| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Zelco U.K. Ltd | 05244210 | 29/09/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGGREGATE INDUSTRIES UK LIMITED | 00245717 | 03/02/1997 | 03/01/2001 | Bronze |
| CAMBRIAN STONE LIMITED | 01579754 | 01/01/1993 | 01/03/1996 | Gold |
| CNL ASPHALT LIMITED | 02998243 | 18/08/1997 | 03/01/2001 | Dissolved |
| CNL MINERALS LIMITED | 02998367 | 18/08/1997 | 03/01/2001 | Not Trading |
| COTSWOLD AGGREGATES LIMITED | 03156667 | 10/03/1998 | 03/01/2001 | Dissolved |
| EUSTON HOLDINGS LIMITED | 02465642 | 09/10/1997 | 03/01/2001 | Dissolved |
| Hull Concrete Ltd | 00978568 | 28/12/1992 | 03/07/1995 | Dissolved |
| LANDREC LIMITED | 03471365 | 04/12/1997 | 03/01/2001 | Dissolved |
| MID ESSEX (ASPHALT) LIMITED | 03950432 | 16/05/2000 | 03/01/2001 | Not Trading |
| Meldon Quarry Ltd | 02236070 | 21/08/1997 | 03/01/2001 | Dissolved |
| PHILGLOW LIMITED | 01200683 | 03/02/1997 | 03/01/2001 | Dissolved |
| RESTORED PROPERTIES LIMITED | 00369261 | 18/08/1997 | 03/01/2001 | Not Trading |
| TARMAC ASPHALT LIMITED | 00390837 | 01/01/1993 | 28/03/1996 | Not Trading |
| TARMAC MINERALS LIMITED | 01463164 | 01/01/1993 | 28/03/1996 | Gold |
| TENDLEY QUARRIES LIMITED | 02036966 | 04/02/1997 | 03/09/1997 | Gold |