Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,061 pages of information and 222,696 images on early companies, their products and the people who designed and built them.
of Lea Brook Tube Works, Wednesbury
1888 Company established.
1893 Incorporated as a limited company. The business which had been carried on by Humphrey Foster as Ratcliff and Foster was converted into a private limited company as Foster Brothers
1911 Manufacturer of Tubes for the Railways.
1914 Tube makers and engineers. Specialities: tubes and fittings, high-pressure steam pipe-work. 
1934 Iissued bankruptcy notice against Clifford Llewellyn Brown
Presumably later Fosters Power Piping of Wednesbury