| Company | Timeline | Status | |
| Rio Midco Limited Director • Director | 2 Oct 1998←8 Years→15 Jan 2007 | Dissolved | |
| Rio Surfacing Limited Director • Director | 20 Sep 1991←15 Years→15 Jan 2007 | Active | |
| Rio Asphalt & Paving Co. Limited Director • Director | 20 Sep 1991←15 Years→15 Jan 2007 | Active | |
