CMC Materials to Acquire International Test Solutions International Test Solutions is a leader of highly-engineered materials used to optimize semiconductor testing processes. March 01, 2021 06:00 ET | Source: CMC Materials CMC Materials Aurora, Illinois, UNITED STATES Aurora, IL, March 01, 2021 (GLOBE NEWSWIRE) -- CMC Materials, Inc. (Nasdaq: CCMP) today announced that it has entered into an agreement to acquire International Test Solutions, Inc. (ITS), a leader in the design and production of innovative, high-performance consumables used to optimize critical semiconductor testing processes. Headquartered in Reno, Nevada and supplying to semiconductor manufacturers globally, ITS will become part of the company’s Electronic Materials business segment.