| Company | Timeline | Status | |
| Road Emulsion Association Limited Director • Director | 10 Mar 1999←3 Years→13 Mar 2002 | Active | |
| Bituchem Limited Director • Chemist | 1 Jan 1996←1 Year 6 Months→20 Jul 1997 | Active | |
| Bituchem Asphalt Limited Director • Chemist | 22 May 1992←33 Years→Current | Active | |
| Road Emulsion Association Limited Director • Director | 30 Apr 1992←4 Years→10 Mar 1997 | Active | |
| Bituchem Building Products Limited Director • Director | 31 Mar 1992←33 Years→Current | Active | |
| Bituchem Contracting Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Bituchem Holdings Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
