| Company | Timeline | Status | |
| Fastran Heating Limited Director • Director | 29 Apr 1999←3 Years→22 Aug 2002 | Active | |
| Newelco (Uskside) Limited Director • Engineer | 31 Aug 1998←3 Years→22 Aug 2002 | Active | |
| Inductoheat Banyard Limited Director • President | 22 Sep 1991←10 Years→22 Aug 2002 | Active | |
| Inductoheat Europe Limited Director • Executive/engineer | 2 Jul 1991←11 Years→16 Dec 2002 | Active | |
| Radyne Limited Director • Executive/engineer | 2 Jul 1991←11 Years→22 Aug 2002 | Active | |
