| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| TARMAC NORTHERN LIMITED | NF003614 | 25/07/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANGLO AMERICAN AUSTRALIA INVESTMENTS LIMITED | 03140148 | 14/02/1996 | 24/06/1996 | Amber |
| BARONSCOURT QUARRIES LIMITED | NI025315 | 26/05/2000 | 12/03/2002 | Dissolved |
| CMS-POZAMENT LIMITED | SC157064 | 08/01/1998 | 01/05/2001 | Insolvent |
| Cross Creen Coated Roadstone Ltd | 00693167 | 09/07/1999 | 01/05/2001 | Dissolved |
| David Struthers Ltd | SC037704 | 23/03/1989 | 28/04/1989 | Dissolved |
| David Struthers Ltd | SC037704 | 23/03/1989 | 14/12/1995 | Dissolved |
| Elgin Building Services Ltd | SC041545 | 09/06/1989 | 21/07/1989 | Dissolved |
| G.B.S.Finance Limited | SC015676 | 23/03/1989 | 28/04/1989 | Dissolved |
| G.B.S.Finance Limited | SC015676 | 23/03/1989 | 14/12/1995 | Dissolved |
| Geddes,George,Ltd | SC037869 | 23/03/1989 | 28/04/1989 | Dissolved |
| Geddes,George,Ltd | SC037869 | 23/03/1989 | 14/12/1995 | Dissolved |
| Gradings Limited | SC027980 | 12/07/1990 | 14/12/1995 | Dissolved |
| HEPPLEWHITE QUARRIES & PLANT HIRE LIMITED | 00763141 | 09/07/1999 | 01/05/2001 | Dissolved |
| Houston Quarry Company Limited | SC021326 | 23/03/1989 | 28/04/1989 | Dissolved |
| Houston Quarry Company Limited | SC021326 | 23/03/1989 | 14/12/1995 | Dissolved |
| Lime-Sand Mortar of Scotland Ltd | SC018849 | 23/03/1989 | 28/04/1989 | Dissolved |
| Lime-Sand Mortar of Scotland Ltd | SC018849 | 23/03/1989 | 14/12/1995 | Dissolved |
| MINERAL PRODUCTS ASSOCIATION LIMITED | 01634996 | 19/04/1994 | 09/07/1998 | Silver |
| NORTH TYNE ROADSTONE LIMITED | 00883021 | 22/02/2001 | 01/05/2001 | One Red Flag |
| Norset Ltd | 00641305 | 09/07/1999 | 01/05/2001 | Dissolved |
| Northmix Concrete (Scotland) Ltd | SC034006 | 23/03/1989 | 28/04/1989 | Dissolved |
| Northmix Concrete (Scotland) Ltd | SC034006 | 23/03/1989 | 14/12/1995 | Dissolved |
| POZAMENT LIMITED | SC015871 | 08/01/1998 | 01/05/2001 | Gold |
| Raico (Northern) Ltd | 00515353 | 09/07/1999 | 01/05/2001 | Dissolved |
| Raisby Engineering Ltd | 00730987 | 09/07/1999 | 01/05/2001 | Dissolved |
| Raisby P1ANT Limited | 00810163 | 09/07/1999 | 01/05/2001 | Dissolved |
| Slater's Lime (Scotland) Ltd | SC033628 | 23/03/1989 | 28/04/1989 | Dissolved |
| Slater's Lime (Scotland) Ltd | SC033628 | 23/03/1989 | 14/12/1995 | Dissolved |
| Slater's,A,Haulage (Scotland) Ltd | SC033972 | 23/03/1989 | 28/04/1989 | Dissolved |
| Slater's,A,Haulage (Scotland) Ltd | SC033972 | 23/03/1989 | 14/12/1995 | Dissolved |
| TARMAC CALEDONIAN LIMITED | SC176011 | 13/06/1997 | 01/05/2001 | Bronze |
| TARMAC CENTRAL LIMITED | 03140503 | 03/05/2001 | 31/03/2005 | Not Trading |
| TARMAC CONCRETE PRODUCTS LIMITED | 00605156 | 18/06/2001 | 31/03/2005 | Insolvent |
| TARMAC HOLDINGS (THL) LIMITED | 00132583 | 15/12/2004 | 31/03/2005 | Not Trading |
| TARMAC NORTHERN LIMITED | 03140596 | 23/02/1999 | 31/03/2005 | Not Trading |
| TARMAC SOUTHERN LIMITED | 00415260 | 12/06/2001 | 31/03/2005 | Dissolved |
| TARMAC TOPLITE LIMITED | 01686794 | 09/07/1999 | 01/05/2001 | Insolvent |
| TARMAC TRADING LIMITED | 00453791 | 31/12/2000 | 31/03/2005 | Gold |
| TARMAC WESTERN LIMITED | 01640664 | 02/05/2001 | 08/09/2004 | Not Trading |
| TCR AGGREGATES LIMITED | SC040537 | 09/06/1989 | 25/07/1990 | Not Trading |
| TCR AGGREGATES LIMITED | SC040537 | 09/06/1989 | 01/05/2001 | Not Trading |
| TENDLEY QUARRIES LIMITED | 02036966 | 25/01/2001 | 30/04/2001 | Gold |
| TILCON SCOTLAND LIMITED | SC165642 | 24/06/1996 | 01/05/2001 | Not Trading |
| TILCON SERVICES LIMITED | 00508685 | 27/04/1994 | 25/08/1998 | Not Trading |
| Tilcon Loch Aline Ltd | SC037419 | 09/06/1989 | 01/05/2001 | Dissolved |
| WINMIX LIMITED | 00487810 | 09/07/1999 | 01/05/2001 | Gold |