What are the top 5 largest companies in Japan?

Written by Editorial Team | Last Updated: August 2026

Japan's corporate sector features massive multinational industrial conglomerates, technology innovators, and automotive giants that command significant global market capitalization. The first major enterprise is Toyota Motor Corporation, the world's largest automotive manufacturer by vehicle sales volume, renowned for hybrid powertrain leadership and efficient manufacturing systems. The second is Sony Group Corporation, a global entertainment and technology titan leading in consumer electronics, image sensors, video gaming, and cinematic production. The third is Keyence Corporation, a highly profitable factory automation enterprise specializing in machine vision sensors and electronic measuring instruments. The fourth is Mitsubishi UFJ Financial Group (MUFG), the nation's largest banking holding corporation with an extensive global financial network. The fifth is Tokyo Electron, a premier semiconductor production equipment manufacturer essential for global microchip fabrication.

Related FAQs

Tokyo Electron Limited trades on the Tokyo Stock Exchange under the primary stock code 8035.

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Tokyo Electric Power Company Holdings, commonly known as TEPCO, is a major Japanese electric utility company headquartered in Tokyo, serving the Kantō region including Tokyo and surrounding prefectures.

Erste Group serves approximately 23 million clients across its core markets in Central and Eastern Europe, including Austria, the Czech Republic, Slovakia, Romania, Hungary, Croatia, and Serbia.

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The Tokyo Electric Power Company (TEPCO) is the largest electric utility in Japan and ranks as one of the largest electric utility companies in the entire world.

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The Tokyo stock market is officially designated as the Tokyo Stock Exchange, and it is commonly referred to locally and internationally by its abbreviation TSE or TYO.

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Tokyo Electric Power Company Holdings, Inc. trades on the Tokyo Stock Exchange under the ticker symbol 9501 at approximately 503.80 Japanese Yen per share.

Tokyo's electrical power comes from a robust, interconnected regional network managed primarily by TEPCO, drawing electricity from power plants situated outside the immediate capital city boundaries.

Tokyo Electric Power Company (TEPCO) is a massive utility provider supplying electricity to millions of residential and industrial customers across Japan.