OpenDoor Inc. provides travel-related web services in Japan. The company operates TRAVELKO, a multi-language travel comparison site which allows customers to search travel products, hotel accommodations, and flights; and GALLERY JAPAN, a Japanese traditional art crafts site which gives access to view collection of art works and artist information. It is also involved in the development and provision of online systems for the internet and mobile phones; planning and operation of software development and content delivery; and hotel and airline ticket reservations and arrangements. The company was incorporated in 1997 and is headquartered in Minato, Japan. Address: Akasaka Tameike Tower, Minato, Japan, 107-0052