Hyundai Oilbank is S-OIL's top competitor. Hyundai Oilbank is headquartered in Jung-gu, Seoul Teugbyeolsi, and was founded in 1964. Like S-OIL, Hyundai Oilbank also operates in the Oil & Gas Exploration, Production, Sales field. Hyundai Oilbank generates 0.13% the revenue of S-OIL.