Employing our own technologies within civil engineering and building construction works embracing environmentally friendly construction practices, TOA Corporation has gained the reputation of being an integrated construction company through the following activities:

• ・Contracting, planning, designing, execution and supervision of civil engineering and architectural works; including consulting services
• ・Dredging, reclamation and land preparation
• ・Planning, designing, supervision and contract works for regional, urban and ocean development
• ・Surveying and geological investigation
• ・Planning, construction, equipment and property leasing, maintenance of roads, railroads, ports and harbors, airports, water works and sewer systems, government offices, waste disposal and treatment facilities, other public facilities, etc.
• ・Power generation business such as renewable energy and its management,operation, as well as the business which is related to supply and sales of energy such as electricity and heat,and consulting services related to these businesses