North's Navigation Co
1798 The works were founded
1872 Formed into the Llynvi Tondu and Ogmore Coal and Iron Co. The company subsequently went into liquidation.
1889 the property was purchased by Colonel North for £350,000 who abandonned the iron works. He converted the undertaking into a coal company: North's Navigation Collieries (1889) Ltd[1].
1927 See Aberconway Chapter XVIII for information on the company and its history
1945 Acquired by Powell Duffryn.