Compressed Air Services Inc. is a provider of air compressor and pneumatic systems. Based in Hagerstown, Md., it offers a host of products, such as lubricants, air dryers, air filters, receiver tanks, pneumatic valves and drain valves. The firm services all makes and models and provides consulting and engineering services for new compressed air and pneumatic systems, as well as existing systems. Compressed Air Services Inc. serves a four-state area, including Maryland, Virginia, Pennsylvania, West Virginia and the District of Columbia.