Asustek

Commonly known as Asus, the company was the first computer maker to sell the popular low-cost subnotebooks with displays smaller than 10 inches in size, in the form of its Eee PC line.

Canon

Best known for its cameras, photocopiers and computer printers, Canon also offers a range of enterprise-class products including document imaging software.

Cisco Systems

While Cisco Systems' core development areas continue to be in routing and switching, it also provides advanced technologies such as IP communications, application networking services and network security.

Dell

The PC company founded by Michael Dell in 1984 has grown to become a giant providing storage systems, mobility products, enhanced services, software and peripherals.

EMC

Founded in 1979, this storage stalwart has presence in more than 60 countries around the world and employs approximately 38,000 globally.

Fujitsu

Established in 1935 and headquartered in Tokyo, IT services provider Fujitsu employs 167,000 people globally.

Hewlett-Packard

Founded in 1939. Hewlett-Packard now operates in more than 170 countries providing printing and computing products, as well as IT services and software.

IBM

IBM, whose businesses include software, storage, servers and services, has also ventured into new areas such as environmental, social networking and "cloud computing" technologies.

Intel

Intel posted a record revenue of US$10.2 billion for the quarter that ended Sep. 30, and net income was up by 12 percent year-on-year to US$2 billion.

Oracle

While it is best-known for its flagship product Oracle database, the company also makes tools for database development as well as middle-tier, ERP, CRM and SCM software.

Samsung

With a vision of "Leading the Digital Convergence Revolution", Samsung's portfolio includes memory chips, LCDs, computers and telecommunication devices.

Seagate Technology

Seagate, founded at the dawn of the computer revolution in 1979, was the first to build 5.25-inch hard-disk drives for the PC. Three decades later, disk drives are still its core business.

Sony

Founded in 1946, Tokyo-based consumer electronics and entertainment giant Sony has 180,500 employees across the globe.

Sun Microsystems

A proponent of open systems and Unix, Sun Microsystems is also a major contributor to open source.

Western Digital

Hard drive maker Western Digital has its eyes on the solid-state drive (SSD) market when there is an "appropriate opportunity".