| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Allott & Lomax | 01209355 | 31/12/2002 | Dissolved |
| Allott & Lomax | 01209355 | 14/01/2000 | Dissolved |
| Allott Environmental Processes Ltd | 02523347 | 13/12/2005 | Dissolved |
| Babtie Dobbie Ltd | 02488043 | 22/10/1991 | Dissolved |
| Babtie Electrical & Mechanical Ltd | SC090901 | 31/12/2002 | Dissolved |
| Babtie Environmental Ltd | SC120441 | 10/10/1991 | Dissolved |
| Babtie Geotechnical Ltd | SC074060 | 31/12/2002 | Dissolved |
| Babtie Health Ltd | SC153410 | 31/12/2002 | Dissolved |
| Babtie Traffic & Transportation Ltd | SC093783 | 31/12/2002 | Dissolved |
| Brindford Ltd | 01391979 | 31/12/2002 | Dissolved |
| Brindford Ltd | 01391979 | 14/01/2000 | Dissolved |
| Ceramic Industrial Projects Ltd | 01344946 | 31/12/2002 | Dissolved |
| Fairbairn Services Ltd | 01787030 | 31/12/2002 | Dissolved |
| Fairbairn Services Ltd | 01787030 | 14/01/2000 | Dissolved |
| Gower Associates Ltd | 02210806 | 31/12/2002 | Dissolved |
| Harris & Sutherland Holdings Ltd | 02364639 | 23/06/1997 | Dissolved |
| Harris & Sutherland Ltd | 01282666 | 23/06/1997 | Dissolved |
| Murdoch Green Management Ltd | 02624833 | 31/12/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Allott Environmental Processes Ltd | 02523347 | 31/12/2002 | 13/12/2005 | Dissolved |
| BABTIE INTERNATIONAL LIMITED | SC062616 | 01/01/1992 | 22/12/2006 | Dissolved |
| BABTIE SHAW & MORTON LIMITED | SC142020 | 08/01/1993 | 22/12/2006 | Dissolved |
| GIBB LTD | 03281002 | 05/04/2005 | 22/12/2006 | Dissolved |
| JACOBS EUROPEAN HOLDINGS LIMITED | 01331542 | 14/01/2000 | 27/09/2005 | Dissolved |
| JACOBS EUROPEAN HOLDINGS LIMITED | 01331542 | 14/01/2000 | 22/12/2006 | Dissolved |
| JACOBS ONE LIMITED | SC141100 | 01/01/1996 | 12/08/2004 | Silver |
| JACOBS ONE LIMITED | SC141100 | 01/01/1995 | 04/01/2007 | Silver |
| JACOBS SKM LIMITED | 02664685 | 31/12/2002 | 22/12/2006 | Dissolved |
| JACOBS U.K. LIMITED | 02594504 | 29/11/2004 | 12/01/2007 | Bronze |
| JACOBSGIBB LTD | 02387707 | 29/11/2004 | 22/12/2006 | Silver |
| LEIGHFISHER U.K. LIMITED | 02653755 | 27/09/2005 | 22/12/2006 | Dissolved |
| PARTNERS FOR INFRASTRUCTURE LIMITED | 01331748 | 31/12/2002 | 27/09/2005 | Strike Off |
| PARTNERS FOR INFRASTRUCTURE LIMITED | 01331748 | 14/01/2000 | 22/12/2006 | Strike Off |