| Company | Timeline | Status | |
| Precision Relays Limited Secretary • Unreported | 31 Dec 1989←2 Years 5 Months→21 Jun 1992 | Active | |
| Precision Relays Limited Director • Director | 8 Aug 1989←2 Years 10 Months→21 Jun 1992 | Active | |
| John Mackay (Plant) Limited Secretary • Unreported | 31 Dec 1988←3 Years→21 Jun 1992 | Active | |
