| Company | Timeline | Status | |
| Ewington & Lake Limited Director • Electrical Engineer | 5 Dec 1991←9 Years→2 Apr 2001 | Dissolved | |
Frank Ewington Limited Director • Electrical Engineer | 30 Nov 1991←25 Years→12 Sep 2017 | Dissolved | |
Frank Ewington Limited Secretary • Unreported | 30 Nov 1991←25 Years→12 Sep 2017 | Dissolved | |
