Petrochemicals
Olefins Division
Organic Chemicals Division

Chemicals
Functional Polymers Division
Chemicals Division

Inorganic
Fine Carbon Department
Ceramics Division
Carbons Division

Aluminum
Rolled Products Division
Extrusions/Specialty Products Division
Shotic Division
Heat Exchanger Division
Aluminum Can Division
Showa Denko Packaging Co.,Ltd.

HD
Marketing Department

Electronics
Planning Office
Electronics Materials Division
Rare Earth Division

Advanced Battery Materials Department

Engineering Center

Shoko Co., Ltd.
Plastics Department
Light Metals Department
Analytical Instrument Department
Chemicals Department
Construction Materials Department
SHOKO Agri Co., Ltd.

Fuyo Perlite K.K.
Sales Department

Union Showa K.K.
Sales Department