| Company | Timeline | Status | |
| G. Whitfield Limited Director • Pharmacist | 29 Dec 1991←3 Years→29 Jan 1995 | Active | |
| R. Whitfield Limited Director • Pharmacist | 15 Aug 1991←3 Years→29 Jan 1995 | Active | |
| Durham Pharmaceuticals Limited Director • Qualified Chemist | 1 Jul 1991←3 Years→30 Jan 1995 | Active | |
