| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ELECTRA STAR DANCE LIMITED | 11784137 | 23/01/2019 | One Red Flag |
| Felt Paper Products Limited. | 02860997 | 01/09/2000 | Dissolved |
| Fylde Asphalt Co Ltd | 02860999 | 01/09/2000 | Dissolved |
| Hilbre Laboratories Ltd | 02861183 | 01/09/2000 | Dissolved |
| Hilglaze Polycarbonate Ltd | 02861000 | 01/09/2000 | Dissolved |
| Monoply Roofing Co Ltd | 02849197 | 01/09/2000 | Dissolved |
| Pitch Polymer Products Ltd | 02860995 | 01/09/2000 | Dissolved |
| Ruberoid Roofplan Ltd | 02861001 | 07/09/2001 | Dissolved |
| WC YOUNGMAN LIMITED | 05509920 | 03/10/2005 | Dissolved |
| YOUNGMAN HIRE AND SALES LIMITED | 05509926 | 03/10/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 00253775 LTD | 00253775 | 03/04/2000 | 01/09/2000 | Dissolved |
| APERTURE LIMITED | 02186934 | 01/09/2000 | 23/11/2004 | Dissolved |
| BRITISH ASPHALT AND BITUMEN LIMITED | NI000715 | 01/09/2000 | 23/11/2004 | One Red Flag |
| Cpl Filters Ltd | 02271631 | 09/10/1992 | 02/07/1996 | Dissolved |
| HYFLEX ROOFING LIMITED | 02849114 | 01/09/2000 | 23/11/2004 | Dissolved |
| HYLOAD LIMITED | 00814191 | 01/09/2000 | 23/11/2004 | Dissolved |
| Hilbre Laboratories Ltd | 02861183 | 26/01/1994 | 15/03/2000 | Dissolved |
| IKO HOLDINGS LIMITED | 02446447 | 01/09/2000 | 23/11/2004 | Gold |
| IKO PLC | 02678296 | 01/09/2000 | 23/11/2004 | Gold |
| IKO U.K. LIMITED | 03897526 | 01/09/2000 | 23/11/2004 | Gold |
| PERMANITE ASPHALT LIMITED | 02353126 | 01/09/2000 | 23/11/2004 | Dissolved |
| PERMANITE LIMITED | 02423586 | 26/01/1994 | 18/07/1997 | Dissolved |
| POLYGUM LIMITED | 00452935 | 01/09/2000 | 23/11/2004 | Dissolved |
| RUBEROID INTERNATIONAL LIMITED | 02860994 | 01/09/2000 | 23/11/2004 | Bronze |
| RUBEROID LIMITED | 02904444 | 15/10/2000 | 23/11/2004 | Dissolved |
| Ruberoid Roofplan Ltd | 02861001 | 15/03/1995 | 15/03/2000 | Dissolved |
| SEK HOLDINGS LIMITED | 10171817 | 22/09/2016 | 03/11/2017 | Dissolved |
| SWISH PRODUCTS | 00505296 | 26/01/1994 | 30/04/1995 | Dissolved |
| THE FLAT ROOFING ALLIANCE | 03412540 | 21/02/2001 | 14/10/2004 | Dissolved |
| THE SINGLE PLY COMPANY LIMITED | 01349826 | 29/09/1997 | 15/03/2000 | Dissolved |
| Verve Recruitment Ltd | 02860991 | 01/09/2000 | 03/10/2002 | Dissolved |
| WILLIAM BRIGGS & SONS LIMITED | 02548605 | 01/09/2000 | 26/11/2001 | Gold |
| YOUNGMAN GROUP LIMITED | 05442058 | 01/10/2005 | 15/09/2017 | Silver |