| Company | Timeline | Status | |
| Durham Pharmaceuticals Limited Director • Qualified Chemist | 1 Jul 1991←21 Years→18 Jun 2013 | Active | |
| Durham Pharmaceuticals Limited Secretary • Unreported | 1 Jul 1991←21 Years→18 Jun 2013 | Active | |
| M.Whitfield Limited Director • Qualified Chemist | 1 Jul 1991←21 Years→18 Jun 2013 | Active | |
| M.Whitfield Limited Secretary • Unreported | 1 Jul 1991←21 Years→18 Jun 2013 | Active | |
