| Company | Timeline | Status | |
| International Airport Visual And Navigational Aids Limited Director • Lighting Engineer | 30 Nov 1991←2 Years 5 Months→21 May 1994 | Active | |
| International Airport Visual And Navigational Aids Limited Secretary • Unreported | 30 Nov 1991←2 Years 5 Months→21 May 1994 | Active | |
| Air Field Lighting Limited Director • Unreported | 1 Jan 1970←24 Years→21 May 1994 | Active | |
| Air Field Lighting Limited Secretary • Unreported | 1 Jan 1970←24 Years→21 May 1994 | Active | |
