| Company | Timeline | Status | |
| T.E. Johnston & Company Limited Secretary • Unreported  | 16 Jul 1991←34 Years→Current  | Active  | |
| T.E. Johnston & Co. (Marine) Limited Director • Office Manager  | 12 Apr 1991←34 Years→Current  | Active  | |
| T.E. Johnston & Company Limited Director • Unreported  | 1 Jan 1970←55 Years→Current  | Active  | |
