Tanaken is a Japanese firm primarily engaged in the execution and management of... Tanaken is a Japanese firm primarily engaged in the execution and management of building demolition projects, as well as related construction activities across the country. Its service portfolio further includes general demolition operations, environmental remediation for soil and underground contamination, various civil engineering undertakings, and a recycling division. The company was founded in 1982 and maintains its headquarters in Tokyo, Japan, operating as a subsidiary of Three Hundred Holdings Co., Ltd.
