| Company | Timeline | Status | |
| Rock Distributors Limited Director • Secretary | 16 Aug 1992←33 Years→Current | Active | |
| Rock Distributors Limited Secretary • Unreported | 16 Aug 1992←33 Years→Current | Active | |
| Rock Chemicals Limited Secretary • Unreported | 25 Sep 1991←34 Years→Current | Active | |
| Rock Chemicals Limited Director • Director/secretary | 25 Sep 1991←34 Years→Current | Active | |
