Shamrock Federal Credit Union is located in Dumas, Texas. We have a variety of services including checking accounts, savings accounts, IRA's, Time Share Certificates and much more! Our membership is open to all persons who live, work, worship or attend school in and business and other legal entities located in Moore County, Texas and Live Oak County, Texas. Also, all employees and retired employees of Valero, Ultramar Diamond Shamrock, Midgard, Maxus and other employee groups.