| Company | Timeline | Status | |
| S.H. Johnson And Company Limited Secretary • Unreported | 17 Oct 1991←6 Years→15 May 1998 | Active | |
| NCK Limited Secretary • Company Secretary | 24 Aug 1991←6 Years→15 May 1998 | Active | |
| Elder Engineering Limited Secretary • Unreported | 4 Jun 1991←6 Years→15 May 1998 | Active | |
| SPW Traffic Control Limited Secretary • Unreported | 4 Jun 1991←6 Years→15 May 1998 | Active | |
| Staffordshire Public Works Company,Limited(The) Secretary • Unreported | 4 Jun 1991←6 Years→15 May 1998 | Dissolved | |
