Nittoc Construction Co., Ltd. engages in specialized construction works in Japan. The company undertakes disaster prevention and environmental conservation works, such as re-vegetation, temporary anchor, river and shore embankment protection, slope protection, landslide protection, rock slope failure prevention, anchoring, retaining wall, and structure diagnosis works. It also provides urban regeneration services, including ground improvement, piling, reinforcement and foundation, industrial waste recycling, liquification prevention measuring, and anchoring services, as well as foundation treatment of waste disposal site; and maintenance and renovation services comprising slope reinforcement, concrete structures diagnosis and investigation, concrete structure upgradation, rock slope diagnosis, existing structures reinforcement, and repairing and structural improvement services. In addition, the company offers civil engineering, construction consultancy, grouting, applied engineering, and shield and pipe jacking services, as well as survey, geological survey, and design services. Nittoc Construction Co., Ltd. was incorporated in 1947 and is headquartered in Tokyo, Japan. Nittoc Construction Co., Ltd. is a subsidiary of AN Holdings Corp.