Otec Corp. engages in the manufacture and sale of pipe equipment and materials. It operates through the following segments: Pipe Equipment and Material Sales, Construction, and Environmental Equipment Sales. The Pipe Equipment and Material Sales segment deals with the sale of steel pipes, joints, valves, sanitary ware, and housing equipment. The Construction segment includes instrumentation works, electronic construction works, and maintenance works for both new and old buildings. The Environmental Equipment Sales segment handles sale of environmental equipment. The company was founded in May 1934 and is headquartered in Tokyo, Japan.