| Company | Timeline | Status | |
| Cwmorthin Slate Quarry 1994 Company Limited Secretary • Unreported | 3 Jul 2006←8 Months→12 Mar 2007 | Active | |
| Am Nominees Limited Director • Deputy Group Secretary | 3 Jul 2006←1 Year 7 Months→12 Feb 2008 | Liquidation | |
Alfred McAlpine Pension Trustees Limited Secretary • Unreported | 3 Jul 2006←1 Year 8 Months→18 Mar 2008 | Dissolved | |
| Cocklebank Conservations Limited Secretary • Unreported | 3 Jul 2006←8 Months→12 Mar 2007 | Active | |
Alfred McAlpine Utility Services NW Limited Secretary • Unreported | 3 Jul 2006←1 Year 7 Months→12 Feb 2008 | Active | |
| Alfred McAlpine Slate Penrhyn Limited Secretary • Unreported | 3 Jul 2006←8 Months→12 Mar 2007 | Active | |
| J.F. Miller Properties Limited Director • Deputy Group Secretary | 3 Jul 2006←1 Year 7 Months→12 Feb 2008 | Dissolved | |
| CWT-Y-Bugail Slate Quarries,Limited(The) Secretary • Unreported | 3 Jul 2006←8 Months→12 Mar 2007 | Active | |
| Exel Freight Management (UK) Limited Secretary • Unreported | 23 Apr 2003←3 Years→28 Apr 2006 | Dissolved | |
| DHL Supply Chain Limited Secretary • Unreported | 28 Mar 2003←3 Years→28 Apr 2006 | Active | |
