| Company | Timeline | Status | |
| Tyne Tees Bolt & Nut Company Limited Director • Company Director | 24 Sep 1991←24 Years→7 Aug 2016 | Active | |
| Birmingham Bolt & Nut Company Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
| Sheffield Bolt & Nut Co. Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
| London Bolt & Nut Company Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
| Manchester Bolt & Nut Company Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
| John Sylvester (Fasteners & Plastics) Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
| John Sylvester Engineering Company Limited Director • Company Director | 21 Sep 1991←24 Years→7 Aug 2016 | Active | |
