, () trading as Isuzu (, ) is a Japanese commercial vehicles and diesel engine manufacturing company headquartered in Tokyo. Its principal activity is the production, marketing and sale of Isuzu commercial vehicles and diesel engines. It also has a number of subsidiaries, included Anadolu Isuzu (a Turkish joint venture with Anadolu Group), Sollers-Isuzu (a Russian joint venture with Sollers JSC), SML Isuzu (formerly Swaraj Mazda), Isuzu Astra Motor Indonesia, Isuzu Malaysia (Isuzu HICOM), Isuzu UK, Isuzu South Africa, Isuzu Philippines, Taiwan Isuzu Motors, Isuzu Vietnam and Isuzu India. The company was founded in 1916 by the Japanese oil and gasoline manufacturer Tokyo Gas Company, which in 1934 fused with the carmaker and was renamed Isuzu, after the Isuzu River. Isuzu has assembly and manufacturing plants in Fujisawa, as well as in the Tochigi and Hokkaidō prefectures. Isuzu-branded vehicles are sold in most commercial markets worldwide. By 2009, Isuzu had produced over 21 million diesel engines, which can be found in vehicles all over the world. Isuzu diesel engines are used by General Motors and Renault–Nissan Alliance.
