NGK 

NGK Corporation, together with its subsidiaries, manufactures and sells electric power related equipment in Japan, rest of Asia, North America, Europe, and internationally. It operates through three segments: Environment Business, Digital Society Business, and Energy & Industry Business. The company offers suspension, long rod, station post, hollow, pin post, and RTV silicone rubber insulators; hardware for insulator and assemblies; bushing; energy plant equipment; special metals and mold products, such as beryllium copper, copper-nickel-tin, beryllium, and mold products. It also provides ceramic heaters, electrostatic chucks, and components; C1 Home-Use water purifier; HONEYCERAM, a ceramic structure that carries a catalyst that neutralizes the harmful substances found in vehicle exhaust; Diesel Particulate Filters which eliminate particulate in the exhaust gas emitted from diesel automobiles; and Nox sensors for engine exhaust gas. In addition, the company offers wafer, piezoceramic actuators, translucent alumina ceramics, zirconia, Micro-Lens for UV-LED, HTCC, AMB substrate for power modules, and general pressed products, as well as EnerCera, a Li-ion rechargeable battery; industrial heating, kiln furniture and refractories, ceramic membranes and separators, glass-lining products, high-temperature dust collector, ceramic and vacuum pump, gas analyzer, and organic compound crystal search services. Its products are used for mobility, electronics, social infrastructure, environment, industrial equipment, medical and healthcare, daily living, aircraft, ship, and space-related applications. NGK Corporation was formerly known as NGK Insulators, Ltd. and changed its name to NGK Corporation in April 2026. The company was incorporated in 1919 and is headquartered in Nagoya, Japan.