craftsmen.Corresponding, Superior has provided machine shop; repair; rebuild; replacement and reconditioning of components and major sub systems of a variety of gyratory and jaw type...Superior Machine Superior Machine Co. of S.C., Inc. frequently referred to by its customers as Superior has provided repair, replacement, rebuilds of electric arc furnace... and service facilities in both North and South Carolina. In addition, it has sales and engineering offices in Ohio and Pennsylvania. SUPERIOR MACHINE CO. of S.C., Inc.692 N. Cashua Dr...