Milton Keynes is one of the fastest growing urban areas in the United Kingdom and has become established as a major centre for industry and commerce. Milton Keynes is situated approximately 55 miles north of London and 70 miles south of Birmingham. Mainline railway services are available from Milton Keynes Central to London Euston Birmingham and beyond. Knowlhill is a popular location approximately one mile to the south west of Central Milton Keynes. Other companies located at Knowlhill include British Standards Institute, Leica, National House Building Council, Routeco Plc, Sai Global Assurance, Madison Cycles and the National Energy Foundation.