| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| European Transport Forum | 00882530 | 19/04/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Dillon Computing & Management Services Ltd | 01461514 | 06/12/1991 | 06/01/1993 | Dissolved |
| High-Point Rendel Projects Ltd | 01049735 | 24/10/1992 | 06/01/1993 | Dissolved |
| KELNIGAL (UK) LIMITED | 01899187 | 06/11/1992 | 06/01/1993 | Dissolved |
| OSCAR FABER GROUP LIMITED | 01725811 | 01/01/1996 | 30/04/1996 | Dissolved |
| OSCAR FABER TPA LIMITED | SC073900 | 11/11/1988 | 30/04/1996 | Dissolved |
| R P T Economic Studies Group Ltd | 01209113 | 06/12/1991 | 06/01/1993 | Dissolved |
| Rendel & Branch Ltd | 02224571 | 06/12/1991 | 06/01/1993 | Dissolved |
| TPI (HOLDINGS) LIMITED | 05607625 | 31/10/2005 | 31/01/2011 | Not Trading |
| TRANSPORTATION PLANNING (INTERNATIONAL) LIMITED | 03232614 | 09/08/1996 | 31/01/2011 | Not Trading |
| Transportation Planning Associates Ltd | 02776867 | 11/01/1993 | 30/04/1996 | Dissolved |