| Company | Timeline | Status | |
| W T Sibley (Haulage) Limited Director • Haulage Contractor | 30 Aug 1991←28 Years→3 Jul 2020 | Active | |
| Sibley Material Movements Limited Director • Haulage Contractor | 30 Aug 1991←28 Years→3 Jul 2020 | Active | |
| Sibley Material Movements Limited Director • Unreported | 1 Jan 1970←50 Years→3 Jul 2020 | Active | |
