KLA Corporation is one of the world’s largest manufacturers of semiconductor wafer fabrication equipment (WFE). The company focuses on semiconductor process control, providing machines that inspect wafers for defects and confirm precise measurements during both research and development and high-volume manufacturing. KLA holds a majority share in this market segment. It also has limited exposure to the etch and deposition areas of the WFE market. Its major customers include some of the world’s leading chipmakers, such as TSMC and Samsung.