OHBA CO., LTD. is a construction consulting company. The Research Measuring and Information segment involves in ground survey, global positioning system (GPS) deliberate survey, aerial photographic survey, sewage management system provision and disaster prevention simulation. The Environment segment involves in environment investigation and assessment, the provision of soil pollution solutions and water quality improvement solutions, as well as environment facility planning and landscape design. The Town Planning segment provides design and consulting services for cities, regions and disaster prevention plans. The Design segment is involved in the design of roads, structures and water and sewerage systems, as well as the combined designs. The Business Solution segment involves in the provision of consulting services, and the asset management of properties.