Superior Industries Inc., maker of conveyor systems and their related components, bought GreyStone Inc., a washing, classifying and dewatering solutions manufacturer, and changed the company’s name to Superior Industries.
GreyStone makes a full line of washing/screening plants, sand classification tanks and systems, dewatering screws, coarse material washers, log washers, computer control systems, water clarifiers, rotary and vibrating screens, blade mills, dewatering screens, twin jets and cutter heads. It has operations in Columbus, Neb., and will continue prod`uction at its factory there.
The company sells its equipment through a network of dealers in North America, Europe, Africa and Australia. in Columbus, Neb. GreyStone traces its beginnings back to 1956. James Holmberg III, son of owners James and Mary Lou Holmberg, has served as GreyStone’s president for the past four years.