Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,129 pages of information and 223,036 images on early companies, their products and the people who designed and built them.
of Suprex Works, Northwood Street, Birmingham, 3. Telephone: CENtral 1238. Telegraphic Address: "Suprex, Birmingham". (1938)
of Dronfield, Sheffield
1911 Company founded.
1921 Private company.
1937 Listed Exhibitor - British Industries Fair. Stainless Steel Sheets, Strip, Bars, Wire Sections, Tubes, Castings - polished and unpolished; also demonstrative applications fabricated from these materials. (Stand No. D.514) 
1947 Company made public.
1960 Advert for percussive bits and rods for mining. 
1961 Manufacturers of pneumatic and mining tools. Finishers and polishers of stainless steel sheet, strip, bar and castings. 480 employees.