NGK Corporation
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 The headquarters in Nagoya | |
Native name | NGK株式会社 |
|---|---|
Romanized name | NGK kabushiki gaisha |
| Formerly | NGK Insrators, Ltd. (1919-2026) |
| Type | Public KK |
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| Industry | Glass and Ceramics |
| Predecessor | Spun-off from Nippon Toki (now Noritake) |
| Founded | May 5, 1919 |
| Headquarters | , Japan |
| Key people | Shun Matsushita, President and CEO Masaharu Shibata, Chairman |
| Products | Insulator (electrical) Sodium-sulfur batteries (grid energy storage) |
| Revenue |  ¥119,976 million (2010) |
| ¥16,551 million (2010) | |
| ¥10,983 million (2010) | |
| Total assets | ¥313,591 million (2010) |
Number of employees | 3,272 |
| Parent | Morimura Group |
| Website | www |
NGK Corporation (NGK株式会社) is a Japanese ceramics company. It primarily produces insulators but also produces other products, especially ceramic products. NGK is headquartered in Tokyo (Marunouchi Bldg. 25F, 2-4-1, Marunouchi, Chiyoda-ku, Tokyo 100–6325) and is listed on the Nikkei 225, which is an index of the Tokyo Stock Exchange. It is also listed in the Osaka Securities Exchange, the Nagoya Stock Exchange, and the Sapporo Securities Exchange all under listing code 5333. NGK stands for Nippon (Japan) Gaishi (insulator) Kaisha (company). The company was established as a spin-off of the insulator manufacturing division of Nippon Toki (now Noritake) and was known as NGK Insulators, Ltd. (日本碍子株式会社, Nihon gaishi kabushikigaisha) from its founding in 1919 until 2026.