| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Amco Structures Ltd | 01567829 | 18/05/1992 | Dissolved |
| MODERN ENGINEERING (BRISTOL) LIMITED | 01826469 | 23/09/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMCO CORPORATION LIMITED | 06575812 | 24/06/2008 | 31/10/2011 | Not Trading |
| AMCO INTERINVEST LIMITED | 02496249 | 26/04/1992 | 20/05/1996 | Dissolved |
| AMCO PENSION SCHEME TRUSTEES LTD | 01450656 | 08/01/2001 | 17/07/2001 | Dissolved |
| AMCO PENSION SCHEME TRUSTEES LTD | 01450656 | 17/06/1998 | 01/11/2007 | Dissolved |
| Amco Drilling Ltd | 01556639 | 09/06/1991 | 27/03/1996 | Dissolved |
| BILLINGTON FLEET MANAGEMENT LIMITED | 06545617 | 10/06/2008 | 31/10/2011 | Bronze |
| BILLINGTON HOLDINGS PLC | 02402219 | 11/04/2008 | 31/10/2011 | Gold |
| BILLINGTON HOLDINGS PLC | 02402219 | 11/04/2008 | 31/10/2011 | Gold |
| BILLINGTON STRUCTURES LIMITED | 01567759 | 09/06/1992 | 10/03/2009 | Silver |
| BILLINGTON STRUCTURES LIMITED | 01567759 | 09/06/1992 | 31/10/2011 | Silver |
| DOSCO HOLDINGS LIMITED | 03046252 | 12/04/2008 | 04/05/2010 | Dissolved |
| EASI-EDGE LIMITED | 06312583 | 10/06/2008 | 31/10/2011 | Amber |
| HOLLYBANK ENGINEERING CO. LIMITED | 00520887 | 12/09/1998 | 10/03/2009 | Dissolved |
| HOLLYBANK ENGINEERING CO. LIMITED | 00520887 | 24/02/1999 | 04/05/2010 | Dissolved |
| HOME-START WAKEFIELD & DISTRICT. | 05208262 | 12/07/2013 | 31/07/2023 | Silver |
| Kinetic Engineering & Design Ltd | 01139362 | 09/06/1991 | 16/08/1991 | Dissolved |
| Kinetic Engineering & Design Ltd | 01139362 | 09/06/1991 | 16/08/1991 | Dissolved |
| Mitchell Brothers Sons & Co Ltd | 00638263 | 09/06/1991 | 28/08/1997 | Dissolved |
| PETER MARSHALL STEEL STAIRS LIMITED | 06575852 | 10/06/2008 | 22/03/2011 | Bronze |