SK Hynix Inc. is a South Korean memory semiconductor supplier of dynamic random-access memory chips and flash memory chips. Hynix is the world's second-largest memory chipmaker and the world's fifth-largest semiconductor company. Wikipedia CEO: Seong Wuk Park (Feb 2013–) Headquarters: Icheon, South Korea Revenue: 15.98 billion USD (2015) Net income: 3.67 billion USD (2015)