Grain Crushers by Sommer. The epitome of technology and quality since 1972 For deployment in grain mills, equine husbandry as well as agricultural livestock and poultry husbandry, beer brewing and distilling, in bakeries and deliessen manufacture. Our products. Maltman® Malt mills for beer brewers and distillers Product . Haferboy® Oat crushers for horse owners Product . Grainmaster Grain ...