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About Us

Siam Trans International was incorporated in Bangkok, Thailand, in 1986 to operate an On-board Courier Service providing custom clearance, retail courier and express delivery service for major logistics companies such as DHL, FEDEX, TNT, UPS, etc. Over the past 30 years, Siam Trans has closely been collaborating in numerous projects with both local and international corporations such as Jupiter Group, Japan Airlines, Thai Airways, Thailand post, Bridges Worldwide group, choice logistics, etc.

In 2004, Siam Trans was the pioneer and co-founder of Thai Express Courier Association (TEXCA). Ms. Darranee Wattanavekin, president of STI, was elected to be the first Chairman of TEXCA for 8 years.


Since then, Siam Trans has continuously expanded, and several new companies have been established within the same holding such as Dash Trans International, Thai Courier Terminal, Pro del Express etc.

Siam Trans offices and service counters are at:

  • Head office at Kiatnakin Building, Charoen Krung

  • Bangna-Trad Km.16.5

  • TG free-zone express warehouse, Suvarnabhumi Airport

  • BC building, Suvarnabhumi Airport

  • Service Counter at Passenger Terminal, Suvarnabhumi Airport

  • 40 other offices and warehouses in the up-country area 


Our service counter at passenger terminal

Custom Building Clearance Service Office

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