| Company | Timeline | Status | |
| ICL Tech Limited Director • Director | 11 May 2004←21 Years→Current | Active | |
| Plastics W. Graham Limited Director • Plastics Technologist | 13 Oct 1989←36 Years→Current | Active | |
| Easter Road Plastics Limited Director • Plastics Technologist | 13 Oct 1989←36 Years→Current | Active | |
| Norplast Limited Director • Plastics Technologist | 13 Oct 1989←28 Years→2 May 2018 | Active | |
Ramac Limited Director • Plastics Technologist | 25 Nov 1988←29 Years→17 Apr 2018 | Dissolved | |
| I.C.L. Plastics Limited Director • Plastics Technologist | 28 Oct 1988←37 Years→Current | Active | |
| Stockline Plastics Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
