Koken Boring Machine Co.,Ltd.

Koken Boring Machine Co.,Ltd. manufactures and sells drilling and grouting machines, and associated equipment in Japan and internationally. It offers rotary percussion drill, horizontal drilling machine, track-mounted water well rig, full automated cement mixing plant, grouting pump, grouting mixer, logging device/flow meter, raise boring rig, used machines, and drilling tool products. The company also offers in the hot spring development; groundwater utilization business environmental business; large-diameter rock drilling work; continuous impact dynamic penetration test; overseas business; and geothermal utilization system.In addition, it provides contracting services for drilling and grouting works; consulting services for civil engineering; and consulting and contracting for groundwater development. The company was incorporated in 1947 and is headquartered in Tokyo, Japan. As of July 29, 2025, Koken Boring Machine Co.,Ltd. operates as a subsidiary of Hulic Co., Ltd..