Samsung Electronics is a South Korean multinational electronics corporation headquartered in the Yeongtong District of Suwon. It is the pinnacle of the Samsung chaebol, accounting for 70% of the group's revenue in 2012. Samsung is a major manufacturer of electronic components such as lithium-ion batteries, semiconductors (Exynos, etc.), image sensors, camera modules and displays for clients such as Apple, Sony, HTC and Nokia.