| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Durham Pipeline Technology Ltd | 04208985 | 01/12/2006 | Dissolved |
| THE OSMOSIS PARTNERSHIP LIMITED | 04809266 | 24/06/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EXPRESS ENGINEERING (GATESHEAD) LIMITED | 01405214 | 20/07/2005 | 09/10/2013 | Bronze |
| FEDERAL SIGNAL UK HOLDINGS LIMITED | 02855390 | 01/10/2005 | 31/12/2009 | Gold |
| HEDLEY PURVIS GROUP LIMITED | 04125901 | 01/08/2003 | 20/01/2005 | Dissolved |
| HEDLEY PURVIS HOLDINGS LIMITED | 05067559 | 07/05/2004 | 20/01/2005 | Dissolved |
| HEDLEY PURVIS INTERNATIONAL LIMITED | 04126331 | 01/08/2003 | 20/01/2005 | Dissolved |
| HEDLEY PURVIS VENTURES LIMITED | 04125919 | 01/08/2003 | 20/01/2005 | Dissolved |
| HYDRATIGHT OPERATIONS LIMITED | 01385259 | 01/08/2003 | 20/01/2005 | Not Trading |
| RTC NORTH LIMITED | 02373630 | 07/09/2005 | 02/09/2013 | Gold |
| TYNEMOUTH GOLF CLUB,LIMITED(THE) | 00130377 | 04/11/2009 | 04/11/2015 | Silver |
| VICTOR PRODUCTS HOLDINGS LTD | 00241316 | 01/10/2005 | 31/12/2009 | Amber |
| VICTOR PRODUCTS LTD | 06531201 | 01/04/2008 | 31/12/2009 | Gold |
| WLTD LIMITED | 00196631 | 10/09/2002 | 11/03/2003 | Dissolved |