| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Environmental Services Association Research Trust Ltd | 03336185 | 08/02/2000 | Dissolved |
| Environmental Services Training & Education Trust Ltd | 03427811 | 08/02/2000 | Dissolved |
| Esa Business Services Ltd | 06861351 | 27/03/2009 | Dissolved |
| Esa Business Services Ltd | 06861351 | 29/03/2010 | Dissolved |
| HOPE ENVIRONMENT UK LTD | 09382689 | 12/01/2015 | Dissolved |
| Helmwise Ltd | 01711829 | 13/03/1989 | Dissolved |
| Wastenet Ltd | 04710368 | 17/03/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CIWM ENTERPRISES LTD | 02731563 | 11/06/2008 | 13/06/2017 | Gold |
| Chimegate Ltd | 01807296 | 26/09/1991 | 04/04/1995 | Dissolved |
| Chimegate Ltd | 01807296 | 26/09/1991 | 28/02/1996 | Dissolved |
| ENERGY FROM WASTE ASSOCIATION LIMITED | 04344294 | 21/12/2001 | 17/12/2014 | Not Trading |
| ENERGY FROM WASTE ASSOCIATION LIMITED | 04344294 | 29/03/2010 | 17/12/2014 | Not Trading |
| ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | 00962961 | 04/12/1995 | 15/12/2014 | Silver |
| Gus Davies (1984) Ltd | 00669707 | 26/09/1991 | 04/04/1995 | Dissolved |
| Gus Davies (1984) Ltd | 00669707 | 26/09/1991 | 01/10/2002 | Dissolved |
| INSTITUTE OF WASTES MANAGEMENT | 00229724 | 24/09/1998 | 17/06/2002 | Not Trading |
| NATIONAL ASSOCIATION OF WASTE DISPOSAL CONTRACTORS LIMITED | 03085091 | 04/11/1996 | 16/11/2014 | Not Trading |
| NATIONAL ASSOCIATION OF WASTE DISPOSAL CONTRACTORS LIMITED | 03085091 | 20/03/2010 | 15/11/2014 | Not Trading |
| NAWDC LIMITED | 03023620 | 18/03/1996 | 16/12/2014 | Not Trading |
| NAWDC LIMITED | 03023620 | 29/03/2010 | 15/12/2014 | Not Trading |
| NORTHERN IRELAND ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | NI040633 | 29/03/2010 | 16/12/2014 | Dissolved |
| RECYCLING REGISTRATION SERVICE LIMITED | 05608917 | 01/11/2005 | 16/12/2014 | Dissolved |
| RECYCLING REGISTRATION SERVICE LIMITED | 05608917 | 17/01/2008 | 16/12/2014 | Dissolved |
| ROKEBY EDUCATIONAL TRUST LIMITED | 00872414 | 05/03/1993 | 12/05/2003 | Gold |
| SAND & BALLAST HAULIERS & ALLIED TRADES ALLIANCE LIMITED | 00385731 | 01/04/1997 | 15/12/2014 | Not Trading |
| SAND & BALLAST HAULIERS & ALLIED TRADES ALLIANCE LIMITED | 00385731 | 29/03/2010 | 15/12/2014 | Not Trading |
| SCOTTISH ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | SC206350 | 17/04/2000 | 14/12/2014 | Dissolved |
| SCOTTISH ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | SC206350 | 29/03/2010 | 14/12/2014 | Dissolved |
| Sensejust Ltd | 02516784 | 29/06/1991 | 04/04/1995 | Dissolved |
| Sensejust Ltd | 02516784 | 29/06/1991 | 31/12/2001 | Dissolved |
| THE ASSOCIATION OF ENVIRONMENTAL SERVICE INDUSTRIES LIMITED | 03085081 | 18/03/1996 | 15/12/2014 | Not Trading |
| THE ASSOCIATION OF ENVIRONMENTAL SERVICE INDUSTRIES LIMITED | 03085081 | 29/03/2010 | 15/12/2014 | Not Trading |
| THE ENVIRONMENTAL MANAGEMENT ASSOCIATION LIMITED | 03085188 | 18/03/1996 | 15/12/2014 | Not Trading |
| THE ENVIRONMENTAL MANAGEMENT ASSOCIATION LIMITED | 03085188 | 28/07/1995 | 18/03/1996 | Not Trading |
| THE WASTE MANAGEMENT ASSOCIATION LIMITED | 03085181 | 18/03/1996 | 15/12/2014 | Not Trading |
| THE WASTE MANAGEMENT ASSOCIATION LIMITED | 03085181 | 29/03/2010 | 15/12/2014 | Not Trading |
| THE WASTE MANAGEMENT INDUSTRY TRAINING AND ADVISORY BOARD | 02332283 | 19/01/2006 | 22/09/2016 | Dissolved |
| THE WASTE MANAGEMENT INDUSTRY TRAINING AND ADVISORY BOARD | 02332283 | 11/09/2003 | 25/07/2016 | Dissolved |
| WASTE ENVIRONMENTAL EDUCATION RESEARCH TRUST LIMITED | 06036372 | 22/12/2006 | 06/12/2016 | Amber |
| WASTE ENVIRONMENTAL EDUCATION RESEARCH TRUST LIMITED | 06036372 | 22/12/2006 | 08/09/2008 | Amber |
| WELSH ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | 03961848 | 28/03/2000 | 14/12/2014 | Not Trading |
| WELSH ENVIRONMENTAL SERVICES ASSOCIATION LIMITED | 03961848 | 29/03/2010 | 15/12/2014 | Not Trading |