TOBISHIMA HOLDINGS Inc. engages in the construction business in Japan and internationally. The company is involved in the research, survey, planning, drafting, designing, supervision, and operation of civil engineering, construction work and contracting, as well as regional development, urban and marine development, and environmental improvement; mediation of corporate acquisitions, mergers, company splits, share exchanges and transfers, business transfers, capital alliances, and business alliances; computer-based information processing and hardware and software development; and mediation related to corporate management strategies, organizational and business restructuring, and corporate revitalization, as well as non-life insurance agency, insurance agency, and life insurance solicitation businesses. It also engages in housing, real estate transaction, and real estate leasing businesses; planning, drafting, designing, holding, maintenance, management, operation, and management of public facilities; supply of energy, such as electricity and heat; contract maintenance and management of buildings and facilities incidental to buildings; entrustment of security and security; acquisition, licensing, and sale of industrial property rights, copyrights, and know-how; planning, design, manufacture, and sale of plant factories; and research and development related to the production of agricultural, forestry, and fishery products. In addition, the company manufactures, procures, sells, and leases construction machinery and equipment, civil engineering, and construction-related materials; produces, processes, and sells agricultural, forestry, and fishery products; provides temporary staffing and paid employment placement; and engages in projects related to the remediation of environmental pollution. TOBISHIMA HOLDINGS Inc. was incorporated in 2024 and is based in Tokyo, Japan.