| Company | Timeline | Status | |
| Airvision Engineering Limited Director • State Registered Nurse | 31 Dec 1991←33 Years→Current | Active | |
| A.V. Engineering Services Limited Director • State Registered Nurse | 31 Dec 1990←30 Years→14 Apr 2021 | Active | |
| Airvision Engineering Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
