| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| E.P.I.C. PUBLIC LIMITED COMPANY | 00326601 | 29/06/2017 | Gold |
| OWRAM ESTATES LIMITED | 00412446 | 29/06/2017 | Bronze |
| RBI CONSULTING SERVICES LIMITED | 07871977 | 06/12/2011 | Silver |
| TARMAC LIMITED | NF003513 | 18/05/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Advanced Technical Mouldings Ltd | 00366678 | 01/06/2004 | 29/11/2005 | Dissolved |
| Aurora Plastics Ltd | 02404679 | 01/06/2004 | 29/11/2005 | Dissolved |
| B & H (Loughborough) Ltd | 02559001 | 01/06/2004 | 29/11/2005 | Dissolved |
| B.& H.(Leicester)ltd | 00811578 | 01/06/2004 | 29/11/2005 | Dissolved |
| BRITISH PRECAST CONCRETE FEDERATION LIMITED(THE) | 01209092 | 08/05/1997 | 09/05/1997 | Gold |
| CLASSICAL FLAGSTONES LIMITED | 02307139 | 01/02/2001 | 18/02/2002 | Not Trading |
| CME CHINA INVESTMENTS LIMITED | 05256338 | 02/12/2004 | 29/11/2005 | Dissolved |
| CUMBRIA STONE QUARRIES LIMITED | 00589415 | 15/06/2001 | 18/02/2002 | Dissolved |
| Cameron Plastics Ltd | 00805710 | 01/06/2004 | 29/11/2005 | Dissolved |
| Celmac Group Ltd | 02737426 | 01/06/2004 | 29/11/2005 | Dissolved |
| Cheshire Precision Shapes Ltd | 02761152 | 01/06/2004 | 29/11/2005 | Dissolved |
| Eco-Vat Ltd | 03399302 | 01/06/2004 | 29/11/2005 | Dissolved |
| GENUIT LIMITED | 03101115 | 01/06/2004 | 29/11/2005 | Insolvent |
| GEORGE MAKIN & SONS,LIMITED | 00095776 | 17/01/1992 | 13/02/2000 | Dissolved |
| Gca Windows Ltd | 02704787 | 01/06/2004 | 29/11/2005 | Dissolved |
| HANSON CLAY PRODUCTS LIMITED | 01290580 | 01/03/1999 | 18/02/2002 | Not Trading |
| HAYES PIPES (ULSTER) LIMITED | NI009595 | 01/06/2004 | 31/08/2005 | Dissolved |
| INSULATED DAMP-PROOF COURSE LIMITED | 03134569 | 01/06/2004 | 29/11/2005 | Dissolved |
| Kontinental Housecraft Ltd | 01106912 | 01/06/2004 | 29/11/2005 | Dissolved |
| LOCHARBRIGGS SANDSTONE LIMITED | SC191844 | 15/06/2001 | 18/02/2002 | Not Trading |
| MARSHALLS GROUP LIMITED | 00481574 | 01/03/1999 | 18/02/2002 | Silver |
| MARSHALLS HOVERINGHAM LIMITED | 00475677 | 01/02/2001 | 13/03/2002 | Dissolved |
| MARSHALLS MONO LIMITED | 00509579 | 29/01/1997 | 18/02/2002 | Silver |
| MASON PINDER (TOOLMAKERS) LIMITED | 01316158 | 01/06/2004 | 29/11/2005 | Dissolved |
| MPG GROUP (HOLDINGS) LTD | 05838064 | 25/01/2007 | 30/06/2009 | Dissolved |
| Midland Stom Ltd | 03205685 | 01/06/2004 | 29/11/2005 | Dissolved |
| NORFLEX LIMITED | 01059118 | 01/06/2004 | 29/11/2005 | Dissolved |
| Norflex Holdings Ltd | 02088625 | 01/06/2004 | 29/11/2005 | Dissolved |
| OASIS LEISURE PRODUCTS LIMITED | 02546737 | 01/06/2004 | 29/11/2005 | Not Trading |
| ORACSTAR LIMITED | 02273383 | 01/06/2004 | 29/11/2005 | Insolvent |
