| Company | Timeline | Status | |
| Sangre Environmental Services Limited Secretary • Unreported | 31 Aug 2007←12 Years→10 Jun 2020 | Active | |
| Sangre Engineering Limited Secretary • Unreported | 26 Oct 2005←14 Years→10 Jun 2020 | Liquidation | |
| Sangre Engineering & Management Services Ltd Secretary • Unreported | 10 May 2005←15 Years→10 Jun 2020 | Active | |
| Heming Road Industrial Limited Director • Environmental Engineer | 17 Mar 1992←14 Years→31 Dec 2006 | Active | |
| Sangre Environmental Services Limited Director • Engineer | 23 Oct 1991←28 Years→10 Jun 2020 | Active | |
| Sangre Engineering Limited Director • Engineer | 23 Oct 1991←28 Years→10 Jun 2020 | Liquidation | |
