| Company | Timeline | Status | |
| SLS Design Consultants Ltd Secretary • Company Secretary | 15 Dec 2008←16 Years→Current | Active | |
| Canal Engineering Limited Secretary • Company Secretary | 14 May 2001←6 Years→31 Jan 2008 | Liquidation | |
| John Lord Holdings Limited Secretary • Company Secretary | 17 May 1997←28 Years→Current | Active | |
| Rizistal Engineering Services Limited Secretary • Company Secretary | 17 May 1997←28 Years→Current | Active | |
| John L Lord & Son (Rizistal) Limited Secretary • Company Secretary | 17 May 1997←28 Years→Current | Active | |
