| Company | Timeline | Status | |
| Clean Air Installations Limited Director • Engineer | 28 Jan 2000←6 Years→31 Mar 2006 | Active | |
| Clean Air Facilities Limited Director • Engineer | 28 Jan 2000←6 Years→31 Mar 2006 | Active | |
| Clean Air Technology Ltd Director • Salesman | 23 Apr 1993←12 Years→31 Mar 2006 | Active | |
