Shinnihon Corporation operates as a construction company in Japan. The company engages in contract construction, planning, design, management, and construction of civil engineering and construction projects; planning, design, and consulting services related to regional development, urban development, and environmental improvement; buying, selling, leasing, and brokerage of real estate properties; and financial instruments business, as well as provision of investment advisory and agency services. It also manages land, buildings, and structures; sells and rents machinery, equipment, and materials for construction work; owns, rents, and manages lodging facilities, sports facilities, medical facilities, and restaurants; and offers landscaping civil engineering and land reclamation services. The company was founded in 1923 and is based in Chiba, Japan.