| Company | Timeline | Status | |
| Premier Transmission Holdings Limited Secretary • Unreported | 2 Feb 2005←4 Years→26 Sep 2009 | Active | |
| Mutual Energy Limited Secretary • Unreported | 2 Feb 2005←4 Years→1 Oct 2009 | Active | |
| Premier Transmission Financing Public Limited Company Secretary • Unreported | 2 Feb 2005←4 Years→26 Sep 2009 | Active | |
