The II-VI EpiWorks Division of II‐VI Incorporated (NASDAQ:IIVI), a leading provider of compound semiconductor epitaxial wafers, announced November 28, 2016, that it is breaking ground on a state-of-the-art production facility in Champaign, Illinois. The expansion is expected to be complete by mid-2017 and will enable a quadrupling of capacity in Champaign over the next three years.