About Raito Inc:

Raito Inc is a subsidairy of Raito Kogyo Co, Ltd (ライト工業), which is one of Japan's premier specialized construction companies.  Founded over 50 years ago, Raito Kogyo has earned an outstanding reputation for it's highly advanced civil engineering technologies. Although Raito Kogyo operates in a wide range of civil engineering fields from infrastructure to subsurface construction, Ratio Inc. is concentrated in the geosystems technologies such as RDM (Raito Deep Mixing), RSW (Raito Soil-Cement Wall method), jet grouting and other soil improvment technologies.  The applications of these technologies include seepage control, excavation support, foundation stabilization, slope stabilization, liquefaction prevention, pollution containtment and soil fixation.  Raito is continually working to develop and acquire the most advanced construction technologies though its network of 50 offices in Japan and technical cooperation with overseas companies.