GS Yuasa International Ltd. Japan Takashi Abe (Representative Director, President and CEO) -In April 2004, Nippon Battery and Yuasa Corporation, both major battery manufacturers, merged and established GS Yuasa Corporation as a holding company. GS Yuasa Corporation's subsidiaries operate in four business segments: automotive batteries, industrial-battery power supplies, automotive lithium-ion batteries, and others. -The Company, a subsidiary of G...

Major Suppliers  Updated at: 2025/12/17

Pacific Industrial Co., Ltd. Japan Tetsushi Ogawa (President, CEO) -The Company is a leading manufacturer of tire valves and valve cores, with an approx. 100% share of the domestic market, and over a 50% share of the global market, according to the Company. -The Company is engaged in the following business segments: Stamped and Resin Products: Stamped products, resin products, press molds, resin molds Valves: tire valves, valve cores, valves, va...

Major Suppliers  Updated at: 2025/12/17

G-TEKT Corporation Japan Naohiro Takao (President, Chief Executive Officer) -A manufacturer of Honda Group, which produces automotive body stamped parts and thick precision stamped parts. It also produces and sells dies, jigs and tools. -In April 2011, Kikuchi Co., Ltd. merged with Takao Kinzoku Kogyo Co., Ltd. and established G-Tekt Corporation. -Listed on the Prime Market of the Tokyo Stock Exchange. (As of Mar. 31, 2025) Name Investme...

Major Suppliers  Updated at: 2025/12/17

Mikuni Corporation Japan Hisataka Ikuta (President) -The Company is engaged in the manufacturing and sales of fuel-injection devices, pumps and other automotive products. The Company’s main products are electronic control bodies, air-intake modules, variable valve timing systems, cooling water control valves, axle-pedal modules, and vacuum pumps. -The automotive-parts business accounted for 83% of companywide sales in the fiscal year that ended...

Major Suppliers  Updated at: 2025/12/17

TACHI-S Co., Ltd. Japan Yuichiro Yamamoto (Representative Director President) -A major, but still independent, automotive-seat manufacturer, designing, developing, manufacturing, and delivering automotive seats. -Has operations in 53 locations in 9 countries, such as in its main business divisions in Japan, China, North America, and Central and South America. -Listed on the Prime Market of the Tokyo Stock Exchange (As of Mar. 31, 2025) N...

Major Suppliers  Updated at: 2025/12/17

Aichi Steel Corporation Japan Naohide Goto (President) -Materials manufacturer under the Toyota Group. In addition to manufacturing stainless steel and specialty steel, the Company manufactures forged parts, as well as electromagnetic products such as magnetic sensors. -The Company operates in the following business segments: steel, stainless steel, forging, smart, and other. -The main products and services of each of the companies are listed bel...

Major Suppliers  Updated at: 2025/12/17

Topy Industries, Ltd. Japan Hiromi Ishii (President) -As comprehensive wheel manufacturer, we manufacture and sell steel and aluminum wheels for automobiles, wheels for mining machinery, and more. -The Company's business operations are comprised of the following four segments. Steel Segment Automotive & Industrial  Equipment Parts Segment Electric Power-Generation Segment (Withdrew from this business at the end of March 2024) Rental Segment Oth...

Major Suppliers  Updated at: 2025/12/16

Kasai Kogyo Co., Ltd. Japan Koji Furukawa (Representative Director, President) -A manufacturer producing a wide range of interior components for automobiles. Conducts planning, development, and production of door trims, roof trims, and other interior trim systems. -The Company sells mainly to the Honda and Nissan groups. In the fiscal year that ended in March 2025, these two Groups accounted for 71.7% of sales. -Listed on the Standard Market o...

Major Suppliers  Updated at: 2025/12/16

Bosch (Bosch Corporation) Japan Christian Mecker (President) -The Japanese corporate entity of Robert Bosch GmbH.  -The company offers comprehensive, mobility solutions that integrate automotive technology, cloud-based data services, and other various services. -Unlisted Company Shareholders Investment Ratio (%) Robert Bosch Internationale Beteiligungen AG. 100.0   Alfa Romeo Audi Bentley BMW Chrysler Citroen Dacia Daihatsu Daimler Dod...

Major Suppliers  Updated at: 2025/12/16

Riken Corporation Japan Yasunori Maekawa (President & COO) -A major supplier of piston rings in Japan. -Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. Featured report   2023 Business Overview of Japanese Suppliers  Featured report   RIKEN Corporation became a wholly...

