Impalco Aluminium Group
Presumably connected with Imperial Aluminium Co
1964 Impalco offers aluminium users in Great Britain the benefits of a recently completed programme of modernisation and extension and a comprehensive technical service.[1]
1966 the completion of a six‐year, £6 million programme of modernisation and expansion of the Impalco Aluminium Works at Waunarlwydd, near Swansea, has endowed Wales with one of the finest and most up‐to‐date aluminium plants in Europe.[2]
