| Company | Timeline | Status | |
| Irvin Aerospace Limited Director • Company Director | 4 Nov 1993←3 Years→24 Feb 1997 | Active | |
| Airborne Systems Pension Trust Limited Director • Company Director | 4 Nov 1993←3 Years→24 Feb 1997 | Active | |
| Irvin Aerospace Limited Director • Director | 28 Aug 1992←1 Month→30 Sep 1992 | Active | |
| Irvingq Limited Director • Commercial Engineering Operati | 20 Jul 1991←5 Years→24 Feb 1997 | Active | |
| Aircraft Materials Limited Director • Manufacturing Director | 10 May 1991←5 Years→24 Feb 1997 | Active | |
| Aircraft Materials Limited Director • Unreported | 1 Jan 1970←27 Years→24 Feb 1997 | Active | |
