Showa Denko

Chemicals & Cosmetics

Formed in 1939 Showa Denko K.K. (SDK) manufactures chemical products and industrial materials. SDK’s products serve a wide array of fields ranging from heavy industry to the electronic and computer industries. The company is divided in five business sectors: petrochemicals, aluminum, electronics, chemicals, and inorganic materials. Showa Denko has more than 180 subsidiaries and affiliates around the world.

Country/Region Japan

Number of prizes 3

Year 2017, 2016, 2015