MKSI vs AMKR Comparison

MKS Inc formerly, MKS Instruments Inc is engaged in providing instruments, subsystems, and process control systems used to measure, monitor, deliver, and control parameters of manufacturing processes. The company's product portfolio includes instruments, components, and systems required in manufacturing products such as flat panel displays, medical devices, and electronic materials, among others, used in industrial technologies, semiconductors, life and health sciences, and research and defense markets. The company organizes itself into three reportable business segments: Vacuum Solutions, Photonics Solutions, and Materials Solutions. The Vacuum Solutions segment contributes the majority of the company's revenue.

Amkor Technology Inc is a OSAT (outsourced semiconductor assembly and test) service provider. It has pioneered the outsourcing of integrated circuit (IC) packaging and test services and is a strategic manufacturing partner for the semiconductor companies, foundries, and electronics original equipment manufacturers (OEMs). The firm's products are organized into two categories namely advanced products that include flip chip, fine pitch bumping, wafer-level processing, advanced SiPs, power modules, and others, and Mainstream products that includes wirebond packaging and testing. The company derives maximum revenue from the advanced products category. The company derives majority of its revenue from Foreign states.