Dansco Manufacturing, located in Abilene, TX, builds and sells its own line of Pump Jacks, sizes ranging from 25's to 912's, and the exclusive maker of the Magnum, a Pump Jack specifically designed for fiberglass rods. They also have a wide range of used parts and units available for sale. They carry a complete line of parts, and can service units in their shop, or in the field. You can visit them at www.danscomfg.com