Founded in 1994, Crystal Distribution is one of the leaders in the curb adapter industries in the United States. It offers a range of products, including concrete curb adapters, equipment rails, horizontal curbs, burglar bars, ductwork accessories and coil and hair guards. The company also specializes in multi-zone curb adapters equipped with galvanized steel. Crystal Distribution offers products with pitched, width and height changes, multiple pitch and canted profile options. It additionally offers exhaust fan and horizontal curbs, vibration isolation rails, dampers, louvers and custom installed accessories. Crystal Distribution maintains a location in Elk River, Minn.