| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Kennedy & Donkin Overseas Ltd | 02058508 | 14/08/2006 | Dissolved |
| Merz Associates Ltd | 00659850 | 18/07/2000 | Dissolved |
| Merz Linton Ltd | 02937573 | 08/11/1994 | Dissolved |
| RUST CONSULTING LIMITED | 02778272 | 14/08/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KENNEDY & DONKIN GENERATION & INDUSTRIAL LIMITED | 02060259 | 14/08/2006 | 31/01/2010 | Dissolved |
| KENNEDY & DONKIN LIMITED | 04103325 | 14/08/2006 | 31/01/2010 | Dissolved |
| KENNEDY & DONKIN POWER LIMITED | 01473204 | 14/08/2006 | 31/01/2010 | Dissolved |
| MERZ AND MCLELLAN CONSULTING ENGINEERS LIMITED | 03246982 | 14/05/2007 | 31/01/2010 | Dissolved |
| MERZ AND MCLELLAN LIMITED | 03627022 | 14/08/2006 | 31/01/2010 | Dissolved |
| Merz Orchard Ltd | 00707372 | 18/07/2000 | 24/04/2001 | Dissolved |
| PARSONS BRINCKERHOFF HOLDINGS LIMITED | 03640733 | 14/05/2007 | 31/01/2010 | Dissolved |
| PARSONS BRINCKERHOFF INVESTMENTS LIMITED | 03599313 | 14/05/2007 | 31/01/2010 | Dissolved |
| PARSONS BRINCKERHOFF LTD | 02554514 | 06/10/1998 | 31/01/2010 | Bronze |
| PARSONS BRINCKERHOFF OVERSEAS HOLDINGS LTD | 02678235 | 14/05/2007 | 31/01/2010 | Dissolved |
| PB FOUNDATION | 04381297 | 20/04/2007 | 31/01/2010 | Dissolved |
| Pb Power Holdings Ltd | 02560063 | 22/10/2007 | 05/11/2007 | Dissolved |
| SCOTTS SUFFERANCE WHARF LIMITED | 03480458 | 13/10/2011 | 27/04/2017 | Gold |