| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Clayton & Armstrong,Ltd | 00103955 | 01/06/2004 | Dissolved |
| Edmund Robson (Timber) Ltd | 06379007 | 24/09/2007 | Dissolved |
| M.H.SOUTHERN & COMPANY LIMITED | 00474897 | 01/06/1998 | Silver |
| MH SOUTHERN (HOLDINGS) LIMITED | 03866098 | 26/10/1999 | Bronze |
| ROBERT DUNCAN TIMBER PRODUCTS LIMITED | 06792875 | 29/01/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NORTHUMBERLAND GOLF CLUB LIMITED(THE) | 00056712 | 25/03/2000 | 29/03/2003 | Silver |
| TIMBER DEVELOPMENT UK LIMITED | 02515034 | 30/07/2012 | 30/07/2014 | Bronze |