| Company | Timeline | Status | |
| C F Struthers (Holdings) Limited Director • Company Director | 3 Mar 2009←16 Years→Current | Active | |
| Heat Recovery Solutions Limited Director • Director | 2 Jan 2009←14 Years→4 Apr 2023 | Dissolved | |
| C F Struthers (Hull) Limited Director • Technical Director | 17 Mar 2004←21 Years→Current | Active | |
| C.F.Struthers Limited Director • Company Director | 19 Aug 1991←34 Years→Current | Active | |
