| Company | Timeline | Status | |
| Main Line Optical Connections Limited Secretary • Accountant  | 24 Aug 2007←14 Years→31 Mar 2022  | Active  | |
| Master Pace Limited Secretary • Accountant  | 24 Aug 2007←14 Years→31 Mar 2022  | Active  | |
| Main Line (Instruments) Limited Secretary • Accountant  | 24 Aug 2007←15 Years→2 May 2023  | Active  | |
| Main Line Optical Limited Secretary • Accountant  | 26 Jul 2007←14 Years→31 Mar 2022  | Active  | |
