Vanguard International Semiconductor Corporation is a leading provider of integrated circuit foundry services based in Taiwan. The company primarily engages in the manufacturing, packaging, and testin... Vanguard International Semiconductor Corporation is a leading provider of integrated circuit foundry services based in Taiwan. The company primarily engages in the manufacturing, packaging, and testing of semiconductor wafers and devices, offering advanced process technologies such as BCD, UHV, SOI, discrete semiconductors, HV, MEMS, eFlash, and GaN, as well as comprehensive backend and design support services. Vanguard International Semiconductor serves a wide array of industries, including automotive electronics, computers and peripherals, communications, consumer electronics, and industrial products. With a global client base spanning Asia, America, and Europe, the corporation is recognized for its role in supporting the supply chain for diverse semiconductor applications. As of 2025, Vanguard International Semiconductor ranks among Taiwan’s major foundries, with significant institutional ownership, including a notable stake held by Taiwan Semiconductor Manufacturing Company. The company continues to contribute to the growth and innovation within the worldwide semiconductor value chain through its focus on technology, quality, and service excellence.