| Company | Timeline | Status | |
| Rock Distributors Limited Director • Company Director | 16 Aug 1992←20 Years→1 Apr 2013 | Active | |
| Rock Chemicals Limited Director • Director | 25 Sep 1991←20 Years→31 May 2012 | Active | |
| Rock Oil Marketing Limited Director • Director | 5 Apr 1991←22 Years→6 Apr 2013 | Active | |
