| SHEILA M. MCDEVITT, P.L.Location not reported, FL · Active | Location not reported, FL | LLC | Jun 11, 2007 | Active |
| HUDMAC HOLDINGS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 28, 2011 | Inactive |
| FLORIDA CIVIL JUSTICE FOUNDATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Mar 11, 1985 | Inactive |
| ELECTRIC COUNCIL FOR THE ECONOMY, INC.Tampa, FL · Inactive | Tampa, FL | Nonprofit | Mar 29, 1993 | Inactive |
| COALITION FOR AFFORDABLE POWER, INC.Tampa, FL · Inactive | Tampa, FL | Nonprofit | Oct 27, 1995 | Inactive |
| THE HILLSBOROUGH COUNTY BAR FOUNDATION, INC.Tampa, FL · Active | Tampa, FL | Nonprofit | Jun 13, 1996 | Active |
| TECO PROPANE PROPERTIES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 28, 2000 | Inactive |
| TECO ASSETS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 5, 2000 | Inactive |
| KENNACO, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 5, 2000 | Inactive |
| TECO POWER VENTURES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Oct 23, 2000 | Inactive |
| TPS TEJAS HOLDINGS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 31, 2001 | Inactive |
| TPS GP II, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Feb 16, 2001 | Inactive |
| TPS LP II, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Feb 16, 2001 | Inactive |
| TPS ARIZONA OPERATIONS COMPANYTampa, FL · Inactive | Tampa, FL | Corporation | Mar 12, 2001 | Inactive |
| TPS OPERATIONS HOLDING COMPANYTampa, FL · Inactive | Tampa, FL | Corporation | Aug 6, 2001 | Inactive |
| TPS DELL OPERATIONS COMPANYTampa, FL · Inactive | Tampa, FL | Corporation | Aug 7, 2001 | Inactive |
| TPS FRONTERA OPERATIONS I, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Aug 28, 2002 | Inactive |
| TPS FRONTERA OPERATIONS II, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 10, 2002 | Inactive |
| MCADAMS HOLDING CO.Tampa, FL · Inactive | Tampa, FL | Corporation | May 4, 2004 | Inactive |
| FRONTERA HOLDING CO.Tampa, FL · Inactive | Tampa, FL | Corporation | May 4, 2004 | Inactive |
| DELL HOLDING CO.Tampa, FL · Inactive | Tampa, FL | Corporation | May 4, 2004 | Inactive |