| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aa Associates Ltd | 02555888 | 01/04/2005 | Dissolved |
| Environmental Management Consultants Ltd | 04331175 | 01/04/2005 | Dissolved |
| Harvey McGill & Hayes Ltd | 02732924 | 12/08/1992 | Dissolved |
| KENNEDY DALTON CONSULTANT LTD | SC431944 | 27/09/2012 | Dissolved |
| Maunsell Parsons Brinckerhoff Ltd | 02232027 | 26/11/2003 | Dissolved |
| Transportation Planning Associates Ltd | 02776867 | 01/05/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AECOM HOLDINGS LIMITED | 03745592 | 21/11/2001 | 01/01/2011 | Bronze |
| AECOM LIMITED | 01846493 | 27/02/2002 | 01/12/2010 | Gold |
| ASSOCIATION FOR CONSULTANCY AND ENGINEERING | 00132142 | 19/05/2000 | 17/05/2002 | Silver |
| BULLEN CONSULTANTS LIMITED | 03340659 | 01/04/2005 | 01/01/2011 | Not Trading |
| GAULT AND CHAMBERS, BULLEN LIMITED | NI029176 | 01/04/2005 | 31/12/2010 | Not Trading |
| MULHOLLAND & DOHERTY LIMITED | NI045133 | 28/11/2007 | 31/12/2010 | Dissolved |
| OSCAR FABER (SCOTLAND) LIMITED | SC088307 | 24/04/1990 | 01/07/2010 | Dissolved |
| OSCAR FABER CONSULT LIMITED | 01724185 | 24/10/1991 | 07/02/1994 | Dissolved |
| OSCAR FABER CONSULTING ENGINEERS LIMITED | 01724186 | 01/06/1993 | 01/08/2010 | Dissolved |
| OSCAR FABER GROUP LIMITED | 01725811 | 01/06/1995 | 01/08/2010 | Dissolved |
| OSCAR FABER PLC | 01723740 | 24/10/1991 | 01/08/2010 | Insolvent |
| OSCAR FABER SERVICES LIMITED | 02454342 | 22/07/1996 | 01/08/2010 | Dissolved |
| OSCAR FABER TPA LIMITED | SC073900 | 01/05/1996 | 01/12/2010 | Dissolved |
| OSCAR FABER TRUSTEES LIMITED | 02706993 | 07/05/1992 | 08/06/1993 | Insolvent |
| THE HILL ADAMSON | SC228027 | 16/08/2004 | 13/08/2009 | Dissolved |
| TOMORROW'S COMPANY IN SCOTLAND | SC189878 | 09/06/2000 | 24/09/2002 | Dissolved |
| TRANSCEND PARTNERS LIMITED | 06853136 | 19/03/2009 | 27/05/2010 | Silver |