| Company | Timeline | Status | |
| Promac Machinery Limited Secretary • Unreported | 1 Sep 2000←1 Year 4 Months→2 Jan 2002 | Dissolved | |
| Window Machinery Services Limited Secretary • Unreported | 1 Sep 2000←1 Year 4 Months→2 Jan 2002 | Dissolved | |
| Window Machinery Supplies Limited Secretary • Unreported | 1 Sep 2000←1 Year 4 Months→2 Jan 2002 | Dissolved | |
| Window Machinery Spares Limited Secretary • Unreported | 1 Sep 2000←1 Year 4 Months→2 Jan 2002 | Dissolved | |
| Window Machinery Sales Limited Secretary • Unreported | 1 Sep 2000←1 Year 4 Months→2 Jan 2002 | Dissolved | |
