Environmental geological surveys (of groundwater/soil contamination) and remedial work, groundwater/hot spring development, civil engineering geological surveys, geophysical surveys, rock and magnetic analyses, well drilling, and water/gas piping work
Development, manufacture, and sales of various chemicals, including sterilizers, anti-mold agents, industrial catalysts, pharmaceuticals, stabilizers, photographic chemicals, pigments, and electronic materials
Construction consulting (sewerage systems, roads, urban planning, bridges, river and coastal erosion control, ports and harbors, agricultural civil engineering, soil and foundations, geology, etc.), surveying, and soil contamination analysis
