| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENVIROFIBRE LIMITED | 05313263 | 14/12/2004 | Dissolved |
| ENVIROFIBRE LIMITED | 05313263 | 14/12/2004 | Dissolved |
| Integrated Waste Services Ltd | 03829301 | 14/02/2000 | Dissolved |
| SMITHY WOOD MANAGEMENT COMPANY LIMITED | 06846510 | 13/03/2009 | Bronze |
| WIGLEY LAND LIMITED | 07632827 | 13/05/2011 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FITZALAN ESTATES LIMITED | 07096115 | 04/12/2009 | 28/10/2015 | Bronze |
| FOWLER SANDFORD LLP | OC392226 | 26/03/2014 | 26/03/2018 | Silver |
| INDUSTRIAL WASTE DISPOSALS (SHEFFIELD) LIMITED | 00910642 | 31/07/1997 | 31/01/2003 | Dissolved |
| PARKWOOD ENVIRONMENTAL LIMITED | 02481906 | 15/03/1991 | 31/01/2003 | Not Trading |
| PARKWOOD GROUP LIMITED | 02588422 | 05/03/1993 | 31/01/2003 | Not Trading |
| PARKWOOD RECYCLING LIMITED | 03303382 | 16/01/1997 | 06/11/2003 | Dissolved |
| SHEFFIELD WASTE DISPOSAL COMPANY LIMITED | 02482196 | 01/04/1995 | 31/01/2003 | Dissolved |
| VALENCIA WASTE (PARKWOOD) LIMITED | 01958784 | 21/12/1991 | 31/01/2003 | Not Trading |
| WHIRLOW HALL FARM LIMITED | 01416382 | 17/05/2014 | 21/09/2019 | One Red Flag |
| WHIRLOW HALL FARM TRUST LIMITED | 01432126 | 21/06/2011 | 21/09/2019 | Silver |