HOUSTON — Ref-Chem LP recently added Chris Chism to its team. Chism, a Texas A&M University graduate, was recently appointed as the director of estimating. He previously worked for a heat tracing specialty contractor for 10 years where he gained experience serving as an estimating manager, a global business manager for a tank insulation product and a global process improvement leader. For more information, visit www.ref-chem.com or call (888) 685-8531.