Amkor Technology
 Amkor Technology Inc. is a semiconductor product packaging and test services provider. Its headquarters is in Chandler Arizona since 2005 when it was moved from West Chester Pennsylvania United States. The company was founded in 1969 and has 21600 employees worldwide (2009) and reported $2.8 billion in sales in 2011.With factories in China Japan Korea Malaysia Philippines and Taiwan Amkor is a leading player in the semiconductor industry.