| Company | Timeline | Status | |
| NT Group Properties Limited Secretary • Unreported | 29 Mar 1991←5 Months→31 Aug 1991 | Active | |
| Econa Windows Limited Secretary • Unreported | 29 Mar 1991←5 Months→31 Aug 1991 | Dissolved | |
| Newman-Tonks Limited Secretary • Unreported | 29 Mar 1991←5 Months→31 Aug 1991 | Dissolved | |
| Newman-Tonks (Overseas Holdings) Limited Secretary • Unreported | 29 Mar 1991←5 Months→31 Aug 1991 | Active | |
