Wikipedia
VanceInfo
VanceInfo (officially VanceInfo Technologies Inc.) is an IT outsourcing company headquartered in Beijing, China. It ranks first among Chinese offshore software development service providers for the North American and European markets as measured by 2010 revenues. The service areas of the company are in tech, telecom, finance, travel, manufacturing, retail and logistics.
In November 2012, the company merged with China-based IT outsourcing industry peer HiSoft to form Pactera.