About NGK

Corporate Outline

Active in the spheres of mobility, energy, IoT, and industry, NGK INSULATORS, LTD. (NGK) draws on proprietary ceramic technologies to move the world closer to carbon neutrality and to advance the digital society. Committed to providing products and services that draw on these unique ceramic technologies, NGK will take on the challenge of creating new value for the development of a more comfortable society through actions such as reducing the strain on our global environment, contributing to a smart society, and ensuring power supply stability.

Head Office
Head Office
Corporate Outline
Establishment May 5, 1919
Paid-In Capital 70 billion yen (As of March 31, 2023)
Net Sales 559.2 billion yen (Consolidated, for the year ended March 31, 2023)
Top Management Chairman Taku Oshima
President Shigeru Kobayashi
Executive Vice President Chiaki Niwa
Executive Vice President Ryohei Iwasaki
Employees NGK
Full-time: 4,547 (As of March 31, 2023) Contract & Temporary: 750 (Avg. in FY2022)
Full-time: 20,077 (As of March 31, 2023) Contract & Temporary: 2,637 (Avg. in FY2022)
Business Manufacture and sale of various industrial ceramic products including ceramic catalyst carriers for emission control, ceramic products for electronic components and devices, special metal products, energy storage systems, insulators, and electric power related equipment.
Offices Headquarters Nagoya
Main Office Tokyo
Branch Osaka
Sales Offices Sapporo, Sendai, Toyama, Hiroshima, Takamatsu and Fukuoka
Plants & Laboratories Nagoya, Chita, Komaki and Ishikawa
Overseas Branches U.S.A., Mexico, France, Belgium, Poland, Thailand, Australia, Indonesia, China, etc.
Group Companies 47 consolidated subsidiaries
2 equity-method affiliates

NGK Corporate Profile is also available in PDF format.