| Company | Timeline | Status | |
| Walters Environmental Limited Director • Director | 18 Sep 1996←6 Years→22 Nov 2002 | Active | |
| National Federation Of Demolition Contractors Limited(The) Director • Semi Ret Dir | 11 Mar 1994←4 Years→13 Mar 1998 | Active | |
| Walters Environmental Limited Director • Director | 28 Feb 1992←4 Years→28 Aug 1996 | Active | |
