This milk is from cows not treated with the growth hormone rBST. North Coast excellent certified. Free farmed. American Humane Association monitored. A pioneer in the dairy industry, Clover Stornetta Farms is a third-generation family-owned and operated dairy company located in Petaluma, California. Clover focuses strongly on sustainability and the humane treatment of animals so you can enjoy Clover Stornetta Farms dairy products in good conscience and good health. Grade A pasteurized homogenized vitamin D milk.