Nokia Corporation is a Finnish multinational communications corporation that is headquartered in Keilaniemi, Espoo, a city neighbouring Finland's capital Helsinki. 

Nokia is engaged in the manufacturing of mobile devices and in converging Internet and communications industries, with 128,445 employees in 120 countries, sales in more than 150 countries and global annual revenue of EUR 50.7 billion and operating profit of 5.0 billion as of 2008.

It is the world's largest manufacturer of mobile telephones: its global device market share was about 38% in Q2 2009, down from 40% in Q2 2008 and up from 37% in Q1 2009. 

Nokia produces mobile devices for every major market segment and protocol, including GSM, CDMA, and W-CDMA (UMTS). Nokia offers Internet services that enable people to experience music, maps, media, messaging and games.

Nokia's subsidiary Nokia Siemens Networks produces telecommunications network equipment, solutions and services. The company is also engaged in providing digital map information through its wholly-owned subsidiary Navteq. 

Nokia has sites for research and development, manufacture and sales in many countries throughout the world. As of December 2008, Nokia had R&D presence in 16 countries and employed 39,350 people in research and development, representing approximately 31% of the group's total workforce.

The Nokia Research Center, founded in 1986, is Nokia's industrial research unit consisting of about 500 researchers, engineers and scientists. It has sites in seven countries: Finland, China, India, Kenya, Switzerland, the United Kingdom and the United States.

Besides its research centers, in 2001 Nokia founded (and owns) INdT – Nokia Institute of Technology, a R&D institute located in Brazil. Nokia operates a total of 15 manufacturing facilities located at Espoo, Oulu and Salo, Finland; Manaus, Brazil; Beijing, Dongguan and Suzhou, China; Farnborough, England; Komárom, Hungary; Chennai, India; Reynosa, Mexico; Jucu, Romania and Masan, South Korea.

Nokia's Design Department remains in Salo, Finland.

Company's site: http://www.nokia.com/