| Company | Timeline | Status | |
| Altis Industries Limited Director • Company Director | 30 Apr 1992←10 Years→23 May 2002 | In Administration | |
D.S.Johnston & Company Limited Director • Company Director | 28 Feb 1992←10 Years→23 May 2002 | Dissolved | |
Premier Propshaft Co. Ltd Director • Company Director | 31 Dec 1991←10 Years→23 May 2002 | Dissolved | |
Dawndrive Limited Director • Director | 13 Aug 1991←10 Years→23 May 2002 | Dissolved | |
| XRN Engineering Limited Director • Director | 28 Feb 1991←11 Years→23 May 2002 | Active | |
| D.S. Johnston (Holdings) Limited Director • Director | 28 Feb 1991←11 Years→29 Apr 2002 | Active | |
