Taiwan Semiconductor Manufacturing Company. TSMC is the world’s largest semiconductor foundry, manufacturing 9,920 different products using 258 distinct technologies for 465 different customers in 2017. TSMC pioneered the pure-play foundry business model by focusing solely on manufacturing customers’ products. By choosing not to design, manufacture or market any semiconductor products under its own name.

Headquarters in Taiwan and core business is refining crude oil and selling petroleum products.

Primarily in the business of refining crude oil, selling refined petroleum products and producing and selling olefins (including ethylene, propylene, butadiene, and BTX) from its naphtha cracking operations, FPCC is the first privately-owned refinery and the leading ethylene producer in Taiwan.

Electronics Manufacturing Company with expertise in manufacturing LCD display panels right from mobile to big TV's with headquarters in Taiwan.

Popularly known as Foxconn. Manufactures Electronic Products and Components, Computer Components on contract basis with headquarters in Taipei, Taiwan.

Telecom Company with headquarters in Taipei, Taiwan.

Semiconductor technology company with headquarters in Taiwan. UMC (NYSE: UMC, TWSE: 2303) is a leading global semiconductor foundry that provides advanced IC production for applications spanning every major sector of the electronics industry.

Manufacture and Sells Plastic Materials and Chemical Fiber Materials. Company headquarters in Taiwan.

Finacial Services and Asset Management Company with headquarters in Taiwan and offering banking, insurance and brokerage services.

Produces and Sells Chemicals and Petro Chemicals, Petro Chemical Plastic Raw Materials, Synthetic Fibers. Company headquarters in Taiwan.

Manufactures and Supplies Camera Lens for Mobiles, Tablets, Laptops, Digital Cameras, Automobiles. Headquarters in Taiwan.