| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Atchison Casting U K Ltd | 03514183 | 07/08/2002 | Dissolved |
| Do Dinosaurs Dance Ltd | 05247848 | 17/11/2004 | Dissolved |
| Engineering Technologies Group Ltd | 03281005 | 07/08/2002 | Dissolved |
| FIRTH VICKERS SPECIAL STEELS LIMITED | 01882702 | 07/08/2002 | Not Trading |
| Green Park Associates Ltd | 04878035 | 01/07/2005 | Dissolved |
| International Forgemasters Meeting Ltd | 06492754 | 04/02/2008 | Dissolved |
| Obvious Believer Ltd | 05290231 | 23/11/2004 | Dissolved |
| Pencil Top Ltd | 05360086 | 06/05/2005 | Dissolved |
| SHEFFIELD FORGEMASTERS GROUP LIMITED | 03120721 | 07/08/2002 | Dissolved |
| SHEFFIELD FORGEMASTERS LIMITED | 02245637 | 07/08/2002 | Dissolved |
| Sheffield Forgemasters Holdings Ltd | 00250290 | 07/08/2002 | Dissolved |
| Steel Detective Agency Ltd | 03887578 | 07/12/1999 | Dissolved |
| Thomas Perry Ltd | 00490103 | 07/08/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| METSKILL LIMITED | 02465674 | 06/12/2007 | 06/07/2009 | Dissolved |
| MONTRACON LIMITED | 00754248 | 12/06/2000 | 28/02/2002 | One Red Flag |
| SHEFFIELD FORGEMASTERS ENGINEERING LIMITED | 04864216 | 01/07/2005 | 31/07/2018 | Gold |
| SHEFFIELD FORGEMASTERS INTERNATIONAL LIMITED | 04883675 | 01/07/2005 | 31/07/2018 | Amber |
| SHEFFIELD FORGEMASTERS RD26 LIMITED | 08082284 | 22/06/2012 | 31/07/2018 | Dissolved |
| SHEFFIELD FORGEMASTERS STEEL LIMITED | 01919676 | 10/05/2002 | 31/07/2018 | Strike Off |
| STEEL PROPELLER LIMITED | 07011625 | 01/10/2009 | 31/07/2018 | Dissolved |
| VULCAN SFM LIMITED | 04776473 | 01/07/2005 | 31/07/2018 | Dissolved |