| Company | Timeline | Status | |
| C.A. Blackwell Group Limited Director • Property Manager | 1 Jun 2001←4 Years→27 Feb 2006 | Active | |
| Premier Lime & Stone Company Limited Director • Property Managed | 1 Jun 2001←4 Years→27 Feb 2006 | Active | |
| C. A. Blackwell (Contracts) Limited Director • Property Manager | 27 Aug 1999←6 Years→27 Feb 2006 | Active | |
