| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMBERNORTH LIMITED | SC180223 | 16/06/1998 | Dissolved |
| BELLMILL LIMITED | SC170205 | 16/01/1997 | Dissolved |
| EATONFELL LIMITED | SC199758 | 11/11/1999 | Dissolved |
| HARROWFELL LIMITED | SC170656 | 16/01/1997 | Dissolved |
| LAWLEITH LIMITED | SC290125 | 29/09/2005 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELLMILL (SCOTLAND) LIMITED | SC154449 | 06/02/1995 | 25/10/1995 | Bronze |
| BELLMILL (SCOTLAND) LIMITED | SC154449 | 06/02/1995 | 25/10/1995 | Bronze |
| PORT ENVIRONMENTAL LIMITED | SC159408 | 17/01/1997 | 01/07/1999 | Not Trading |
| SEPARO GROUP LIMITED | SC251290 | 24/10/2003 | 13/11/2020 | Silver |
| SEPARO LIMITED | SC258933 | 20/11/2003 | 13/11/2020 | Not Trading |
| SOLIDS CONTROL SERVICES ENVIRONMENTAL LIMITED | SC321994 | 14/05/2007 | 13/11/2020 | Gold |
| SOLIDS CONTROL SERVICES LIMITED | SC384794 | 03/09/2010 | 13/11/2020 | Gold |
| SOLIDS CONTROL SERVICES RESOURCES LIMITED | SC387879 | 29/10/2010 | 13/11/2020 | Amber |