| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Paul Martin | 03336781 | 27/09/2007 | Dissolved |
| Sacred Heart Chew Magna | 03370842 | 14/06/2005 | Dissolved |
| TONKIN CONSULTING LIMITED | 10282973 | 16/07/2016 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATKINSRÉALIS RAIL LIMITED | 01026689 | 18/05/2005 | 31/05/2012 | Silver |
| ATKINSRÉALIS UK INTERNATIONAL LIMITED | 01091953 | 12/07/2006 | 30/12/2014 | Silver |
| ATKINSRÉALIS UK LIMITED | 00688424 | 12/07/2006 | 30/12/2014 | Silver |
| Arcodirect Ltd | 02457128 | 13/09/2001 | 31/07/2004 | Dissolved |
| Arcosec Ltd | 02457232 | 13/09/2001 | 31/07/2004 | Dissolved |
| CARNELIAN LIMITED | 03288677 | 18/05/2005 | 31/10/2009 | Dissolved |
| EDBROOKE TENANTS ASSOCIATION LIMITED | 01568665 | 20/12/2006 | 31/01/2017 | One Red Flag |
| Gamble Waste Ltd | 03807932 | 01/01/2003 | 31/07/2004 | Dissolved |
| HANSON AGGREGATES SOUTH WALES LIMITED | 00685718 | 28/08/2003 | 31/07/2004 | Not Trading |
| HANSON BATH AND PORTLAND STONE LIMITED | 00678777 | 20/06/1996 | 31/07/2004 | Not Trading |
| HANSON LAND DEVELOPMENT LIMITED | 00602854 | 11/07/2003 | 31/07/2004 | Not Trading |
| HANSON QUARRY PRODUCTS EUROPE LIMITED | 00300002 | 13/09/2001 | 31/07/2004 | Gold |
| HANSON QUARRY PRODUCTS TRADE FINANCE LIMITED | 00871965 | 11/07/2003 | 31/07/2004 | Not Trading |
| HIPS (TRUSTEES) LIMITED | 03942183 | 01/01/2004 | 31/07/2004 | Not Trading |
| Kent Construction Materials Ltd | 03143213 | 17/09/2002 | 31/07/2004 | Dissolved |
| MENDIP RAIL LIMITED | 02747203 | 18/12/2001 | 31/07/2004 | Amber |
| MIDLAND QUARRY PRODUCTS LIMITED | 03173418 | 30/06/2003 | 31/07/2004 | Silver |
| MIXCONCRETE HOLDINGS LIMITED | 00838308 | 11/07/2003 | 31/07/2004 | Not Trading |
| MIXCONCRETE LIMITED | 00517461 | 11/07/2003 | 31/07/2004 | Not Trading |
| MOLD TAR MACADAM CO.LIMITED | 00425829 | 11/07/2003 | 31/07/2004 | Dissolved |
| NETWORK TRAIN ENGINEERING SERVICES LIMITED | 03062723 | 18/05/2005 | 31/10/2009 | Dissolved |
| OPAL ENGINEERING LIMITED | 03204631 | 18/05/2005 | 31/10/2009 | Dissolved |
| PINDEN PLANT & PROCESSING CO. LIMITED(THE) | 01594401 | 01/01/2003 | 31/07/2004 | Not Trading |
| PIONEER AGGREGATES(UK)LIMITED | 00648560 | 11/07/2003 | 31/07/2004 | Not Trading |
| PIONEER ASPHALTS (U.K.) LIMITED | 01358811 | 10/07/2003 | 31/07/2004 | Not Trading |
| PIONEER CONCRETE HOLDINGS LIMITED | 00741624 | 11/07/2003 | 31/07/2004 | Not Trading |
| PIONEER CONCRETE(U.K.)LIMITED | 00371217 | 26/07/2002 | 31/07/2004 | Not Trading |
| RAILWAY INDUSTRY ASSOCIATION | 10036044 | 05/04/2017 | 02/06/2024 | Silver |
| Recycled Rock & Aggregate Ltd | 03060314 | 11/02/1997 | 31/07/1998 | Dissolved |
| T.G. Concrete (Anglia) Ltd | 02702635 | 11/07/2003 | 31/07/2004 | Dissolved |
| TMC PIONEER AGGREGATES LIMITED | 00512785 | 11/07/2003 | 31/07/2004 | Not Trading |
| WINEHOLM LIMITED | 03311709 | 01/01/2003 | 31/07/2004 | Not Trading |
| WS ATKINS CEDAC LIMITED | 03035951 | 18/05/2005 | 31/10/2009 | Dissolved |
| WS ATKINS POWERTRACK LIMITED | 03033350 | 18/05/2005 | 31/10/2009 | Dissolved |