Taiwan Semiconductor Manufacturing business Limited (TSMC; often known as Taiwan Semiconductor) is a multinational semiconductor contract manufacturing and design business headquartered in Taiwan. It is the most valuable semiconductor firm in the world, the world's largest dedicated independent semiconductor foundry, and one of Taiwan's largest corporations, with headquarters and principal operations in Hsinchu Science Park. Foreign investors own the majority of the company.

TSMC, founded in Taiwan in 1987 by Morris Chang, was the world's first dedicated semiconductor foundry and has long been the industry leader. Since 1993, it has been listed on the Taiwan Stock Exchange (TWSE: 2330); in 1997, it became the first Taiwanese business to be listed on the New York Stock Exchange (NYSE: TSM). Customers of TSMC include most of the main fabless semiconductor firms, including AMD, Apple, ARM, Broadcom, Marvell, MediaTek, Qualcomm, and Nvidia, as well as rising companies like as Allwinner Technology, HiSilicon, Spectra7, and UNISOC. TSMC's foundry services are also used or used by leading programmable logic device firms Xilinx and, earlier, Altera.

As of 2020, TSMC has a global capacity of around thirteen million 300 mm-equivalent wafers per year and manufactures chips for clients with process nodes ranging from 2 microns to five nanometres. TSMC was the first foundry to commercialize high-volume 7-nanometer and 5-nanometer production capabilities (used by the 2020 Apple A14 and M1 SoCs and the MediaTek Dimensity 8100), as well as the first to commercialize extreme ultraviolet (EUV) lithography technology.

Founded: 1987
Headquarters: Hsinchu, Taiwan
Website: https://www.tsmc.com/

Hon Hai Precision Industry Co., Ltd., often known as Hon Hai Technology Group in China and Taiwan and Foxconn in the rest of the world, is a Taiwanese multinational electronics contract manufacturer headquartered in Tucheng, New Taipei City, Taiwan. It is the world's leading manufacturer and provider of technological services as well as one of the largest Taiwanese companies by market capitalization. While the corporation is located in Taiwan, the majority of its revenue is generated by assets in mainland China, and it is one of the world's greatest employers.

Foxconn produces electronics for large American, Canadian, Chinese, Finnish, and Japanese corporations. The BlackBerry, iPad, iPhone, iPod, Kindle, all Nintendo gaming systems since the GameCube (except subsequent Nintendo DS models), Nokia devices, Cisco products, Sony devices (including the PlayStation 3 and PlayStation 4 gaming consoles), Google Pixel devices, and many more are all manufactured by Foxconn. Foxconn plants produced an estimated 40% of all consumer electronics sold worldwide in 2012.

According to analysts, the handover marks the company's future orientation, highlighting the importance of semiconductors, as well as technologies such as artificial intelligence, robots, and autonomous driving, once Foxconn's traditional main business of producing smartphones has matured. One of Foxconn's primary goals is to concentrate on semiconductors. Recently, Hon Hai has been attempting to diversify its business. In 2013, it entered the telecom sector by acquiring a license for Taiwan's fourth-generation high-speed mobile spectrum in an auction. It also strives to broaden the spectrum of things produced in contract manufacturing.

Founded: 1974
Headquarters: New Taipei, Taiwan
Website: https://www.foxconn.com/

MediaTek Inc. is a Taiwanese fabless semiconductor company that manufactures chips for wireless communications, high-definition television, handheld mobile devices such as smartphones and tablet computers, navigation systems, consumer multimedia products, digital subscriber line services, and optical disc drives. The business has 25 offices worldwide and was the third largest fabless chip designer in the world in 2016. The organization also provides reference designs to its customers.In Q3 2020, MediaTek overtook Qualcomm as the leading smartphone chipset vendor, with a 31% market share. This was aided by its great performance in countries like China and India.

The new strategic relationship between MediaTek and Intel demonstrates the company's status as a rising star. Intel's Foundry Services (IFS) will build chips created by MediaTek on its advanced process technologies for use in a variety of smart edge devices, according to a deal announced in late July. Intel intends to rebuild its leadership in semiconductor production by 2025, and believes that collaboration with MediaTek is critical to its chances in the foundry market.

According to research firm Counterpoint, the company has surpassed Qualcomm as the world's largest mobile processor producer by shipments, with a more than 40% market share in 2022. It is a supplier to prominent smartphone and electronics makers ranging from Samsung and Xiaomi to Amazon and Sony. According to the firm and research organizations, MediaTek is also the market leader in core processing chips for Android tablets, Chromebooks, and smart TVs.

