National Express West Midlands (NXWM) is a bus operator in the West Midlands that operates services in Birmingham, Dudley, Sandwell, Walsall, Wolverhampton, and Solihull, as well as limited routes outside of the general area of Birmingham, such as the X1 to Coventry, or the 144A to Bromsgrove. NXWM is a subsidiary of National Express. From Wikipedia
