AT&T

One of the largest telecommunications and networking companies, AT&T has also entered the entertainment and communications industry, providing next-generation television services.

Alcatel-Lucent

Alcatel-Lucent today provides hardware, software and services to telecommunications services providers and enterprises around the world.

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.

British Telecom

Telecommunications giant British Telecom, more commonly known as BT, serves businesses and home users in more than 170 countries.

China Mobile

Established in 2000, China Mobile has grown to become the world's largest mobile phone operator in terms of the number of subscribers it serves.

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.

Deutsche Telekom

Germany's largest telecommunications company, Deutsche Telekom, now provides information technology and telecommunication services such as fixed-network, wireless and broadband across 50 countries.

Ericsson

Over 1,000 networks in 140 countries use Ericsson's network equipment and 40 percent of all mobile calls are made through the company's systems.

France Telecom

Europe's top broadband Internet services provider and No. 3 mobile operator, serves more than 177 million customers in five continents.

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.

Huawei Technologies

Huawei would have made a US$2.2 billion acquisition of American network security equipment maker 3Com if the U.S. government had not prevented its attempt.

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".

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.

NTT

NTT's portfolio of offerings to businesses and individuals worldwide include local, long distance and international voice services as well as wireless, Internet access and data center services.

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.

SingTel Group

SingTel has a history that traces back to 1879 when Singapore became one of the first cities in Asia to have telephone services, three years after the technology was patented by Alexander Graham Bell.

Sun Microsystems

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

Verizon Communications

Founded in 1983, Verizon employs more than 235,000 people and provides wired and wireless telephone services as well as Internet access and television services.

Xerox

Synonymous with the word "photocopy", document management company Xerox's businesses now extend to office and production equipment as well as consulting and outsourcing.

ZTE

Founded in 1985 with ties to the People's Liberation Army, ZTE is based in Shenzhen, China, and has about 50,000 employees, of whom 8,000 are located in some 100 representative offices around the world.