| Company | Timeline | Status | |
| Pioneer International Overseas Corporation Director • Chief General Manager Europe | 26 Feb 1997←5 Months→1 Aug 1997 | Active | |
Pioneer Concrete Development Limited Director • Director | 9 Jan 1995←2 Months→3 Apr 1995 | Dissolved | |
| Mixconcrete Holdings Limited Director • Company Director | 9 Jan 1995←2 Months→3 Apr 1995 | Active | |
| Supamix Limited Director • Director | 9 Jan 1995←2 Months→3 Apr 1995 | Active | |
| Pioneer International Group Holdings Limited Director • Company Manager | 12 May 1994←2 Years 10 Months→4 Apr 1997 | Active | |
| Pioneer Investments UK Limited Director • General Manager | 24 Sep 1992←4 Years→1 Aug 1997 | Active | |
Pioneer International Investments Limited Director • Company Director | 7 Feb 1992←5 Years→1 Aug 1997 | Dissolved | |
| Mineral Products Association Limited Director • Chief General Manager | 31 Aug 1991←5 Years→25 Jun 1997 | Active | |
| Pioneer Concrete Holdings Limited Director • Director | 28 Feb 1991←6 Years→31 Jul 1997 | Active | |
| TLQ Limited Director • Director | 10 Mar 1989←1 Year→30 Mar 1990 | Active | |
