MineArchiveCoal Investments
Run by Malcolm Edwards, took over Markham Main Colliery from May 1994 ahead of its final 1996 closure.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Coventry Colliery | Warwickshire | 1991–1996 |
| Cwmgwili Colliery | Carmarthenshire | 1993–1996 |
| Markham Main Colliery | South Yorkshire | 1994–1996 |
Record created: 2 September 2026 · Last researched: 2 September 2026