| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Blockexport Ltd | 02219138 | 21/05/1991 | Dissolved |
| P F G Consultants Ltd | 02508534 | 21/03/1992 | Dissolved |
| Perma Construction Ltd | 02227964 | 24/07/1991 | Dissolved |
| Perma Group Ltd | 02382310 | 17/10/1991 | Dissolved |
| Permacrib (Euro) Ltd | 01718219 | 22/10/1991 | Dissolved |
| Permafix Products Ltd | 02056116 | 13/11/1991 | Dissolved |
| Soiltech Ltd | 02994151 | 16/01/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PHI GROUP LIMITED | 02827777 | 16/06/1993 | 30/11/2001 | Dissolved |