Tobishima Holdings Inc. engages in the construction business in Japan and internationally. The company is involved in the research, survey, planning, designing, supervision, and management of civil engineering and building construction works, as well as regional and urban developments, ocean developments and environmental considerations, etc.; and planning, designing, development, possession, maintenance, operation, and management of various public facilities and infrastructure, including roads, ports, water supply and sewage works, government office buildings, educational and cultural facilities, solid waste disposal facilities, medical and sports facilities, hotels, and restaurants. It also engages in the environmental enhancement business, such as soil enhancement, river and lake bottom sediment purification, and lake and seawater improvement; collection, transportation, treatment, and recycling of general and industrial waste; thermal and other electricity and energies supply; and fabrication, procurement, sale, and lease of construction machinery, equipment, materials, and other manufactured items. In addition, the company is involved in the real estate dealing and leasing, and housing businesses; maintenance and security services works for buildings and incidental facilities; and life insurance business. Further, it acquires, licenses, and sells industrial property rights, copyrights, and other intellectual proprietary rights; offers information processing services; develops computer software and hardware; produces, processes, and sells agricultural, forestry, and fishery products; researches, studies, and develops production related agricultural, forestry, and fishery products; offers consulting services; and operates as a non-life and car insurance agent. TOBISHIMA HOLDINGS Inc. was founded in 1883 and is headquartered in Tokyo, Japan.