(), based in Tokyo, Japan, manufactures a variety of machinery, components and engines.
It was founded in 1926 as in Matsuyama, Ehime, Japan. It was incorporated in 1936 as Iseki & Co.
They began building tractors in 1961. It's tractors have been sold worldwide under various brands: AGCO, Bolens, Challenger, Massey Ferguson and White. Early |Tong Yang or TYM tractors were based on Iseki's designs. Some models sold in Japan have been built by Landini of Italy and by Massey Ferguson in France.