Apple

The computer manufacturer-turned-smartphone maker has been enjoying great success recently with its iPhone, as corporations too start looking seriously at the iPhone 3G.

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.

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.

Hitachi

Founded in 1910 and incorporated in 1920, Hitachi started as an electrical repair shop. Today, it has a workforce of some 389,752 around the world.

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.

LG Electronics

In July, the South Korean electronics powerhouse announced plans to fuse its PC and mobile phone divisions, with a bid to increase its focus on smartphones, ultramobile PCs and "network infotainment".

Lenovo Group

Lenovo was the official computer equipment sponsor of the Beijing Olympic Games held in August this year, and also designed the 2008 Olympic torch.

Microsoft

Best known for its Windows operating system and application software, Microsoft continues to ramp up efforts in the online search business.

Motorola

The world's No. 3 handset maker, Motorola, is looking to Android handsets to help the company revive its mobile-phone unit.

NEC

NEC is a leading provider of information technology and network products, and ranks among the world's top 20 chip makers.

Nokia

Headquartered in Finland, telecommunications equipment and phone manufacturer Nokia was founded in 1865 with roots in paper, rubber and cables. It now has 123,006 employees.

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.

Toshiba

The company that has made its mark in flash memory and PC manufacturing is also a keen provider of digital products, electronic devices and components.