SML ISUZU LIMITED was incorporated as Swaraj Vehicles Ltd in 1983 and was promoted by Punjab Tractors Ltd with technical collaboration Mazda Motor Corporation, Japan, and Sumitomo Corporation, Japan. In 2004, the technical collaboration agreement with Mazda expired 2004 and sold its entire stake to Sumitomo Corporation and in the same time, it signed a technical assistance agreement with Isuzu Motors.In 2011, it was renamed as SML ISUZU and Sumitomo Corporation(Japan) and Isuzu Motors(Japan) own 44% and 15% stake, respectively[1]