| Company | Timeline | Status | |
| Libra Chemicals Limited Director • Director | 5 Apr 2006←4 Years→2 Nov 2010 | Active | |
| Libra Speciality Chemicals Limited Director • Director | 18 Aug 1997←13 Years→2 Nov 2010 | Active | |
| Lakeland Processing Limited Director • Director | 1 Jul 1996←1 Year 1 Month→31 Jul 1997 | Active | |
| SB Dormantco Three Limited Director • Operations Director | 3 Apr 1995←2 Years 3 Months→30 Jul 1997 | Dissolved | |
| Samuel Banner & Co. Limited Director • Operations Director | 1 May 1994←3 Years→31 Jul 1997 | Active | |
