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In June 2014, Superior Industries, Inc., announced an agreement to purchase GreyStone, Inc., a manufacturer of washing, classifying and dewatering solutions based in Columbus, Nebraska. From individual equipment to complete, engineered systems, GreyStone manufactures:
  • 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
Watch these webpages evolve as we work to integrate these new washing and classifying solutions into our growing portfolio of bulk material handling and processing systems.

Contact Superior's New Washing & Classifying Division
  • P: (402) 564-9505
  • F: (402) 564-6694