| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ELPHICK CONSULTING LTD | 06922010 | 02/06/2009 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CADENT GAS LIMITED | 10080864 | 08/09/2016 | 24/07/2017 | Bronze |
| NATIONAL GAS TRANSMISSION PLC | 02006000 | 01/04/2014 | 31/01/2023 | Silver |
| NATIONAL GRID ELECTRICITY TRANSMISSION PLC | 02366977 | 01/04/2014 | 17/03/2022 | Silver |
| NORWEPP (GENERAL PARTNER) LIMITED | 05894706 | 20/01/2011 | 06/10/2011 | Dissolved |
| NORWEPP (NWDA SUBSIDIARY) LIMITED | 06009418 | 11/03/2011 | 26/01/2012 | Amber |
| PERCEPTIVE ENGINEERING LIMITED | 04589932 | 01/04/2011 | 31/01/2018 | Gold |
| REMSOFT LIMITED | 05917973 | 14/07/2011 | 03/05/2012 | Dissolved |
| RIVINGTON HERITAGE TRUST | 03349084 | 02/02/2006 | 20/02/2007 | One Red Flag |
| THE LANCASHIRE WILDLIFE TRUST LTD | 00731548 | 26/07/2010 | 05/10/2019 | Silver |
| THE UK BUSINESS COUNCIL FOR SUSTAINABLE ENERGY | 04275546 | 30/11/2006 | 12/12/2007 | Dissolved |
| UNITED UTILITIES NORTH WEST LIMITED | 04146378 | 01/04/2008 | 15/05/2009 | Gold |
| UNITED UTILITIES WATER LIMITED | 02366678 | 01/10/1997 | 27/05/2009 | Silver |
| WATER PLUS LIMITED | 04141390 | 19/01/2006 | 04/06/2007 | Bronze |
| WATER UK | 03539600 | 16/03/2007 | 01/06/2009 | Silver |