• Sector: Technology
• Headquarters: Beijing

Baidu is often referred to as China's Google, but that may be an understatement.

Baidu boasts a whopping 79% share of the search-engine market in China, far more than Google's share in the United States.

Named the third fastest-growing company in the world by Fortune, Baidu's search engine was recently added as an option on iPhones and iPads in China, which should further boost its market share.

NEXT: Tencent