Leprino Foods is the worlds largest mozzarella cheese maker and a leading supplier of dairy ingredients. Headquartered in Denver, Colorado, the privately owned company supplies mozzarella, provolone, string cheese, whey protein, lactose, dairy permeate and micellar casein to pizza chains, food manufacturers and nutritional product formulators worldwide. Founded in 1950 by Italian immigrant Mike Leprino, the company remains family controlled and operates 12 U.