| Company | Timeline | Status | |
| Flue Centres Limited Secretary • Secretary | 28 Sep 1995←30 Years→Current | Active | |
| Flue Centers Limited Secretary • Secretary | 28 Sep 1995←30 Years→Current | Active | |
| Chimney Centres (Engineering) Limited Secretary • Unreported | 30 Aug 1994←15 Years→31 Dec 2009 | Active | |
