| Company | Timeline | Status | |
| GTS Environmental Limited Director • Engineer  | 6 Feb 2014←11 Years→Current  | Active  | |
| GTS Nitrogen Services Limited Director • Engineer  | 28 Oct 2011←14 Years→Current  | Active  | |
| GTS Maintenance Services Limited Director • Engineer  | 13 Jun 2006←19 Years→Current  | Active  | |
| GTS Maintenance Limited Director • Engineer  | 13 Jan 1997←28 Years→Current  | Active  | |
