| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Dx Geothermal Ltd | 05163784 | 25/06/2004 | Dissolved |
| EARTHWORKS HEATING LTD | 07231972 | 22/04/2010 | Dissolved |
| Mud-Traks Ltd | 05055285 | 25/02/2004 | Dissolved |
| W T Group Ltd | 04461550 | 09/06/2007 | Dissolved |
| W T SPECIALIST CONTRACTS LIMITED | 01728872 | 01/05/1996 | Dissolved |
| W T Safety Systems Ltd | 04559875 | 10/10/2002 | Dissolved |
| W.T. Europe Ltd | 02662337 | 30/04/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Sidekick Ltd | 03017659 | 06/02/1995 | 30/04/2004 | Dissolved |
| THOMAS BEN LIMITED | 04340563 | 19/12/2001 | 05/05/2006 | Silver |
| W T Group Ltd | 04461550 | 14/06/2002 | 23/11/2007 | Dissolved |
| W T SPECIALIST CONTRACTS LIMITED | 01728872 | 01/05/2007 | 26/01/2011 | Dissolved |
| W.T. ANCHOR SYSTEMS LIMITED | 04748139 | 29/04/2003 | 14/12/2006 | Dissolved |