Samsung is a South Korean multinational conglomerate company headquartered in Seoul. It comprises numerous subsidiaries across various industries including electronics, engineering, shipbuilding, and construction. Notable subsidiaries include Samsung Electronics, Samsung Heavy Industries, and Samsung Life Insurance. Samsung was founded in 1938 as a trading company and has since diversified and globalized, with mobile phones and semiconductors now being its most important sources of income. The company emphasizes total quality management through techniques like Six Sigma and customer satisfaction surveys to ensure high product quality.