| Company | Timeline | Status | |
| Devol Cast Nylon Limited Director • Company Director | 2 Jul 2012←1 Year 7 Months→31 Jan 2014 | Active | |
| Devol Moulding Services Limited Director • Company Director | 2 Jul 2012←1 Year 7 Months→31 Jan 2014 | Active | |
| Devol Fabrications Limited Director • Company Director | 2 Jul 2012←1 Year 7 Months→31 Jan 2014 | Active | |
| Devol Bushing Limited Director • Company Director | 2 Jul 2012←1 Year 7 Months→31 Jan 2014 | Active | |
| Devol Engineering Limited Director • Company Director | 2 Jul 2012←1 Year 7 Months→31 Jan 2014 | Active | |
| James Walker UK Limited Director • Director | 1 Oct 2010←3 Years→31 Jan 2014 | Active | |
| James Walker Britco Limited Director • Group Finance Director | 31 Dec 2004←20 Years→Current | Dissolved | |
| James Walker & Co. Limited Director • Group Finance Director | 31 Dec 2004←9 Years→31 Jan 2014 | Active | |
| James Walker Engineering Services Limited Director • Group Finance Director | 31 Dec 2004←9 Years→31 Jan 2014 | Active | |
| James Walker Moorflex Limited Director • Group Finance Director | 31 Dec 2004←9 Years→31 Jan 2014 | Active | |
