| HILLER FAMILY FOUNDATION, INC.Tampa, FL · Active | Tampa, FL | Nonprofit | Nov 8, 2011 | Active |
| HILLER CARBON SERVICES, LLCTampa, FL · Active | Tampa, FL | LLC | May 12, 2011 | Active |
| NDX, LLCTampa, FL · Active | Tampa, FL | LLC | Sep 30, 2010 | Active |
| WCJ, LLCTampa, FL · Active | Tampa, FL | LLC | Sep 17, 2007 | Active |
| DOUBLE HAUL SERVICES, LLCTampa, FL · Active | Tampa, FL | LLC | Nov 22, 2005 | Active |
| NORTH SHORE HOLDINGS, LLCTampa, FL · Active | Tampa, FL | LLC | Nov 14, 2005 | Active |
| HILLER CARBON, LLCTampa, FL · Active | Tampa, FL | LLC | Dec 18, 2002 | Active |
| HILLER SOFTWARE CORPORATIONTampa, FL · Inactive | Tampa, FL | Corporation | May 3, 1983 | Inactive |
| HILLER FUELS GROUP INCORPORATEDTampa, FL · Inactive | Tampa, FL | Corporation | Jan 8, 1985 | Inactive |
| HILLER TECHNICAL PRODUCTS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 13, 1988 | Inactive |
| ATLANTIC JET CENTER, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Jun 30, 1989 | Inactive |
| CARBON PRODUCTS EQUIPMENT, LLCTampa, FL · Inactive | Tampa, FL | LLC | Jul 9, 2003 | Inactive |
| WES HILLER TRADING & CONSULTING, LLCTampa, FL · Inactive | Tampa, FL | LLC | Jan 13, 2004 | Inactive |
| DOUBLE HAUL INVESTMENTS, LLCTampa, FL · Inactive | Tampa, FL | LLC | Aug 26, 2004 | Inactive |
| HILLER TRADING, LLCTampa, FL · Inactive | Tampa, FL | LLC | Dec 8, 2005 | Inactive |
| WESMAR RESOURCES, LLCTampa, FL · Inactive | Tampa, FL | LLC | Dec 1, 2006 | Inactive |
| WTH AVIATION, LLCTampa, FL · Inactive | Tampa, FL | LLC | Sep 17, 2007 | Inactive |
| HILLER BIOENERGY, LLCTampa, FL · Inactive | Tampa, FL | LLC | Mar 4, 2010 | Inactive |
| ADVANCED RENEWABLE ENERGIES, LLCWest Palm Beach, FL · Inactive | West Palm Beach, FL | LLC | Aug 29, 2011 | Inactive |
| AMEENERGY LLCTampa, FL · Inactive | Tampa, FL | LLC | Sep 14, 2011 | Inactive |
| HILLER TEXAS, LLCTampa, FL · Inactive | Tampa, FL | LLC | Dec 27, 2012 | Inactive |
| POTOMAC TRADING LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Apr 12, 2013 | Inactive |
| HILLER-TOMAS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 30, 1990 | Inactive |
| THE HILLER FUELS GROUP EXPORT, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 10, 1990 | Inactive |
| HILLER AVIATION LEASING, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 26, 1988 | Inactive |
| HILLER FINANCIAL INCORPORATEDTampa, FL · Inactive | Tampa, FL | Corporation | Apr 4, 1988 | Inactive |