| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MODERN ENGINEERING (BRISTOL) LIMITED | 01826469 | 08/05/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AMCO CORPORATION LIMITED | 06575812 | 24/06/2008 | 03/09/2014 | Not Trading |
| BARNSLEY BUSINESS AND INNOVATION CENTRE LIMITED | 02109925 | 01/09/2016 | 16/09/2020 | Gold |
| BCSA LIMITED | 00895252 | 09/07/1998 | 14/05/2009 | Silver |
| BILLINGTON FLEET MANAGEMENT LIMITED | 06545617 | 06/04/2011 | 03/09/2014 | Bronze |
| BILLINGTON HOLDINGS PLC | 02402219 | 24/10/2006 | 03/10/2018 | Gold |
| BILLINGTON STRUCTURES LIMITED | 01567759 | 09/06/1992 | 11/09/2014 | Silver |
| BS2 (2011) LIMITED | 07540482 | 17/11/2011 | 01/06/2015 | Dissolved |
| DOSCO HOLDINGS LIMITED | 03046252 | 12/04/2008 | 04/05/2010 | Dissolved |
| DOSCO OVERSEAS ENGINEERING LIMITED | 00567906 | 11/04/2008 | 10/03/2009 | Dissolved |
| EASI-EDGE LIMITED | 06312583 | 10/06/2008 | 03/09/2014 | Amber |
| GEOGRAPH PROJECT LIMITED | 07473967 | 24/11/2016 | 08/03/2017 | Gold |
| HOLLYBANK ENGINEERING CO. LIMITED | 00520887 | 24/06/1998 | 04/05/2010 | Dissolved |
| PETER MARSHALL STEEL STAIRS LIMITED | 06575852 | 10/06/2008 | 12/05/2011 | Bronze |
| STEEL CONSTRUCTION CERTIFICATION SCHEME LIMITED | 02370407 | 09/07/1998 | 14/07/2005 | Bronze |
| STEEL CONSTRUCTION INSTITUTE(THE) | 01916698 | 30/06/2000 | 30/06/2003 | Silver |
| THE BIC SEED CAPITAL FUND LIMITED | 02327287 | 01/09/2016 | 16/09/2020 | Gold |
| THE BRITISH CONSTRUCTIONAL STEELWORK ASSOCIATION LIMITED | 02457906 | 09/07/1998 | 14/07/2005 | Bronze |
| THE WATERFRONT RESIDENTS ASSOCIATION LIMITED | 05523025 | 11/10/2021 | 13/03/2024 | Gold |