Nittoc Construction Co., Ltd. engages in construction and civil engineering business. It offers services in disaster prevention and environmental conservation such as greening works, river and shore embankment protection, rock slope failure prevention, temporary anchor works, and structure diagnosis; urban regeneration such as ground improvement, reinforcement works and foundation method, liquification prevention measures, piling, and anchoring; maintenance and renovation such as slope reinforcement, concrete structure upgrade, rock slope diagnosis, diagnosis and investigation for concrete structure, and reinforcement of existing structure; and others such as civil engineering, grouting, geological survey and design, and shield consultants. The company was founded on December 17, 1947 and is headquartered in Tokyo, Japan.