| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| RADIUS SYSTEMS GROUP LIMITED | 06481381 | 27/06/2012 | Dissolved |
| RADIUS SYSTEMS HOLDINGS LIMITED | 07890962 | 21/08/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACORN PLASTIC PIPES AND FITTINGS LIMITED | 00763156 | 30/06/2000 | 17/08/2010 | Dissolved |
| ASPECT PLASTICS LIMITED | 00984827 | 30/06/2000 | 17/08/2010 | Dissolved |
| BARTOL LIMITED | 00713365 | 30/06/2000 | 17/08/2010 | Dissolved |
| CORNWALL PLASTICS LIMITED | 00974667 | 30/06/2000 | 17/08/2010 | Dissolved |
| CUMBERWORTH PIPE LIMITED | 00596425 | 30/06/2000 | 17/08/2010 | Dissolved |
| EUROCERAMIC LIMITED | 00191453 | 30/06/2000 | 17/08/2010 | Dissolved |
| GARTMORN ASSOCIATES LIMITED | 07577365 | 24/03/2011 | 04/08/2020 | Dissolved |
| GLOW-WORM LIMITED | 01703166 | 30/06/2000 | 22/11/2004 | Dissolved |
| HENRY OAKLAND & SONS LIMITED | 00356149 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH ALLIED PRODUCTS LIMITED | 00249646 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH BRICK LIMITED | 00230138 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH BUILDING PRODUCTS (HOLDINGS) LIMITED | 00180603 | 14/06/1999 | 17/08/2010 | Amber |
| HEPWORTH BUILDING PRODUCTS (SERVICES) LIMITED | 00054556 | 30/06/2000 | 17/08/2010 | Insolvent |
| HEPWORTH BUILDING PRODUCTS INTERNATIONAL LIMITED | 00544265 | 29/02/2000 | 17/08/2010 | Dissolved |
| HEPWORTH BUILDING PRODUCTS LIMITED | 00310251 | 14/06/1999 | 17/08/2010 | Insolvent |
| HEPWORTH CLAY PRODUCTS (OVERSEAS) LIMITED | 00066613 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH COAL & CLAY COMPANY LIMITED | 00559097 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH CONCRETE LIMITED | 00832097 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH INDUSTRIAL PLASTICS LIMITED | 00510185 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH IRON COMPANY (HOLDINGS) LIMITED(THE) | 00629078 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH PLASTICS INTERNATIONAL LIMITED | 00235821 | 30/06/2000 | 17/08/2010 | Dissolved |
| HEPWORTH PLASTICS LIMITED | 00991378 | 30/06/2000 | 17/08/2010 | Dissolved |
| KETCH COUPLINGS LIMITED | 00353478 | 30/06/2000 | 17/08/2010 | Dissolved |
| NORTH BITCHBURN FIRECLAY COMPANY,LIMITED.(THE) | 00287780 | 30/06/2000 | 17/08/2010 | Dissolved |
| NRG2 LIMITED | 05366089 | 27/06/2012 | 13/09/2018 | Dissolved |
| OAK BRICK COMPANY LIMITED(THE) | 00048766 | 30/06/2000 | 17/08/2010 | Dissolved |
| RADIUS GROUP PROCUREMENT COMPANY LIMITED | 02570900 | 27/06/2012 | 13/09/2018 | Gold |
| STANDARD (BUCKLEY) LIMITED | 00574676 | 30/06/2000 | 17/08/2010 | Dissolved |
| SUPERSLEVE LIMITED | 00250347 | 30/06/2000 | 17/08/2010 | Dissolved |
| WAVIN HEPWORTH LIMITED | 00727010 | 17/01/2006 | 17/08/2010 | Dissolved |
| WAVIN LIMITED | 00405836 | 17/01/2006 | 17/08/2010 | Bronze |
| WAVIN UK (HOLDINGS) LIMITED | 05351031 | 10/05/2005 | 17/08/2010 | Amber |