| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADAM WILSON & SONS (HOLDINGS) LIMITED | SC230058 | 30/05/2002 | Bronze |
| ALEXANDERS TIMBER DESIGN LIMITED | SC335744 | 26/03/2008 | Silver |
| ALEXANDERS' SAW MILLS LIMITED | SC042072 | 31/12/1988 | Silver |
| Cowal Ari Sawmilling Co Ltd | SC029550 | 01/05/1996 | Dissolved |
| Firbeck Timber Co Ltd | 00343254 | 29/10/1992 | Dissolved |
| GLENNON BROTHERS (UK) LIMITED | SC011487 | 31/12/1989 | Gold |
| Hms (416) Ltd | SC230057 | 30/05/2002 | Dissolved |
| Matthew Wright & Nephew, Ltd | SC012368 | 31/12/1988 | Dissolved |
| Stevenson-Lovart Company Ltd | SC015109 | 01/05/1996 | Dissolved |
| WILSON FOREST PRODUCTS LIMITED | SC230059 | 30/05/2002 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BANKEND RIG OPERATIONS LIMITED | SC288460 | 19/08/2010 | 15/08/2018 | Not Trading |
| BANKEND RIG WIND FARM LLP | SO302949 | 04/08/2010 | 15/08/2018 | Silver |
| DAVARI PROPERTIES LIMITED | SC108612 | 01/07/1995 | 04/04/2008 | Bronze |
| FIRST STOP BUILDERS MERCHANTS LIMITED | SC136444 | 15/04/1992 | 03/04/2008 | Dissolved |
| WILSON RENEWABLES II LLP | SO305375 | 04/06/2015 | 12/10/2021 | Gold |