Capitol Heights Maps Publishers and Distrs 8119 Central Ave Map printing, folding and production specialists since 1921. Equipment includes the largest printing presses currently made and the largest map folder in the world. Capitol Heights MD Maps Publishers and Distrs Williams and Heintz Map Corp www.whmap.com GIS maps GIS printing solutions GIS map production sheet-fed printing cartography map folding film output full service bureau woman owned GIS maps GIS printing solutions GIS map production sheet-fed printing cartography map folding film output full service bureau woman owned Business Reviews Williams and Heintz Map Corp Testimonials