Shamrock Foods Co. specializes in the manufacturing and distribution of food and food-related products through a family of companies, including Shamrock Foods, a foodservice distributor, and Shamrock Farms, a family-owned and -operated dairy. Shamrock Foods has a presence in the western United States and serves restaurant, hospitality and institutional foodservice customers.

Headquarters:Phoenix, Ariz.
U.S. Sales Volume:$5.4 Billion