Shamrock Farms is a dairy company in Phoenix, Arizona, United States. Its mascot is a cow named "Roxie." Founded in 1922, Shamrock Farms is the largest family-owned and operated dairy in the Southwest. It produces and distributes a full line of dairy products. It is owned by the McClelland family. Mmmmilk brand Mmmmilk is a well known milk brand distributed by Shamrock Farms in the Southwestern United States. The milk brand is produced in Arizona. Shamrock Farms sponsors the Arizona Diamondbacks, and some of their bottles have featured Diamondback players such as Mark Grace and Luis Gonzalez. Shamrock Foods also provides commercial foodservice. Shamrock Mmmmilks are made in the following flavors: Mmmmilk Whole White 2% Reduced Fat White 1% Low Fat White Fat Free Plus Calcium White Vanilla (2%) Chocolate (2%, Whole) Strawberry (2%) No Sugar Added 1% Chocolate Orange Cream Cold Brew Coffee and Milk: Original Vanilla Moch See also List of dairy product companies in the United States References External links Shamrock Farms website Dairy products companies of the United States Manufacturing companies based in Phoenix, Arizona