TANAKEN Inc.

TANAKEN Inc. is a Japanese company involved in planning construction and managing the demolition of building structures and related construction work. Its services include construction planning, outsourcing and equipment arrangement, construction management, safety management, cost management, fund management, and administrative and neighborhood correspondence. It also engages in demolition, soil and underground remediation, civil engineering, and recycling. Formerly known as Tanaken, it changed its name to TANAKEN Inc. in April 2025. Incorporated in 1982, it is headquartered in Tokyo and is a subsidiary of Three Hundred Holdings Co., Ltd.