Resin Processing

• Shin-Etsu Polymer Co., Ltd. Manufacture and sales & marketing of synthetic resin products such as silicone rubber, PVC resin
• Shin-Etsu Shinkoh Mold Co., Ltd. Manufacture and sales & marketing of silicones and various resin products
• Shin-Etsu Shinkoh Mold Saitama Co., Ltd. Manufacture and sales & marketing of silicones and various resin products

Electronics Materials

• Shin-Etsu Handotai Co., Ltd. Manufacture and sales & marketing of semiconductor silicon wafers, GaP wafers
• Naoetsu Electronics Co., Ltd. Precision processing of semiconductor silicon wafers, etc.
• Nagano Electronics Industrial Co., Ltd. Precision processing of semiconductor silicon wafers, etc.
• Mimasu Semiconductor Industry Co., Ltd. Processing of semiconductor silicon wafers, etc.
• Shin-Etsu Film Co., Ltd. Manufacture and sales & marketing of OPP film for condensers.
• Shin-Etsu Quartz Products Co., Ltd. Manufacture and sales & marketing of various quartz glass products for semiconductor industrial use, optical use, and optical communications use
• Naoetsu Precision Co., Ltd. Processing of glass for photomask, etc.
• Shin-Etsu Magnet Co., Ltd. Manufacture and processing of electronics materials such as magnets
• Iwaki Semiconductor Co., Ltd. Manufacture of compound semiconductors.

Chemicals

• Kashima Vinyl Chloride Monomer Co., Ltd. Manufacture and sales & marketing of vinyl chloride monomer
• JAPAN VAM&POVAL CO., LTD. Manufacturing and sales of vinyl esters of carboxylic acids, such as vinyl acetate monomer and polyvinyl alcohol
• Nissin Chemical Industry Co., Ltd. Manufacture and sales & marketing of various emulsions
• Kashima Chlorine & Alkali Co., Ltd. Manufacture and sales & marketing of chlorine, caustic soda

Inorganic chemicals

• Shinano Electric Refining Co., Ltd. Manufacture and sales & marketing of silicon carbide and related ceramics products
• Adomatechs Co., Ltd. Manufacture and sales & marketing of “Adomafine,” synthetic oxidized fine particles

Construction/Trade/Service Group companies

• Shin-Etsu Astech Co., Ltd. Construction, trading, and real estate
• Shin-Etsu Engineering Co., Ltd. Plant machinery, pollution prevention facilities engineering and robotics systems Manufacture and marketing
• Naoetsu Sangyo Co., Ltd Packaging, containerization, warehousing and transporting
• Shin-Etsu Skyward Systems Co., Ltd. Information processing, value-added communications business