Taisei Corp is a Japan-based company principally engaged in the civil engineering business, the construction business and the development business, as well as other business further associated with each business. The Company operates in three business segments. Civil Engineering segment operates business related to the construction of civil engineering works. Construction segment operates business related to general construction of buildings. Development segment operates business related to real estate in general, including sale, leasing, management and placement of real estate. The Company also operates businesses related to the construction industry, such as contract research, technology provision, and environmental measurement, as well as logistics, leisure-related, and other service businesses.