Showa Shell Sekiyu is a Japanese oil company that specializes in the refining and distribution of petroleum products. Established in 1934, it has played a significant role in Japan's energy sector, providing fuels, lubricants, and other related products to meet the country's needs. In 2017, Showa Shell Sekiyu became a subsidiary of Royal Dutch Shell, a global energy company. This partnership has allowed it to enhance its operations and expand its market presence, contributing to advancements in energy efficiency and sustainability within the industry.