From a fragment of an insulator to AI chips: a century of NGK ceramics.
¥670.1bnFY2025 net sales
¥95.0bnFY2025 operating income
30.7%Digital Society revenue share
What emerges
See the company through the numbers →NGK generated ¥670.1bn of net sales and ¥95.0bn of operating income in FY2025. The company-disclosed business mix is 59.6% Environment, 30.7% Digital Society and 9.7% Energy & Industry. NGK was established in 1919 around power insulators, began producing HONEYCERAM automotive catalyst substrates in 1976, and began mass production of ceramics for semiconductor manufacturing equipment in 1996. The company did not abandon one identity and become another. It repeatedly moved ceramic material and manufacturing capabilities into new applications requiring heat resistance, insulation, durability and precise control.