| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BEDMINSTER INTERNATIONAL (UK) LIMITED | 05543363 | 23/08/2005 | 29/05/2008 | Dissolved |
| FICHTNER CONSULTING ENGINEERS LIMITED | 02605319 | 05/09/2001 | 18/07/2002 | Gold |
| Herhof Environmental (Uk) Ltd | 04426682 | 01/01/2004 | 11/01/2005 | Dissolved |
| INCA (PROJECTS) LIMITED | 02722719 | 29/05/1998 | 24/07/2003 | Gold |
| ORGANIC WASTE MANAGEMENT LIMITED | 05020281 | 02/04/2008 | 31/07/2008 | Silver |
| SALTBURN FORWARD LIMITED | 04053916 | 08/01/2002 | 19/10/2006 | Dissolved |
| SHUKCO 344 LTD | 02128792 | 22/12/1998 | 30/06/2000 | Dissolved |
| SUEZ RECYCLING AND RECOVERY TEES VALLEY LTD | 02669578 | 18/07/1995 | 31/05/2001 | Dissolved |
| THE INDUSTRY NATURE CONSERVATION ASSOCIATION | 02345199 | 29/05/1998 | 24/07/2003 | Gold |
| Teesside Play & Education Resource Centre | 03148614 | 16/04/1996 | 12/12/2003 | Dissolved |
| YELLOWCRAIG LTD | 07727049 | 04/08/2011 | 24/09/2013 | Dissolved |