Following World War II, Thailand experienced an economic transformation period in which a variety of potential investment projects were mulled over. On September 4, 1952, with a newly constructed 4-storey head office opposite the National Stadium in Pathumwan, Dr. Thaworn Phornprapha - a young visionary - founded Siam Motors Co., Ltd. for the purpose of trading new and used vehicles and shortly ater became the first overseas distributor of Nissan vehicles. A decade later, Siam Motors & Nissan Co., Ltd., the first Japanese automobile assemble plant in Thailand, was established in Sukhumvit Soi 67, employing 120 staff and an initial production capacity of four cars per day.

The company subsequently diversified its business interests and relocated to a new production base, Siam Motor Industrial Centre. This vast, modern estate is located on Bangna-Trad Road, Km.21, covering more than 800-rai and packed with some of today's most modern and advanced manufacturing technolog. Siam Automobile Industries Co., Ltd. was established to commence the pilot production of Nissan pick-up trucks in Thailand. The company was later renamed Nissan Motor (Thailand) Co., Ltd. and current production capacity is 370,000 units per year.

Apart from its core automotive manufacturing and distributing business, Siam Motors Group, has also diversified its business interests into other manufacturing industries and trading business, including Komatsu heavy equipment, Hitachi elevator, Daikin air-conditioner, Yamaha musical and audio products, GS batteries, auto parts, etc.

These brand name products are more or less connected to people's daily lives in one way or another and are well recognized for their high quality and reliability globally.

Dr.Thaworn's example of honestly and perserverance, combined with a visionary and pioneering spirit has brought success and prosperity to the company. Siam Motors Groups, under his guiding light, is a growing presence in the country, fully capable of expanding and diversifying to a large number of subsidiary companies.

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