| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cross Creen Coated Roadstone Ltd | 00693167 | 01/05/2001 | Dissolved |
| Elgin Building Services Ltd | SC041545 | 09/06/1989 | Dissolved |
| Norset Ltd | 00641305 | 01/05/2001 | Dissolved |
| Raico (Northern) Ltd | 00515353 | 01/05/2001 | Dissolved |
| Raisby Engineering Ltd | 00730987 | 01/05/2001 | Dissolved |
| Raisby P1ANT Limited | 00810163 | 01/05/2001 | Dissolved |
| Tilcon Loch Aline Ltd | SC037419 | 09/06/1989 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALSTON LIMESTONE COMPANY (THE) LIMITED | 00099241 | 25/06/1996 | 17/06/2004 | Dissolved |
| ALSTON LIMESTONE COMPANY (THE) LIMITED | 00099241 | 25/06/1996 | 16/05/2005 | Dissolved |
| CMS-POZAMENT LIMITED | SC157064 | 01/05/2001 | 05/08/2005 | Insolvent |
| EAST COAST SLAG PRODUCTS LIMITED | 00330538 | 30/03/2001 | 03/02/2004 | Gold |
| EAST COAST SLAG PRODUCTS LIMITED | 00330538 | 30/03/2001 | 03/02/2004 | Gold |
| ENVIRONMENTAL AGGREGATES LIMITED | 03450086 | 01/05/1998 | 02/04/2001 | Insolvent |
| ENVIRONMENTAL AGGREGATES LIMITED | 03450086 | 01/05/1998 | 14/08/2000 | Insolvent |
| GREATER LONDON ASPHALT LIMITED | 02996702 | 31/01/1997 | 17/06/2004 | Insolvent |
| GREATER LONDON ASPHALT LIMITED | 02996702 | 31/01/1997 | 05/08/2005 | Insolvent |
| HEPPLEWHITE QUARRIES & PLANT HIRE LIMITED | 00763141 | 30/03/2001 | 17/06/2004 | Dissolved |
| Hawthorn Aggregates Ltd | 00915642 | 12/07/1991 | 05/08/2005 | Dissolved |
| Lancashire Concrete Products Ltd | 00218098 | 23/01/1998 | 01/09/1999 | Dissolved |
| Lancashire Concrete Products Ltd | 00218098 | 23/01/1998 | 21/10/1999 | Dissolved |
| MOFFATTS' (DRUMQUIN) LIMITED | NI004976 | 26/05/2000 | 05/08/2005 | Insolvent |
| McDonald & Stewart Ltd | 01127655 | 12/07/1991 | 05/08/2005 | Dissolved |
| NORTH TYNE ROADSTONE LIMITED | 00883021 | 22/02/2001 | 01/06/2004 | One Red Flag |
| Northern Roadworks Ltd | 00674174 | 12/07/1991 | 05/08/2005 | Dissolved |
| PENNINE HIGHWAYS LIMITED | 03534561 | 20/05/1998 | 04/10/2005 | Dissolved |
| POZAMENT LIMITED | SC015871 | 01/05/2001 | 05/08/2005 | Gold |
| RAISBY QUARRIES LIMITED | 00925220 | 17/03/2000 | 05/08/2005 | Insolvent |
| TARMAC CALEDONIAN LIMITED | SC176011 | 17/03/2000 | 16/05/2005 | Bronze |
| TARMAC HOLDINGS (THL) LIMITED | 00132583 | 15/12/2004 | 16/05/2005 | Not Trading |
| TARMAC LIMITED | NF003513 | 12/06/2004 | 16/05/2005 | Dissolved |
| TARMAC NORTHERN LIMITED | 03140596 | 22/05/1996 | 13/08/2004 | Not Trading |
| TARMAC NORTHERN LIMITED | 03140596 | 14/02/1996 | 16/05/2005 | Not Trading |
| TARMAC TOPLITE LIMITED | 01686794 | 17/03/2000 | 02/07/2004 | Insolvent |
| TARMAC TRADING LIMITED | 00453791 | 12/07/2004 | 16/05/2005 | Gold |
| TCR AGGREGATES LIMITED | SC040537 | 01/05/2001 | 05/08/2005 | Not Trading |
| TENDLEY QUARRIES LIMITED | 02036966 | 25/01/2001 | 19/07/2004 | Gold |
| TILCON (NORTH) LIMITED | 03734636 | 19/03/2001 | 17/06/2004 | Not Trading |
| TILCON (NORTH) LIMITED | 03734636 | 19/03/2001 | 05/08/2005 | Not Trading |
| TILCON SCOTLAND LIMITED | SC165642 | 01/05/2001 | 05/08/2005 | Not Trading |
| WADDINGTON FELL QUARRIES (HOLDINGS) LIMITED | 03513199 | 26/10/1998 | 01/09/1999 | Dissolved |
| WADDINGTON FELL QUARRIES (HOLDINGS) LIMITED | 03513199 | 26/10/1998 | 21/10/1999 | Dissolved |
| WADDINGTON FELL QUARRIES LIMITED | 00690380 | 26/10/1998 | 01/09/1999 | Dissolved |
| WADDINGTON FELL QUARRIES LIMITED | 00690380 | 26/10/1998 | 21/10/1999 | Dissolved |
| WINMIX LIMITED | 00487810 | 01/05/1991 | 02/07/2004 | Gold |