| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Hillcrow Ltd | SC203268 | 31/01/2000 | Dissolved |
| Merpro (I) Ltd | SC137250 | 31/03/1992 | Dissolved |
| Merpro (I) Ltd | SC137250 | 12/06/1995 | Dissolved |
| Merpro Control Systems Ltd | SC090592 | 15/11/1989 | Dissolved |
| Merpro Rochem Ltd | SC153041 | 27/09/1994 | Dissolved |
| Merpro Tortek (Southern) Ltd | SC139061 | 26/06/1992 | Dissolved |
| Montrose Testing Services Ltd | SC079564 | 15/11/1989 | Dissolved |
| Waterautumn Ltd | SC211967 | 23/11/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GEMINI CORROSION SERVICES LIMITED | SC101799 | 22/01/2001 | 24/04/2001 | Dissolved |
| LINKS HOTEL MONTROSE LIMITED | SC116992 | 23/03/1991 | 31/08/2000 | Silver |
| LINKS HOTEL MONTROSE LIMITED | SC116992 | 23/03/1991 | 31/08/2000 | Silver |
| MERPRO GROUP LIMITED | SC067714 | 15/11/1989 | 31/08/2000 | Dissolved |
| MERPRO GROUP LIMITED | SC067714 | 15/11/1989 | 31/08/2000 | Dissolved |
| MERPRO LIMITED | SC128545 | 07/01/1991 | 31/08/2000 | Dissolved |
| MERPRO LIMITED | SC128545 | 07/01/1991 | 17/12/1996 | Dissolved |
| MERPRO MACHINING & THREADING LIMITED | SC113722 | 15/11/1989 | 31/08/2000 | Dissolved |
| MERPRO PRODUCTS LIMITED | SC137079 | 23/03/1992 | 31/08/2000 | Dissolved |
| MERPRO TORTEK LIMITED | SC135185 | 10/12/1991 | 31/08/2000 | Dissolved |
| MERPRO TORTEK LIMITED | SC135185 | 19/01/1996 | 31/08/2000 | Dissolved |
| Merpro Montassa Holdings Ltd | 02185681 | 25/01/1993 | 31/08/2000 | Dissolved |
| Merpro Montassa Holdings Ltd | 02185681 | 21/05/1993 | 31/08/2000 | Dissolved |