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Robert Heath & Sons of Biddulph Valley Ironworks, Biddulph, near Stoke on Trent
Also Dudley Port Iron Works, Staffordshire
1860s Robert Heath leased and developed various important coal-mining and other properties which led to the formation of the company
1871 Disastrous boiler explosion on 28th June, killing eight people. 
1872 Robert Heath and Son owned blast furnaces and forges/mills at Biddulph, Norton and at forge/mill at Tunstall.
1875 Robert Heath and Co operated the Biddulph Valley and Ford Green Works, situated at Tunstall, which had 90 puddling furnaces and six rolling mills.
The Ravensdale Works, also belonging to this company, had 54 puddling furnaces and eight rolling mills. Mr Heath had erected ten of the Danks-type rotary puddling furnaces at the works and had good experience with the novel concept
1888-1926 Built eleven locomotives 
1912 - Advert - Makers of Various Irons and Sulphate of Ammonia, Pitch, Lucigen and other oils.