Londonvale Inc

Clark is one of eastern Pennsylvania's premier contracting and facility-service companies. Founded in 1931, Clark offers design, construction and maintenance of mechanical and electrical systems for an array of commercial, industrial and institutional applications. As design/build contractors, Clark can design electrical and space-conditioning, fire alarm, communications and control systems by utilizing engineering and computer-aided design technology. Its design services include budgeting, estimation, scheduling, drawing preparation and value engineering. Clark is located in Paradise, Pa.