1995 | Inactive |
| INTRALOCK CORPORATIONBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jan 10, 1992 | Inactive |
| PHALANX CORPORATIONBoca Raton, FL · Active | Boca Raton, FL | Corporation | Aug 19, 1992 | Active |