| Company | Timeline | Status | |
| SMW Holdings Limited Secretary • Unreported | 24 Jul 2009←4 Years→1 Dec 2013 | Dissolved | |
| Special Metals Services Limited Secretary • Unreported | 24 Jul 2009←4 Years→1 Dec 2013 | Active | |
| Special Metals Deutschland Limited Secretary • Unreported | 24 Jul 2009←4 Years→1 Dec 2013 | Active | |
| Special Metals Wiggin Limited Secretary • Unreported | 24 Jul 2009←4 Years→1 Dec 2013 | Active | |
