Amkor Technology Inc is a provider of outsourced semiconductor packaging and test services to integrated device manufacturers, fabless semiconductor companies, and contract foundries. 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.