Isuzu Motors (Thailand) was established in 1966 when it established a manufacturing factory for pick-up trucks in the Samut Prakan Province with a capacity of 155,000 units per year.

[1] Isuzu would quickly become a market leader and by 2002, the company transferred its original production base from Fujisawa, Kanagawa, Japan to its Thai subsidiary.

Isuzu claimed the largest share of the Thai commercial vehicle market, having outperformed its competitors since 1988.

[1] By 2006, the company transferred to an industrial zone in Chachoengsao Province so they can support further production expansion.

[2] Also in the same year, they announced that their profit had jumped by 7 percent and has doubled its annual truck production in order to meet overseas demands.