 The company changed name to Graham Manufacturing Ltd in 1977, It was sold to Wellman Group in 1995 and Changed name to Wellman Graham Ltd, and was based in Gloucester before moving its design and manufacturing facility to Oldbury in the West Midlands.Wellman Hunt Graham was acquired by Corac Group plc in 2012 and renamed to Hunt Graham Ltd, and in 2013 changed its name to Hunt Thermal Technologies.Corac Group plc was renamed as TP Group plc in 2015 and Hunt Thermal Technologies has since been renamed as TPG Engineering.