UMC

United Microelectronics Corporation manufactures semiconductors, the tiny chips that power phones, computers, and consumer electronics. The company operates a foundry, which means other companies send them chip designs and UMC manufactures the actual chips on silicon wafers, then tests and packages them for shipment. UMC also offers design services to help customers create their chips and provides support in areas like solar technology and venture capital. The company operates factories in Taiwan and serves customers worldwide.