| Company | Timeline | Status | |
| Iveston Mining Company Limited Director • Mining Engineer | 10 Aug 1992←29 Years→19 Apr 2022 | Dissolved | |
| RJB Mining (UK) Ltd Director • Mining Engineer | 10 Aug 1992←1 Year 4 Months→15 Dec 1993 | Dissolved | |
| Harworth Estates Limited Director • Mining Engineer | 10 Aug 1992←1 Year 4 Months→15 Dec 1993 | Active | |
| Harworth Estates No 2 Limited Director • Mining Engineer | 10 Aug 1992←1 Year 4 Months→15 Dec 1993 | Active | |
| Harworth Haulage Ltd Director • Mining Engineer | 10 Aug 1992←1 Year 4 Months→15 Dec 1993 | Dissolved | |
| Parklands Colliery Company Limited Director • Mining Engineer | 10 Aug 1992←1 Year 4 Months→15 Dec 1993 | Dissolved | |
| Cornish Chamber Of Mines And Minerals Director • Managing Director | 23 Aug 1991←1 Year 4 Months→31 Dec 1992 | Active | |
