Britannic Merthyr Coal Co
of Cambrian Buildings, Bute Docks, Cardiff
1904 The company was registered on 13 September, to acquire the Dinas Main Colleries, Glamorganshire. [1]
1923 Output 363,000 tons/year. Owned the Britannic, Dinas Main (Level), and Trane & Llewellyn mines at Gilfach Goch[2].
Incorporated into Welsh Associated Collieries