Sumitomo Chemical Co., Ltd. is a Japan-based global chemical manufacturer within the Sumitomo Group. Founded in 1913, the company develops and produces a broad range of materials and chemicals, spanning basic and specialty products. Its portfolio covers petrochemicals and plastics, energy and functional materials, IT-related materials, and health and crop sciences, serving industries such as packaging, automotive, electronics, and agriculture.
Key product families include olefins and polyolefins (such as polyethylene and polypropylene), performance polymers and resins, semiconductor and display materials, and crop protection products and biorationals. Sumitomo Chemical operates manufacturing, sales, and R&D sites across Asia, the Middle East, Europe, and the Americas. Its collaborations include joint ventures such as Rabigh Refining and Petrochemical Company in Saudi Arabia. The company also pursues initiatives in resource efficiency and lower-emission technologies, including efforts around recycling and more sustainable feedstocks.