 Northwest of the station is an engineering works, established on a smaller site north of the station in 1842 by Rowland Brotherhood to support the Great Western Railway, and later supplying equipment to the worldwide rail industry.From 1894 it was home to the company which in 1935 became Westinghouse Brake and Signal, manufacturers of railway air braking and signalling equipment.Westinghouse was acquired by Hawker Siddeley in 1979, then sold to BTR in 1992.