Founded: 1997
Headquarters: Hsinchu, Taiwan
Website: https://www.mediatek.com/

Ranked 4th in the list of the largest Taiwanese companies by market capitalization is Chunghwa Telecom. Chunghwa Telecom Company, Ltd. is Taiwan's largest integrated telecom service provider and the country's incumbent local exchange carrier for PSTN, mobile, and broadband services. Chunghwa Telecom Co Ltd (Chunghwa) offers comprehensive telecommunications services. Through prepaid and postpaid connections, the company provides internet, voice, and value-added services for 3G and 4G networks, as well as local and domestic long-distance telephone services and Internet access. It also provides leased lines, cloud computing, ICT services, Wi-Fi services, HD video-on-demand programming, property sales, and electronic device sales. It also provides handsets, tablets, wearables, and data cards.

In addition to these traditional services, Chunghwa Telecom offers enterprise customers information and communication technology services such as big data, information security, cloud computing, and IDC, and is expanding its business into innovative technology services such as IoT, AI, and so on. All of these skills and products are aimed at creating an optimal communication environment to enable a pleasant and convenient digital lifestyle, as well as serving as a major partner for other international telecommunications service providers.

Chunghwa Telecom's products are distributed through owned and third-party retail locations, as well as a network of offices, service centers, and customer care contact centers. In Taiwan and other countries, the corporation serves retail, industrial, and commercial customers. In recent years, the Company has been actively involved in Corporate Social Responsibility programs, earning a number of domestic and international accolades and recognition. The Company intends to accomplish its aspirations and implement full-scale CSR by adhering to the highest governance principles and utilizing a legalized governance framework.

Founded: 1996
Headquarters: Taipei City, Taiwan
Website: https://www.cht.com.tw/

Formosa Petrochemical Corporation is a Taiwanese energy firm that refines crude oil, distributes refined petroleum products, manufactures and sells olefins, and generates electricity and steam. Its headquarters are in Taiwan's Mailiao Township, Yunlin County.

Formosa Petrochemical Corp. refines crude oil and sells and manufactures olefins such as ethylene, propylene, butadiene, and BTX. Gasoline, diesel, liquefied petroleum gas, aviation fuels, kerosene, naphtha, petrochemicals, fuel oil, asphalt, sulfur, base oil, lubricant, and refined petroleum products are among its goods. Electricity, steam, and other utility items generated by the company's co-generation power plants are also provided. Formosa Oil, a significant company, has a gas station chain. Formosa Petrochemical was the second largest oil refiner in Taiwan as of 2021, trailing only Chinese Petroleum Corporation. The company owns and runs Taiwan's only privately held refinery and naphtha cracking plant.

Formosa Petrochemical has developed a stable foundation and begun to conduct diverse and international enterprises after more than 60 years of development. Aside from its stronghold in the petrochemical business, FPG has also achieved success in the electronics industry. FPG wants to continue to build a better tomorrow for all by focusing on sustainable corporate development as well as societal health and prosperity.

Founded: 1992
Headquarters: Yunlin County, Taiwan
Website: https://www.fpcc.com.tw/

Next one in the list of the largest Taiwanese companies by market capitalization is Delta Electronics. Delta Electronics, Inc. (abbreviated DELTA or Delta Electronics) is a Taiwanese electronics manufacturer. Its headquarters are in Taipei's Neihu district. It is well-known for its switching power supply and DC industrial and computer fans. The corporation has roughly 200 facilities worldwide, including production, sales, and research and development departments. Delta provides some of the most energy efficient power products in the industry, including switching power supplies with efficiency levels over 90%, telecom power with efficiency levels exceeding 98%, and PV inverters with efficiency levels exceeding 99.2%.

Delta Electronics is a frequent recipient of international awards and other forms of recognition for its innovation, design, and ongoing commitment to ESG. Delta has been a Dow Jones SustainabilityTM Indices DJSI World Index member for 12 years in a row, beginning in 2011. Delta was also honored by CDP with two "A" leadership level ratings in 2020 for its significant contribution to climate change and water security challenges, as well as named Supplier Engagement Leader for the third consecutive year for its continual development of a sustainable value chain.

Delta Group has sales offices and manufacturing units all around the world, including Taiwan, China, Thailand, Mexico, India, and Europe. Delta's aim as a global developer in power electronics is "to provide innovative, clean, and efficient energy solutions for a better tomorrow." Delta Electronics is devoted to environmental conservation and has long established green, lead-free manufacturing and waste management activities.

Founded: 1971
Headquarters: Taipei, Taiwan
Website: https://www.deltapowersolutions.com/

Fubon Financial Holding Co., Ltd. is a financial investment holding firm that includes the following subsidiaries: Fubon Asset Management, Fubon Insurance Co. Ltd., Fubon Securities, Fubon Bank (now Taipei Fubon Bank), Fubon Life, Fubon Bank (China), and Fubon Bank (Hong Kong) Limited. The holding company was established on December 19, 2001. Through its subsidiaries, it provides life insurance, property and casualty insurance, banking, futures, investment management, securities, venture capital, direct marketing consultancy, and asset management services.

Bank Business, Insurance Business, Life Insurance Business, Securities Business, and Others are its segments. Fubon Financial, like Cathay Financial Holding, derives the majority of its profits from life insurance. It has grown across the region in recent years, particularly in China. Fubon also owns Taiwan Mobile, a significant wireless carrier in Taiwan.

