ABOUT US Wisma is an ISO 9001 qualified international sea and air freight transports company, having commenced operations in 1984 in Bangkok in the form of a joint venture with a.hartrodt GmbH’&Co. We now have two offices in Thailand, the head office is located in the heart of Bangkok city’s commercial district with a branch office at the Suvarnabhumi International Airport, on the outskirts of Bangkok. This dual location enables us to co-ordinate and control all shipments nationwide.