| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Deep Ocean Services Ltd | 01927751 | 01/09/1992 | Dissolved |
| HUNTLY SQUARE LIMITED | 03656096 | 26/10/1998 | Dissolved |
| Highlands Fabricators Pension Trustees Ltd | SC058346 | 29/10/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BROWN & ROOT EALING TECHNICAL SERVICES LIMITED | 01179643 | 03/03/1994 | 01/04/1994 | Dissolved |
| BROWN & ROOT HIGHLANDS FABRICATORS LIMITED | SC049650 | 26/06/1991 | 13/05/1994 | Not Trading |
| FIRST ENGINEERING HOLDINGS LIMITED | SC154605 | 27/03/1996 | 07/10/2002 | Dissolved |
| HUNTING - BRAE LIMITED | 02489301 | 05/04/1992 | 13/05/1994 | Dissolved |
| Halliburton Energy Services Ltd | 02104899 | 01/09/1992 | 13/05/1994 | Dissolved |
| Howard Humphreys Group Ltd | 00664287 | 01/09/1992 | 13/05/1994 | Dissolved |
| INTEGRATED DOCUMATICS LIMITED | 02129141 | 01/09/1992 | 13/05/1994 | Dissolved |
| IPEM DEVELOPMENTS LIMITED | 01483362 | 01/09/1992 | 13/05/1994 | Dissolved |
| KELLOGG BROWN & ROOT (SERVICES) LIMITED | 01218957 | 01/09/1992 | 13/05/1994 | Silver |
| KELLOGG BROWN & ROOT HOLDINGS (U.K.) LIMITED | 01870934 | 14/03/1992 | 13/05/1994 | Silver |
| KELLOGG BROWN & ROOT LIMITED | 00645125 | 01/09/1992 | 13/05/1994 | Gold |
| KELLOGG BROWN & ROOT SUSTAINABLE TECHNOLOGY SOLUTIONS LIMITED | 02035186 | 01/09/1992 | 13/05/1994 | Bronze |
| Kellogg Brown & Root (Employment) Ltd | 01354330 | 01/09/1992 | 13/05/1994 | Dissolved |
| ROCKWATER HOLDINGS LIMITED | 01535559 | 15/09/1991 | 13/05/1994 | Dissolved |
| THE WEIR GROUP PENSION TRUST LIMITED | SC059085 | 01/10/1995 | 30/08/2001 | Not Trading |
| TWG INVESTMENTS (NO.1) LIMITED | SC152727 | 16/09/1994 | 30/08/2001 | Dissolved |
| TWG INVESTMENTS (NO.2) LIMITED | SC154356 | 19/12/1994 | 26/03/1997 | Dissolved |
| TWG INVESTMENTS (NO.3) LIMITED | SC197235 | 09/06/1999 | 30/08/2001 | Bronze |
| WEIR DRILLING SERVICES LIMITED | 01740020 | 09/02/1999 | 04/12/2000 | Dissolved |
| WEIR ENGINEERING SERVICES LIMITED | SC033381 | 27/01/1999 | 30/08/2001 | Silver |
| WEIR GROUP (OVERSEAS HOLDINGS) LIMITED | SC054821 | 01/09/1994 | 30/08/2001 | Silver |
| WEIR GROUP HOLDINGS LIMITED | SC187227 | 08/07/1998 | 30/08/2001 | Bronze |
| WEIR GROUP PLC(THE) | SC002934 | 13/06/1994 | 30/08/2001 | Silver |
| WEIR GROUP SENIOR EXECUTIVES PENSION TRUST LIMITED (THE) | SC060549 | 01/10/1995 | 30/08/2001 | Dissolved |
| WEIR MINERALS EUROPE LIMITED | 00076959 | 01/09/1999 | 30/08/2001 | Silver |
| WEIR WARMAN (U.K.) LIMITED | 01636530 | 01/09/1999 | 30/08/2001 | Silver |