HOUSTON — Anthony Garza, who joined Ref-Chem in November as a controller, will now serve in the additional capacity of overseeing Ref-Chem’s Procurement Department and Equipment Department. Garza has a Masters of Business Administration degree from the University of Texas-Permian Basin, and he is also a certified public accountant. For more information, visit www.ref-chem.com or call (888) 685-8531.