| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ecu International Ltd | 03383138 | 06/06/1997 | Dissolved |
| GAMEPLAN INDUSTRIES LIMITED | 03788759 | 14/06/1999 | Dissolved |
| Monoplas (Uk) Ltd | 04055856 | 01/08/2001 | Dissolved |
| Monoplas Industries Ltd | 01867398 | 23/05/2002 | Dissolved |
| P.R.I. (UK) LIMITED | 05544143 | 10/03/2009 | Dissolved |
| P.R.I. (UK) LIMITED | 05544143 | 10/03/2009 | Dissolved |
| Portland Polymer Consultants Ltd | 02125381 | 24/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Halifax Sport & Leisure Ltd | 04551683 | 30/10/2002 | 04/11/2004 | Dissolved |
| Hipper Development Ltd | 04482547 | 10/07/2002 | 01/07/2005 | Dissolved |
| L-P Systems & Services Ltd | 03048433 | 21/04/1995 | 26/04/2001 | Dissolved |
| L.P. Development Services Ltd | 03170029 | 08/03/1996 | 26/04/2001 | Dissolved |
| Monoplas Industries Ltd | 01867398 | 27/12/1991 | 16/06/2000 | Dissolved |
| P.R.I. (UK) LIMITED | 05544143 | 12/04/2006 | 06/10/2006 | Dissolved |
| PLASROCK RESEARCH & DEVELOPMENT LIMITED | 03789632 | 15/06/1999 | 14/04/2004 | Dissolved |
| PROGRESSIVE PROPERTY DEVELOPMENTS LTD | 04634005 | 08/08/2004 | 29/10/2007 | Dissolved |