| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Boreham Industrial Holdings Ltd | 01149760 | 30/10/1991 | Dissolved |
| Boreham Industrial Services Ltd | 01845391 | 27/10/1991 | Dissolved |
| PIPEWORK SYSTEMS (U.K.) LIMITED | 01344551 | 04/07/1991 | One Red Flag |
| Pipework Supplies (Southern) Ltd | 01944514 | 04/07/1991 | Dissolved |
| Pipework Systems (International) Ltd | 01944515 | 04/07/1991 | Dissolved |
| Plant Hire (Doncaster) Limited | 01798451 | 04/07/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| P S Group Plc | 01232353 | 04/07/1991 | 02/11/1992 | Dissolved |
| Pipework Supplies (Northern) Ltd | 02318401 | 17/11/1991 | 13/03/1992 | Dissolved |