| Company | Timeline | Status | |
| Polyalfa Drainage Systems Ltd Secretary • Unreported | 13 Jun 2006←19 Years→Current | Active | |
| Polyalfa Ltd Secretary • Unreported | 13 Jun 2006←19 Years→Current | Active | |
| Aco Building Drainage Ltd Secretary • Unreported | 9 Dec 2004←20 Years→Current | Active | |
| Lineadrain Ltd Secretary • Unreported | 26 Jun 2001←24 Years→Current | Active | |
| Aco Fulbora Limited Secretary • Unreported | 20 Jul 2000←25 Years→Current | Active | |
| Aco Polymer Products Ltd Secretary • Unreported | 3 Apr 2000←25 Years→Current | Active | |
| Ulma Ltd Secretary • Unreported | 22 Mar 2000←25 Years→Current | Active | |
| Compasso Ltd Secretary • Unreported | 22 Mar 2000←25 Years→Current | Active | |
| Polyline Drainage Systems Limited Secretary • Unreported | 25 May 1999←26 Years→Current | Active | |
| Aco Wildlife Limited Secretary • Unreported | 6 Jan 1999←26 Years→Current | Active | |
