 HOUSTON--BUSINESS WIRE--- OEC chemicals--Orion Engineered Carbons NYSE: OEC, a leading supplier of specialty and high-performance carbon black, today announced that CEO Corning Painter has joined over 2,000 other chief executive officers from 85 industries by signing the CEO Action for Diversity Inclusion pledge. It is the largest CEO-driven business commitment to advance diversity and inclusion in the workplace. Diversity and inclusion can be difficult topics to navigate, but if we avoid constructiv 