Isuzu Motors Ltd. 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.
The company was founded in 1916 by the Japanese oil and gasoline manufacturer Tokyo Gas Company and was renamed Isuzu in 1934 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.