Computer companies established in 1981

Logitech International S.A. ( ) is a Swiss multinational manufacturer of computer peripherals and software. Headquartered in Lausanne, Switzerland, the company has offices throughout Europe, Asia, Oceania, and the Americas. It is a component of the Swiss Market Index, and is listed on the Nasdaq.

former American company

Singaporean technological company

semiconductors and software designer

Kaypro Corporation was an American home and personal computer manufacturer based in Solana Beach, California, in the 1980s. The company was founded by Non-Linear Systems (NLS) to compete with the popular Osborne 1 portable microcomputer. Kaypro produced a line of rugged, luggable CP/M-based computers sold with an extensive software bundle which supplanted its competitors and quickly became one of the top-selling personal computer lines of the early 1980s.

Spectravideo International Limited (SVI) (printed as Spectra Video, with the space, in game manuals) was an American computer manufacturer and software house. It was originally called SpectraVision, a company founded by Harry Fox in 1981. The company produced video games and other software for the VIC-20 home computer, the Atari 2600 home video game console, and its CompuMate peripheral. Some of their own computers were compatible with the Microsoft MSX or the IBM PC.

Brand name of equipment manufactured by Schneider Electric which continues product line of American Power Conversion

thumb|180px|right|Weitek 4167 for i486-based computers right|thumb|180px|Architecture of Weitek's WTL 1167thumb|180px|Weitek SPARC Power μP thumb|180px|right|Weitek Power9100 Weitek Corporation was an American chip-design company that originally focused on floating-point units for a number of commercial CPU designs. During the early to mid-1980s, Weitek designs could be found powering a number of high-end designs and parallel-processing supercomputers.

Computacenter plc is a British multinational that provides information technology services to public- and private-sector customers. It is a UK company based in Hatfield, Hertfordshire. The company is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.

Wyse Technology, Inc., or simply Wyse, was an independent American manufacturer of cloud computing systems. Wyse are best remembered for their video terminal line introduced in the 1980s, which competed with the market-leading Digital. They also had a successful line of IBM PC compatible workstations in the mid-to-late 1980s. But starting late in the decade, Wyse were outcompeted by companies such as eventual parent Dell. Current products include thin client hardware and software as well as desktop virtualization solutions. Other products include cloud software-supporting desktop computers, la

U.S. computer manufacturer, later named "Stride Computers"

American hardware and software company