| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Ayrtec Ltd | 02215727 | 14/09/1992 | 29/09/1993 | Dissolved |
| BOWEY GROUP LIMITED | 00424358 | 15/11/1999 | 28/03/2002 | Dissolved |
| HALL & PARTNERS (CONTRACT MANAGEMENT) LIMITED | 02198740 | 23/06/1997 | 30/09/1998 | Dissolved |
| HAWKPOST LIMITED | 04353891 | 23/01/2002 | 31/10/2003 | Bronze |
| JOHN LAING CONSTRUCTION LIMITED | 00172161 | 31/05/1992 | 31/03/1996 | Amber |
| LAING CONSTRUCTION LIMITED | 03074000 | 29/06/1995 | 31/03/1996 | Gold |
| LAING MANAGEMENT (SCOTLAND) LIMITED | SC075712 | 31/05/1989 | 31/03/1996 | Dissolved |
| LAING MANAGEMENT LIMITED | 01488784 | 31/05/1992 | 04/10/1996 | Dissolved |
| Laing-Loy Management Ltd | 01708026 | 31/05/1991 | 04/10/1996 | Dissolved |
| SURGO CONSTRUCTION LIMITED | 00235552 | 05/11/1999 | 31/10/2003 | Insolvent |
| Ward Electrical Ltd | 01026473 | 01/12/1999 | 26/03/2002 | Dissolved |