| Company | Timeline | Status | |
| Ballantine Boness Iron Co.Limited Director • Iron Founder | 17 Aug 1989←36 Years→Current | Active | |
Ballantine Engineering Ltd Director • Iron Founder | 23 Jun 1988←26 Years→6 May 2015 | Dissolved | |
| Ballantine Boness Iron Co.Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
