 United Microelectronics Corp. UMC , Financial is a Taiwanese chip foundry that has operated in the shadow of its larger brethren, Taiwan Semiconductor Manufacturing Co. Ltd. TSMC. While its market capitalization pales by comparison to Taiwan Semiconductor, as well as Samsung XKRX:005930 , Financial and Global Foundries GFS , Financial, it still maintains a steady revenue growth business at the low nanometer end of the consumer chip sector. 