Overview
Company Name Niterra Co., Ltd.
Establishment October 26, 1936
*Anniversary of foundation : November 11.
Capital 47,869 million yen
Representative Keiji Suzuki
Representative Director, President
Headquarters
URBANNET NAGOYA NEXTA Bldg.
1-1-1 Higashisakura, Higashi-ku, Nagoya 461-0005
Employees Non-Consolidated: 3,208 (as of March 2026)
Consolidated: 15,698 (as of March 2026)
Business (1) Manufacturing and selling spark plugs and related products
for internal-combustion engines.
(2) Manufacturing and selling technical ceramics and applicable
products.
Group Companies 59 companies (Consolidated subsidiaries), 10 companies (Equity method affiliated companies)
Factories
Komaki Plant・Satsuma Plant・Ise Plant(as of March 2026)
Domestic Branch Office
Domestic Branch Office:Tokyo, Osaka, Nagoya, Hiroshima, Fukuoka, Sendai,
Sapporo, Utsunomiya
Overseas Branch Office:Asia / Oceania, North America, Central and South America,
Europe, Middle East / Africa
Corporate Brochure

Current at March 31, 2025