| Company | Timeline | Status | |
| Protectolite Limited Director • Engineering Consultant | 31 Mar 1998←19 Years→31 Jul 2017 | Active | |
| Taylor Kerr (Engineering) Limited Director • Engineering Consultant | 31 Mar 1998←19 Years→31 Jul 2017 | Active | |
| Teekay Couplings Limited Director • Engineering Consultant | 31 Mar 1998←19 Years→31 Jul 2017 | Active | |
| Taylor Kerr (Couplings) Limited Director • Engineering Consultant | 31 Dec 1990←26 Years→31 Jul 2017 | Active | |
| Taylor Kerr (Energy Products) Limited Director • Engineering Consultant | 31 Dec 1990←26 Years→31 Jul 2017 | Active | |
