Greenbank Industrial Holdings
of Blackburn, maker of industrial dryers and associated machinery, and basalt line fabrications
of Wigan
1971 Listing of shares on the Stock Exchange[1]
1976 Acquired CBP Engineering and Construction, the American distributor of the company's basalt fabricators, having previously owned a third of the shares in CBP.[2]
1978 Greenbank Cast Basalt Engineering Co, Gate Street, Blackburn[3]
1982 Subsidiary Greenbank Engineering acquired the Anti-Degredation (sic) Co[4]
1986 Acquired by C. and W. Walker, forming Walker Greenbank