| Company | Timeline | Status | |
| Willow Industrial Park Limited Director • Fuel Cell Manufacturer | 31 Dec 1991←21 Years→4 Feb 2013 | Active | |
| Premier Aerospace Limited Director • Fuel Cell Manufacturer | 10 Jul 1991←19 Years→11 Nov 2010 | Active | |
| Premier Fuel Systems Limited Director • Fuel Cell Manufacturer | 10 Jul 1991←19 Years→11 Nov 2010 | Active | |
| Premier Defence Limited Director • Fuel Cell Manufacturer | 20 Jun 1991←21 Years→4 Feb 2013 | Active | |
