WMH Corporation is a civil engineering and planning firm that provides project management, planning and design services throughout California. Our skills have been proven by the successful completion of numerous projects for state and local agencies. These projects include planning, preliminary engineering, final design and construction support services for new roadway alignments, roadway widening and extensions, interchanges and intersections, roadway rehabilitation, toll plaza improvements, airport infrastructure, local road improvements, transit, truck and bicycle and pedestrian facilities - in a variety of geographic and environmental settings.