| Oracstar (1997) Ltd | 01432322 | 01/06/2004 | 29/11/2005 | Dissolved |
| PANABLOK (UK) LTD. | 02896898 | 01/02/2001 | 13/03/2002 | Not Trading |
| PARAGON PLASTICS LIMITED | 00624754 | 01/06/2004 | 29/11/2005 | Dissolved |
| PLUMBEXPRESS LIMITED | 04040435 | 01/06/2004 | 29/11/2005 | Dissolved |
| POLYPIPE (ULSTER) LIMITED | NI016612 | 01/06/2004 | 12/10/2005 | Not Trading |
| POLYPIPE BUILDING PRODUCTS LIMITED | 02729243 | 01/06/2004 | 29/11/2005 | Not Trading |
| POLYPIPE CIVILS LIMITED | 02628216 | 01/06/2004 | 04/10/2005 | Not Trading |
| POLYPIPE COMMERCIAL BUILDING SYSTEMS LIMITED | 02561775 | 01/06/2004 | 29/11/2005 | Dissolved |
| POLYPIPE LIMITED | 01099323 | 01/06/2004 | 04/10/2005 | Silver |
| POLYPIPE T.D.I. LIMITED | 02113078 | 01/06/2004 | 29/11/2005 | Dissolved |
| POLYPIPE TRADING LIMITED | 01720710 | 01/06/2004 | 29/11/2005 | Insolvent |
| POLYPIPE VENTILATION LIMITED | 01977055 | 01/06/2004 | 04/10/2005 | Insolvent |
| PREMIER PROFILES LIMITED | 02547749 | 01/06/2004 | 18/01/2005 | Dissolved |
| Plastics Spools Ltd | 01520476 | 01/06/2004 | 29/11/2005 | Dissolved |
| Polypipe Dormant Co No. 1 Ltd | 02299874 | 01/06/2004 | 29/11/2005 | Dissolved |
| Polypipe Dormant Co No. 2 Ltd | 02768112 | 01/06/2004 | 29/11/2005 | Dissolved |
| Polypipe Trustees Ltd | 03616330 | 01/06/2004 | 29/11/2005 | Dissolved |
| Procell Plastics Ltd | 01635750 | 01/06/2004 | 29/11/2005 | Dissolved |
| RHINO PROTEC LIMITED | 02834851 | 01/02/2001 | 13/03/2002 | Not Trading |
| RICKMANS LTD | 03033549 | 01/06/2004 | 18/01/2005 | Dissolved |
| ROBIMATIC LIMITED | 01507994 | 01/06/2004 | 04/10/2005 | Bronze |
| ROBINSON ASSOCIATES STONE CONSULTANTS LIMITED | 03582354 | 15/06/2001 | 18/02/2002 | Not Trading |
| Rap Group Ltd | 02816635 | 01/06/2004 | 29/11/2005 | Dissolved |
| Roman Publicity Ltd | 02371327 | 01/06/2004 | 29/11/2005 | Dissolved |
| STANCLIFFE STONE CO. LIMITED | 02419276 | 15/06/2001 | 18/02/2002 | Not Trading |
| STONE SHIPPERS LIMITED | 04118012 | 22/11/2001 | 18/02/2002 | Not Trading |
| TAPIMATIC LIMITED | 04039975 | 01/06/2004 | 29/11/2005 | Dissolved |
| TARMAC BUILDING PRODUCTS LIMITED | 04026569 | 09/12/2009 | 02/09/2011 | Gold |
| TARMAC TRADING LIMITED | 00453791 | 18/05/2009 | 02/09/2011 | Gold |
| THE BRICK DEVELOPMENT ASSOCIATION LIMITED | 00944844 | 13/09/1999 | 21/02/2002 | Gold |
| THE STANCLIFFE GROUP LIMITED | 02479428 | 15/06/2001 | 18/02/2002 | Not Trading |
| WIDDOP BINGHAM & CO. LIMITED | 00171327 | 01/09/1991 | 13/02/2000 | Silver |
| WIRQUIN LTD | 02136997 | 01/06/2004 | 04/10/2005 | One Red Flag |
| WOODCLAY LIMITED | 01601417 | 17/01/1992 | 13/02/2000 | Silver |
| in-Sink Equipment Ltd | 01374080 | 01/06/2004 | 29/11/2005 | Dissolved |