| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Amber Chase Associates Ltd | 02685835 | 10/02/1992 | Dissolved |
| Applied Geology (South Wasles) Ltd | 02678249 | 02/08/2000 | Dissolved |
| Arksure Ltd | 03069592 | 19/06/1995 | Dissolved |
| C M Construction (Uk) Ltd | 02911304 | 22/03/1994 | Dissolved |
| Clan Services Limited | 02325157 | 26/10/1991 | Dissolved |
| Downfield Services Ltd | 02221557 | 25/08/2000 | Dissolved |
| H.S.C.Investments Ltd | 02171090 | 07/02/1992 | Dissolved |
| H.S.C.Investments Ltd | 02171090 | 07/02/1992 | Dissolved |
| K & D Certification Services Ltd | 02010715 | 25/08/2000 | Dissolved |
| K H Associates Ltd | 02398190 | 02/08/2000 | Dissolved |
| Kennedy & Donkin Quality Engineering Ltd | 02060233 | 02/08/2000 | Dissolved |
| Parsons Brinckerhoff (Europe) Ltd | 02887298 | 16/04/1999 | Dissolved |
| Parsons Brinckerhoff Aviation Ltd | 04115247 | 11/05/2001 | Dissolved |
| Parsons Brinckerhoff Built Environment Ltd | 04022344 | 02/08/2000 | Dissolved |
| Parsons Brinckerhoff Programme Management Ltd | 03919454 | 08/08/2002 | Dissolved |
| Parsons Brinckerhoff Technologies Ltd | 04022334 | 02/08/2000 | Dissolved |
| Waste Regeneration Ltd | 05027837 | 02/02/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHANNEL TUNNEL RAIL LINK LIMITED | 02315379 | 25/03/1994 | 06/02/1996 | Dissolved |
| CHANNEL TUNNEL RAIL LINK LIMITED | 02315379 | 24/09/1992 | 06/02/1996 | Dissolved |
| KENNEDY & DONKIN GENERATION & INDUSTRIAL LIMITED | 02060259 | 02/08/2000 | 13/10/2003 | Dissolved |
| KENNEDY & DONKIN LIMITED | 04103325 | 12/02/2001 | 13/10/2003 | Dissolved |
| KENNEDY & DONKIN POWER LIMITED | 01473204 | 25/08/2000 | 13/10/2003 | Dissolved |
| KENNEDY & DONKIN TRANSPORTATION LIMITED | 01615781 | 25/08/2000 | 22/05/2003 | Dissolved |
| Kennedy & Donkin Building Services Ltd | 02060238 | 25/08/2000 | 13/10/2003 | Dissolved |
| Kennedy & Donkin Overseas Ltd | 02058508 | 02/08/2000 | 13/10/2003 | Dissolved |
| Kennedy & Donkin Systems Control Ltd | 01578139 | 02/08/2000 | 13/10/2003 | Dissolved |
| Kennedy & Donkin Trustees Ltd | 02336148 | 03/05/2002 | 13/10/2003 | Dissolved |
| Maunsell Parsons Brinckerhoff Ltd | 02232027 | 29/06/2000 | 10/11/2003 | Dissolved |
| PARSONS BRINCKERHOFF CONSTRUCTORS LIMITED | 04022339 | 02/08/2000 | 18/07/2003 | Dissolved |
| PARSONS BRINCKERHOFF GROUP HOLDINGS LTD | 03515454 | 01/04/1998 | 22/05/2003 | Dissolved |
| PARSONS BRINCKERHOFF INVESTMENTS LIMITED | 03599313 | 30/10/1998 | 22/05/2003 | Dissolved |
| PARSONS BRINCKERHOFF OVERSEAS HOLDINGS LTD | 02678235 | 05/09/1997 | 22/05/2003 | Dissolved |
| PB LTD | 00656314 | 05/09/1997 | 22/05/2003 | Not Trading |
| Parsons Brinckerhoff Group Services Ltd | 03815592 | 06/03/2000 | 28/05/2002 | Dissolved |
| RUST CONSULTING LIMITED | 02778272 | 25/08/2000 | 13/10/2003 | Dissolved |
| SOUTHDOWNS VILLAGE LIMITED | 02566997 | 20/04/1994 | 01/05/1995 | One Red Flag |
| SOUTHDOWNS VILLAGE LIMITED | 02566997 | 16/03/1994 | 31/03/1995 | One Red Flag |
| WESTBOURNE GARDENS (FOLKESTONE) MANAGEMENT COMPANY LIMITED | 03030449 | 22/08/1995 | 26/11/1998 | Gold |