| Company | Timeline | Status | |
| Dustraction Limited Director • Dust Extraction Engineer | 2 Feb 2000←25 Years→Current | Active | |
| Dustraction Limited Secretary • Dust Extraction Engineer | 2 Feb 2000←25 Years→Current | Active | |
| Dustraction Limited Director • Dust Extraction Engineer | 2 Feb 2000←25 Years→19 Aug 2025 | Active | |
| Dustraction Limited Secretary • Dust Extraction Engineer | 2 Feb 2000←25 Years→19 Aug 2025 | Active | |
