| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A.TURNER & SON(LONDON BUILDERS' MERCHANTS)LIMITED | 00157633 | 28/03/2000 | 12/08/2002 | Dissolved |
| AGGREGATE INDUSTRIES SOUTH WEST LIMITED | 00618547 | 01/01/1997 | 03/10/2003 | Not Trading |
| BRITISH READY MIXED CONCRETE ASSOCIATION LIMITED | 01330252 | 14/02/1996 | 21/10/1996 | Not Trading |
| CEMEX READYMIX EAST ANGLIA LIMITED | 00616299 | 30/04/1993 | 03/10/2003 | Gold |
| CEMEX UK OPERATIONS LIMITED | 00658390 | 09/07/2001 | 03/10/2003 | Gold |
| HALL AGGREGATES (EASTERN COUNTIES) LIMITED | 00503427 | 26/04/1992 | 31/12/1993 | Dissolved |
| Kent Construction Materials Ltd | 03143213 | 24/02/2000 | 30/11/2000 | Dissolved |
| MINERAL PRODUCTS ASSOCIATION LIMITED | 01634996 | 04/05/2000 | 10/07/2003 | Silver |
| NOTTINGHAM MINI MIXED CONCRETE LIMITED | 01720748 | 28/03/2000 | 31/10/2000 | Dissolved |
| PURFLEET AGGREGATES LIMITED | 01691431 | 12/12/1995 | 01/01/1997 | Amber |
| QUALITY SCHEME FOR READY MIXED CONCRETE(THE) | 01811703 | 15/02/1996 | 31/07/2003 | Gold |
| QUICKMIX CONCRETE COMPANY LIMITED | 00628524 | 26/04/1992 | 24/05/1994 | Dissolved |
| READICRETE LIMITED | 00513791 | 26/04/1992 | 31/12/1998 | Dissolved |
| READY MIXED CONCRETE (SOUTH EAST) LIMITED | 00619288 | 01/01/1997 | 31/12/1998 | Dissolved |
| READY MIXED CONCRETE (THAMES VALLEY) LIMITED | 00765611 | 26/04/1992 | 11/11/1992 | Dissolved |
| READY MIXED CONCRETE (TRANSITE) LIMITED | 00626090 | 26/04/1992 | 31/12/1998 | Dissolved |
| READY MIXED CONCRETE (WESTERN) LIMITED | 00621558 | 01/01/1997 | 31/12/1998 | Not Trading |
| READY MIXED CONCRETE(LONDON)LIMITED | 00576456 | 26/04/1992 | 31/12/1998 | Not Trading |
| READYMIX (UK) LIMITED | 00885018 | 01/07/1996 | 31/12/1998 | Dissolved |
| RMC AGGREGATES (GREATER LONDON) LIMITED | 00246052 | 01/01/1996 | 31/12/1996 | Not Trading |
| RMC LOGISTICS EASTERN LIMITED | 00493555 | 26/04/1992 | 31/12/1996 | Not Trading |
| RMC LOGISTICS SCOTLAND LIMITED | 00593234 | 01/01/1997 | 03/10/2003 | Not Trading |
| RMC MORTARS LIMITED | 00257498 | 28/03/2000 | 12/08/2002 | Dissolved |