Pro-Tec Engineered BuildingsSioux Steel Co. Protect and cover your bunker storage permanently Sturdy, durable gable truss building Single tube, truss arch, sentry series and gable style options available Economical cost/bushel Request More Info Fill out the form below to request more information about Pro-Tec Engineered BuildingsMore From Sioux Steel Co.Court upholds Sioux Steel's patent infringement verdictPrairie Land Millwright Services' was found to have willfully infringed on Sioux Steel’s patent for grain bin paddle sweeps.Cornado Grain SpreaderDesigned to handle up to 8,000 bushels/hourDPS G2Commercial Grain SystemsFlexStor Grain Bag Loading and Unloading SystemFlexStor AugerVacGPS (Grain Push System)12- to 36-foot Hopper BinsCage and platform packages for outside ladderDPS 12KDust Suppression HopperSmall degree of natural agitation helps exclude air from the material being transferred as the hopper is filled