Axcelis Technologies, Inc. (ACLS)
Axcelis Technologies, Inc. designs, manufactures, and services ion implantation and other processing equipment used in the fabrication of semiconductor chips in the United States, Europe, and Asia. The company offers high energy, high current, and medium current implanters for various application requirements.
MKS Instruments, Inc. (MKSI)
MKS Instruments, Inc. provides instruments, systems, subsystems, and process control solutions that measure, monitor, deliver, analyze, power, and control critical parameters of manufacturing processes worldwide. Its Vacuum & Analysis segment offers pressure and vacuum control solutions, including direct and indirect pressure measurement; materials delivery solutions comprising flow and valve technologies, as well as integrated pressure measurement and control subsystems
Cohu, Inc. (COHU)
Cohu, Inc., through its subsidiaries, engages in the semiconductor test and inspection equipment, and printed circuit board (PCB) test equipment businesses in China, the United States, Taiwan, Malaysia, the Philippines, and internationally. It supplies semiconductor test and inspection handlers, micro-electromechanical system (MEMS) test modules, test contactors, thermal sub-systems, semiconductor automated test equipment, and bare board PCB test systems for semiconductor and electronics manufacturers, and test subcontractors.