Amkor is the world's largest U.S.-headquartered outsourced semiconductor assembly and test service provider, offering comprehensive turnkey packaging and test solutions to integrated device manufacturers, fabless semiconductor companies, and original equipment manufacturers. The company provides advanced packaging technologies such as flip chip, high-density fan-out, wafer-level packages, and system-in-package solutions alongside mainstream wirebond and test services, serving end markets including communications, computing, automotive, and consumer electronics. Amkor generates revenue on a turnkey services basis where customers consign materials, benefiting from industry outsourcing trends driven by the capital intensity of semiconductor manufacturing and customers' preference to focus on design and fabrication while outsourcing assembly and testing operations.