| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Flying Scotsman Ltd | 02710153 | 28/04/1992 | Dissolved |
| McAlpine Humberoak Group Ltd | SC067694 | 11/07/1989 | Dissolved |
| McAlpine Offshore Structures Ltd | 01324401 | 04/07/1991 | Dissolved |
| McAlpine,Sir Robert,(Construction) Ltd | 00253836 | 07/05/1992 | Dissolved |
| McAlpine,Sir Robert,(North Eastern) Ltd | 00574064 | 06/06/1991 | Dissolved |
| McAlpine,Sir Robert,(Scotland) Ltd | SC020401 | 08/02/1989 | Dissolved |
| McAlpine,Sir Robert,(Wales) Ltd | 00406302 | 06/06/1991 | Dissolved |
| McAlpine,Sir Robert,(Yorkshire) Ltd | 00353252 | 06/06/1991 | Dissolved |
| Shiplake Court School Trust Ltd | 00760175 | 30/11/1991 | Dissolved |
| Steam Up Ltd | 01070303 | 31/10/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FAIRBRIDGE IN SCOTLAND | SC119251 | 01/06/1991 | 21/12/1995 | Dissolved |
| FAIRGROUND HERITAGE TRUST(THE) | 01978359 | 02/08/1991 | 24/11/2007 | Bronze |
| GLENDURHAM LIMITED | 00639472 | 06/06/1991 | 30/10/2006 | Dissolved |
| HUNTERSTON DEVELOPMENT COMPANY LIMITED | SC058260 | 28/02/1990 | 31/07/2006 | Dissolved |
| KVAERNER HUMBEROAK LIMITED | SC058692 | 11/07/1989 | 05/11/1993 | Not Trading |
| MCALPINE OFFSHORE LIMITED | 01112749 | 07/02/1991 | 30/10/2006 | Dissolved |
| McAlpine Sea Services Ltd | 01398148 | 30/11/1994 | 30/10/2006 | Dissolved |
| NEWARTHILL LIMITED | 01050970 | 07/06/1991 | 25/05/2006 | Bronze |
| PARK LANE AMERICA HOLDINGS LIMITED | 01389155 | 06/06/1991 | 30/10/2006 | Silver |
| SHIPLAKE COURT LIMITED | 00612809 | 30/11/1992 | 22/06/2017 | Gold |
| SIR ROBERT MCALPINE (HOLDINGS) LIMITED | 02754943 | 18/01/1994 | 30/10/2006 | Bronze |
| SIR ROBERT MCALPINE LIMITED | 00566823 | 06/06/1992 | 30/10/2006 | Bronze |
| SIR ROBERT MCALPINE MANAGEMENT CONTRACTORS LIMITED | 01157770 | 06/06/1991 | 30/10/2006 | Not Trading |
| Stockingstone Ltd | 01141250 | 06/06/1991 | 30/10/2006 | Dissolved |
| TRAMTRACK CROYDON LIMITED | 03092613 | 10/01/2000 | 06/09/2001 | Amber |
| TRAMTRACK LEASING LIMITED | 03255005 | 27/01/2000 | 06/09/2001 | Dissolved |