Events Calendar Display Shamrock Foods Co. Share: Dairy Product Manufacturing Shamrock Foods Co. Request Info 2228 N. Black Canyon Hwy. Phoenix, AZ 85009 (602) 272-6721 (602) 233-2791 (fax) About Map About Shamrock Farms, the largest dairy in the Southwest, produces and distributes farm-fresh milk, as well as whipping cream, sour cream, cottage cheese, ice cream and frozen novelties. For more information, visit www.shamrockfarms.net. What's Nearby? Distance: 5 10 15 20 25 50 mi.