| Company | Timeline | Status | |
| Oil Slick Dispersants Limited Secretary • Unreported | 10 Mar 1998←3 Months→6 Jul 1998 | Active | |
| Maryhill Limited Secretary • Unreported | 8 Sep 1997←1 Year 9 Months→28 Jun 1999 | Active | |
| Kingston Chemicals (Yorkshire) Limited Secretary • Unreported | 10 Jul 1992←5 Years→26 Jan 1998 | Active | |