Major Suppliers  Updated at: 2025/12/16

Nippon Piston Ring Co., Ltd. Japan Teruo Takahashi (President) -A manufacturer specializing in internal combustion parts, including piston rings, valve seats, and valve train parts. -Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. Featured report   2023 Business Overview of Japan...

Major Suppliers  Updated at: 2025/12/16

PT. Astra Otoparts Tbk Indonesia Gidion Hasan (President Commissioner) -As a subsidiary of the Indonesian conglomerate, Astra International, the Company is the largest automotive component manufacturing and trading company group in Indonesia. Its largest market segments are original equipment components for automotive OEMs and automotive replacement parts. It also produces components for motorcycles. The Company develops, manufactures, and sells ...

Major Suppliers  Updated at: 2025/12/15

PIOLAX, INC. Japan Satoshi Yamada (President) -A major manufacturer of precision automotive springs and industrial-use fasteners. Automotive products account for 95% of sales. (Fiscal year ending March 2025) -The Company signed a comprehensive commercial agreement with Saga Iron Works, a major manufacturer of automotive bolts, in order to create a cooperative, global partnership. -Has the world’s largest market share of air-dampers that smoothl...

Major Suppliers  Updated at: 2025/12/15

Motherson Yachiyo Automotive Systems Co., Ltd. (Formerly Yachiyo Industry Co., Ltd.) Japan Hiroyuki Kachi (President and Representative Director) -The Company develops and manufactures fuel tanks and sunroofs. Honda to sell its stake in Yachiyo Industry to Motherson Group- Honda announced on July 4th that it will sell its stake in its consolidated subsidiary Yachiyo Industry to the Motherson Group. Honda will first make Yachiyo Industry Kogyo a w...

Major Suppliers  Updated at: 2025/12/11

AAPICO Hitech Public Co., Ltd. Thailand Yeap Swee Chuan (President and CEO) -The Company is a leading automotive components supplier in Thailand that primarily focuses on the manufacturing of metal forming parts, plastic parts, casting parts, forging and machining parts, and tooling (Assembly jigs and stamping dies) for automotive OEMs. The Company also develops and provides digital maps for car navigation systems. -The Company is organized into ...

Major Suppliers  Updated at: 2025/12/11

Alps Alpine Co., Ltd. (Formerly Alpine Electronics, Inc.) Japan -The Company was originally engaged in developing, manufacturing, and selling automotive audio devices and information/communications devices and systems under the Alpine Group. In April 2020 its entire business operations were merged with Alps Electronics, and the consolidated company adopted the name Alps Alpine Co., Ltd. Name Investment Ratio (%) Alps Alpine Co., Ltd. 100.0 ...

Major Suppliers  Updated at: 2025/12/10

Faurecia Clarion Electronics Co., Ltd. Japan Katsuaki Ogiso (Representative Director & President) -A major car-audio and car-navigation systems manufacturer under the umbrella of FORVIA faurecia -Major business segments: Safety & Information Systems Cloud-Based Information Network Services for Vehicles Commercial Vehicle Drive Management Systems Car Navigation Systems, Car Audio -The company became a wholly owned subsidiary of Faurecia in March...

Major Suppliers  Updated at: 2025/12/10

Aichi Machine Industry Co., Ltd. Japan Tamiyo Wada (President) -A wholly owned subsidiary of Nissan. Main products include engines, manual transmissions, transmissions for EVs, etc. -Unlisted company (As of Mar. 31, 2025) Name or Company name Investment Ratio (%) Nissan 100.0 Engines-HR engine series HR12DE e-POWER engines HR14DD Series HR15DE engines HR16DE engines -QR engine series QR25DE engines -PR engine series PR25DD engi...

Major Suppliers  Updated at: 2025/12/08

Aisin Takaoka Co., Ltd. Japan Makoto Okuda (President) -A manufacturer that is part of the overall Aisin Group. It mainly is engaged in automotive parts, such as casting, machining, and plastic processing them. In addition, it manufactures and sells audio products. -The Company produces parts for automotive engines, drivetrains, braking systems, and auto bodies. -Unlisted Company (As of Mar. 31, 2025) Company Ratio of shareholding (%)  ...

Major Suppliers  Updated at: 2025/12/08

Hi-Lex ACT Corporation (Formerly Mitsui Kinzoku ACT Corporation) Japan Hiroshi Igata (President and Representative Director) -The Company develops, manufactures, and sells door locks and other functional parts for automobiles. -Unlisted Company (As of Mar. 31, 2025) Company name Investment ratio (%) Mitsui Mining & Smelting Co., Ltd. 100.0   Door Latche-Side door latches-Check links-Side door hinges-Back door latches Power Door S...

Major Suppliers  Updated at: 2025/12/08