KOKEN BORING MACHINE CO., LTD. is a company mainly engaged in the manufacture and sale of boring machinery and related machinery. The Company operates in two business segments. The Boring Machinery-related segment is engaged in the manufacture and sale of boring machinery, pumps, and other types of machinery and components, the manufacture and sale of well-related equipment, as well as the rental of boring machinery. The Construction-related segment is engaged in the construction works for geologic surveying, civil engineering, grouting, foundation building, well-digging, hot springs, soil contamination research and modification, and anchors, among others, as well as the provision of construction consulting services. As of March 31, 2014, the Company had one consolidated subsidiary.