It is a manufacturer of automotive, motorcycle, electrical appliance, and agricultural machinery.

Thai Summit Group has manufacturing facilities in Laem Chabang, Nakhon Nayok, Rayong, and Samut Prakan and overseas manufacturing facilities in Malaysia, Indonesia, Vietnam, China, India, Japan, and the US.

A majority of shares are held by Somporn Juangroongruangkit, President and CEO, widowed wife of the founder.

Comparable Japanese firms average 10–11 million baht in revenue per year per worker.

The corporate plan aims to raise productivity to 5 million baht per worker by 2021.