| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| TECHNICAL DEMOLITION SERVICES LIMITED | 01684019 | 30/09/1991 | Silver |
| TECHNICAL DEMOLITION SERVICES PLANT HIRE LIMITED | 04333373 | 04/12/2001 | Silver |
| TH SOLUTIONS LLP | OC315200 | 01/11/2007 | Dissolved |
| Technical Refractory Services Ltd | 03370218 | 08/05/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Demolition (U K) Ltd | 02092502 | 31/08/1991 | 03/07/1992 | Dissolved |
| Gouda Refractories (Uk) Ltd | 03621526 | 25/08/1998 | 02/11/2006 | Dissolved |