ASUSTek Computer Inc. (, , , ; ; stylised as ASUSTeK or ASUS) is a Taiwanese multinational computer and phone hardware and electronics company headquartered in Beitou District, Taipei, Taiwan. Its products include desktop computers, laptops, netbooks, mobile phones, networking equipment, monitors, wi-fi routers, projectors, motherboards, graphics cards, optical storage, multimedia products, peripherals, wearables, servers, workstations, and tablet PCs. The company is also an original equipment manufacturer (OEM). Asus is the world's 5th-largest PC vendor by unit sales as of January 2021. Asus appears in BusinessWeek "InfoTech 100" and "Asia's Top 10 IT Companies" rankings, and it ranked first in the IT Hardware category of the 2008 Taiwan Top 10 Global Brands survey with a total brand value of $1.3 billion. Asus has a primary listing on the Taiwan Stock Exchange under the ticker code 2357 and formerly had a secondary listing on the London Stock Exchange under the ticker code ASKD. Name The company is usually referred to as ASUS or Huáshuò in Chinese (, literally "Eminence by the Chinese"). According to the company website, the name Asus originates from Pegasus, the winged horse of Greek mythology. Only the last four letters of the word were used in order to give the name a high position in alphabetical listings. As its marketing taglines, Asus has used Rock Solid. Heart Touching (2003–2009) and subsequently Inspiring Innovation Persistent Perfection (2009–2013). Since 2013, the company's tagline has been In Search of Incredible. History Asus was founded in Taipei in 1989 by T.H. Tung, Ted Hsu, Wayne Hsieh and M.T. Liao, all four having previously worked at Acer as hardware engineers. At this time, Taiwan had yet to establish a leading position in the computer-hardware business. Intel Corporation would supply any new processors to more established companies like IBM first, and Taiwanese companies would have to wait for approximately six months after IBM received their engineering prototypes. According to company history, Asus created a motherboard prototype for using an Intel 486, but it had to do so without access to the actual processor. When Asus approached Intel to request a processor to test it, Intel itself had a problem with its own 486 motherboard. Asus solved Intel's problem and it turned out that Asus' own motherboard worked correctly without the need for further modification. Since then, Asus was receiving Intel engineering samples ahead of its competitors. In September 2005, Asus released the first