Main Street Ingredients makes functional ingredients and stabilizers for the food manufacturing industry. Its products are used by companies in the baking sector for use in breads, cakes, cereals, as well as beverage manufacturers who make sports and nutritional drinks. The firm also manufactures dairy ingredients such as whey protein concentrates, lactose, and nonfat dry milk that are used in ice cream, cheese and other dairy products. Its brands include Keystone (stabilizers), Capstone (dairy ingredients), Gemstone (bakery ingredients), and Cornerstone (functional proteins). Main Street's ingredients are available in the US and more than 20 other countries. In late 2010 the company was acquired by Agropur.