| Company | Timeline | Status | |
| Burlington Slate Limited Director • Sales Director | 15 Apr 1991←1 Year 4 Months→5 Sep 1992 | Active | |
| Lakeland Green Slate & Stone Company Limited Director • Sales Director | 15 Apr 1991←1 Year 4 Months→5 Sep 1992 | Active | |
| Burlington Slate Production Limited Director • Sales Director | 15 Apr 1991←1 Year 4 Months→5 Sep 1992 | Active | |
| Broughton Moor Green Slate Quarries Limited(The) Director • Sales Director | 15 Apr 1991←1 Year 4 Months→5 Sep 1992 | Active | |
