Companies based in Hsinchu

MediaTek Inc. (), sometimes informally abbreviated as MTK, is a Taiwanese fabless semiconductor company that designs and markets a range of semiconductor products, providing chips for wireless communications, high-definition television, handheld mobile devices like smartphones and tablet computers, navigation systems, consumer multimedia products and digital subscriber line services as well as optical disc drives.

Realtek Semiconductor Corp. () is a Taiwanese fabless semiconductor company situated in the Hsinchu Science Park, Hsinchu, Taiwan. Realtek was founded in October 1987 and subsequently listed on the Taiwan Stock Exchange in 1998. Realtek has manufactured and sold a variety of microchips globally. Its product lines broadly fall into three categories: communications network ICs, computer peripheral ICs, and multimedia ICs. As of 2019, Realtek employs 5,000 people, of whom 78% work in research and development.

Chatime () is a Taiwanese global franchise teahouse chain based in Zhubei. Chatime is the largest teahouse franchise in the world. Its expansion and growth model is through franchising. It operates 2500+ outlets in 38 countries. In 2006, it opened its first store outside of Taiwan in California, United States and it has since expanded to China, Malaysia, Mauritius, Canada, Bangladesh, Indonesia, Philippines, Cambodia, Thailand, United Kingdom, United States, Australia, New Zealand, Maldives, India, Ireland, United Arab Emirates, Japan, Mongolia, Lebanon and South Korea, Switzerland among other