| Company | Timeline | Status | |
| Environmental Building Maintenance Limited Director • Director | 1 Nov 1999←3 Years→31 Jul 2003 | Active | |
| Carter Engineering Building Services Limited Director • Director | 11 May 1994←9 Years→31 Jul 2003 | Active | |
| Carter Building Engineering Services Limited Director • Unreported | 28 Jul 1992←11 Years→31 Jul 2003 | Active | |
| Carter Planned Maintenance Limited Director • Managing Director | 25 Jul 1991←12 Years→31 Jul 2003 | Active | |
| Carter Environmental Engineers Limited Director • Director | 25 Jul 1991←12 Years→31 Jul 2003 | Active | |
| Carter Thermal Industries Limited Director • Managing Director | 9 Jul 1991←12 Years→30 Sep 2003 | Active | |
