| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CASTLE HARLAN-POLYPIPE EDUCATIONAL TRUST LIMITED | 06618782 | 12/06/2008 | Dissolved |
| M & P Consultants Llp | OC316093 | 10/11/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 01295019 LIMITED | 01295019 | 02/01/2001 | 01/06/2004 | Dissolved |
| Advanced Technical Mouldings Ltd | 00366678 | 20/10/1991 | 01/06/2004 | Dissolved |
| Aurora Plastics Ltd | 02404679 | 17/07/1991 | 01/06/2004 | Dissolved |
| Autoplas (N I) Ltd | NI008322 | 23/07/1971 | 01/06/2004 | Dissolved |
| B & H (Loughborough) Ltd | 02559001 | 02/04/1997 | 01/06/2004 | Dissolved |
| B.& H.(Leicester)ltd | 00811578 | 02/04/1997 | 01/06/2004 | Dissolved |
| Cameron Plastics Ltd | 00805710 | 12/01/1996 | 01/06/2004 | Dissolved |
| Celmac Group Ltd | 02737426 | 01/05/1997 | 01/06/2004 | Dissolved |
| Cheshire Precision Shapes Ltd | 02761152 | 02/11/1993 | 01/06/2004 | Dissolved |
| Eco-Vat Ltd | 03399302 | 26/01/2001 | 01/06/2004 | Dissolved |
| GENUIT LIMITED | 03101115 | 31/10/2000 | 01/06/2004 | Insolvent |
| Gca Windows Ltd | 02704787 | 26/05/1993 | 01/06/2004 | Dissolved |
| HAYES PIPES (ULSTER) LIMITED | NI009595 | 09/07/1973 | 01/06/2004 | Dissolved |
| INSULATED DAMP-PROOF COURSE LIMITED | 03134569 | 31/01/1997 | 01/06/2004 | Dissolved |
| Kontinental Housecraft Ltd | 01106912 | 24/07/1998 | 01/06/2004 | Dissolved |
| MASON PINDER (TOOLMAKERS) LIMITED | 01316158 | 14/11/1992 | 01/06/2004 | Dissolved |
| Midland Stom Ltd | 03205685 | 24/10/1996 | 01/06/2004 | Dissolved |
| NORFLEX LIMITED | 01059118 | 04/10/1996 | 01/06/2004 | Dissolved |
| Norflex Holdings Ltd | 02088625 | 04/10/1996 | 01/06/2004 | Dissolved |
| OASIS LEISURE PRODUCTS LIMITED | 02546737 | 08/10/1991 | 01/06/2004 | Not Trading |
| ORACSTAR LIMITED | 02273383 | 07/08/2000 | 01/06/2004 | Insolvent |
| Oracstar (1997) Ltd | 01432322 | 07/08/2000 | 01/06/2004 | Dissolved |
| PARAGON PLASTICS LIMITED | 00624754 | 14/11/1991 | 01/06/2004 | Dissolved |
| PLUMBEXPRESS LIMITED | 04040435 | 24/08/2001 | 01/06/2004 | Dissolved |
| PLUMBEXPRESS LIMITED | 04040435 | 19/02/2001 | 01/06/2004 | Dissolved |
| POLYPIPE (ULSTER) LIMITED | NI016612 | 19/04/1983 | 01/06/2004 | Not Trading |
| POLYPIPE BUILDING PRODUCTS LIMITED | 02729243 | 26/05/1993 | 01/06/2004 | Not Trading |
| POLYPIPE CIVILS LIMITED | 02628216 | 10/07/1992 | 01/06/2004 | Not Trading |
| POLYPIPE COMMERCIAL BUILDING SYSTEMS LIMITED | 02561775 | 22/05/1998 | 01/06/2004 | Dissolved |
| POLYPIPE LIMITED | 01099323 | 14/11/1991 | 01/06/2004 | Silver |
| POLYPIPE T.D.I. LIMITED | 02113078 | 31/01/1997 | 01/06/2004 | Dissolved |
| POLYPIPE TRADING LIMITED | 01720710 | 17/11/1991 | 01/06/2004 | Insolvent |
| POLYPIPE VENTILATION LIMITED | 01977055 | 24/07/1998 | 01/06/2004 | Insolvent |
| PREMIER PROFILES LIMITED | 02547749 | 11/10/1991 | 01/06/2004 | Dissolved |
| Plastics Spools Ltd | 01520476 | 13/06/2000 | 01/06/2004 | Dissolved |
| Polypipe Dormant Co No. 1 Ltd | 02299874 | 13/06/2000 | 01/06/2004 | Dissolved |
| Polypipe Dormant Co No. 2 Ltd | 02768112 | 01/12/1998 | 01/06/2004 | Dissolved |
| Polypipe Trustees Ltd | 03616330 | 12/10/1998 | 01/06/2004 | Dissolved |
| Procell Plastics Ltd | 01635750 | 14/11/1991 | 01/06/2004 | Dissolved |
| RICKMANS LTD | 03033549 | 02/01/2001 | 15/01/2003 | Dissolved |
| ROBIMATIC LIMITED | 01507994 | 07/08/2000 | 01/06/2004 | Bronze |
| Rap Group Ltd | 02816635 | 02/04/1997 | 01/06/2004 | Dissolved |
| Roman Publicity Ltd | 02371327 | 07/08/2000 | 01/06/2004 | Dissolved |
| ST LEGER HOMES OF DONCASTER LIMITED | 05564649 | 01/11/2006 | 18/08/2008 | Amber |
| TAPIMATIC LIMITED | 04039975 | 26/02/2001 | 01/06/2004 | Dissolved |
| WIRQUIN LTD | 02136997 | 14/11/1992 | 01/06/2004 | One Red Flag |
| in-Sink Equipment Ltd | 01374080 | 14/11/1991 | 01/06/2004 | Dissolved |