| Company | Timeline | Status | |
| OLD Park Pro Gas (UK) Limited Director • Director | 1 Apr 2000←25 Years→Current | Active | |
| OLD Park Pro Gas Limited Director • Engineer | 14 Jul 1999←14 Years→13 Nov 2013 | Active | |
| OLD Park Engineering Services Limited Director • Gas Engineer | 23 Sep 1998←27 Years→Current | Active | |
| OLD Park Pro Gas (UK) Limited Director • Director | 18 Mar 1993←6 Years→2 Jul 1999 | Active | |