Fubon Financial Holdings has been active in Taiwan for almost 60 years. It is committed to assisting individuals in pursuing a better future with positive power and comprehensive financial services under the new brand concept of "Be positive all possible" (Be positive all possible). Fubon Financial Holdings is more dedicated to promoting long-term management. It has fully implemented the "Sustainable Management ESG Vision Project" since 2015. It will begin focusing on the four primary ESG strategic axes of "low-carbon, digital, incentive, and impact" in 2021, showcasing sustainable development practice. The willingness to commit. International professionals have recognized Fubon Financial Holdings and its subsidiaries' strong performance in sustainable operations.

Founded: 2001
Headquarters: Taipei, Taiwan
Website: https://www.fubon.com/

United Microelectronics Corporation is a Taiwanese corporation with headquarters in Hsinchu, Taiwan. It was created in 1980 as a spin-off of the government-sponsored Industrial Technology Research Institute as Taiwan's first semiconductor firm. It is also one of the largest Taiwanese companies by market capitalization. UMC is primarily known for its semiconductor foundry business, which produces wafers of integrated circuits for fabless semiconductor businesses. In this function, UMC is behind competitor TSMC. The automotive sector relies heavily on UMC.

To serve all key sectors of the electronics industry, the firm offers high-quality IC fabrication services, with an emphasis on logic and numerous speciality technologies. United Microelectronics's complete IC processing technologies and manufacturing solutions include logic/Mixed-Signal, embedded High-Voltage, embedded Non-Volatile-Memory, RF SOI, and BCD. The majority of UMC's 12-in and 8-in fabs, as well as its main R&D, are situated in Taiwan, with additional facilities dispersed around Asia. UMC now operates 12 fabs with a combined capacity of approximately 800,000 wafers per month (8-in equivalent), all of which are IATF 16949 automotive-quality certified.

In the foundry market, TSMC's closest competition is South Korea's Samsung, however the South Korean semiconductor chain is more based on the chaebol structure of massive corporations with centralized control. The nearly 700 companies that comprise the TSMC supply chain, on the other hand, operate independently, however they must collaborate closely with other companies within the "ecosystem" to guarantee that the supply chain is constantly optimized.

Founded: 1980
Headquarters: Hsinchu, Taiwan
Website: https://www.umc.com/

Cathay Financial Holding is a Taiwanese financial services conglomerate that provides banking, insurance, and brokerage services. Cathay was founded in 1962 by brothers Tsai Wan-lin and Tsai Wan-chun as a life insurance company. The company's life insurance business was so successful that it was the most expensive stock on Taiwan's stock exchange in 1989. Life insurance is still the company's most profitable business. Cathay merged its numerous subsidiaries and established as a financial holding company in 2001. Cathay has been expanding across Asia, particularly in China, in recent years, and it was the first Taiwanese company to establish a life insurance operation on the mainland.

Cathay Financial Holding Co., Ltd. is a financial services provider. Banking, Life Insurance, Property and Casualty Insurance, Securities, and Other are its business segments. Banking operational sectors operate commercial banks' permissible businesses as defined by the Republic of China's Banking Act. Life Insurance sells basic insurance plans, investment-linked insurance policies, and floating-rate annuity insurance products. Fire, marine, land and air, liability, bonding, reinsurance, and other insurance are all part of the Properties and Casualty Insurance division. Securities brokerage, discretionary, and underwriting are all part of the Securities segment. Assets, liabilities, revenue, and expenditure that cannot be allocated to specific operating segments are included in the Other segment.

Founded: 2001
Headquarters: Taipei, Taiwan
Website: https://www.cathayholdings.com/

To end the list the largest Taiwanese companies, Toplist would like to mention Nan Ya Plastics. Nan Ya Plastics Corporation, founded in Taiwan in 1958, specializes in the secondary processing of plastics such as PVC pipe and PP synthetic paper. The organization has expanded, flourished, and thrived after many years of hard work. Plastics processing, plastic materials, electronics materials, and polyester products are the company's four primary product areas. Based on public information supplied by its competitors, Nan Ya Plastics Corporation asserts it is the world's largest maker of secondary plastics in terms of manufacturing capacity. It is also the world's biggest producer of polyester fibers and copper-clad laminates of electrical components.

Nan Ya Plastics has been establishing a variety of plastic products secondary processing plants on the mainland of Guangzhou, Huizhou, Xiamen, and Nantong, among other places, in order to respond to customers in the price, delivery, research and development, and after-sales service, and other aspects of the request, since 1994. The middle and lower stream reaches of the production system have always been the factory, the closest of services to the original three processing customers, in the Kunshan region to set up a series of printed circuit boards and other electronic products vertically integrated plant, and the construction of polyester fiber products.

Founded: 1958
Headquarters: Taipei City, Taiwan
Website: https://www.npc.com.tw/