More than 70 years as a boring specialist

KOKEN BORING MACHINE CO.,  LTD. was founded in 1946 , when the entire country was in the unstable social period right after the Second World War. Our products/services have taken the leading positions for the country's civil engineering areas: grouting, probing work for tunnel investigation, anchoring, water well construction, hot spring construction, geologic drilling, piling, raise boring and lots of others.

• Company Name: KOKEN BORING MACHINE CO.,LTD.
• Market code in JASDAQ (Ticker): 6297
• Founded: October 16 , 1947
• Capital: JPY 1,165,415,503
• Nature of Budiness: Manufacturing and Sales of Drilling and Grouting Machines and their Associated Equipment; Contracting for All Types of Drilling and Grouting Works; Consulting for Civil Engineering; Consulting and Contracting for Groundwater Development
• President CEO: Sachihiro Suenaga
• Number of employees: about 230
• Head quarters

Address 1st Floor, Mejiro Nakano Bldg., No. 17-22, Takada 2-chome,Toshima-ku,Tokyo 171-8572,Japan
Telephone 81-3-6907-7515(International Division)
Facsimile 81-3-6907-7525(International Division)
E-mail id-eigyo@koken-boring.co.jp

• URL: www.koken-boring.co.jp
• Branches in Japan: Sapporo, Sendai, Niigata, Kanazawa, Tokyo, Nagano, Osaka, Takamatsu, Yamaguchi, Fukuoka, Kumamoto
• Factories

Atsugi: 3012-2 Uenohara Kamiichi Atsugi-city Kanagawa-pref. 243-0801 Japan
Telephone:81-462-85-1331
Suwa: 1081-3:Simoharayama Hara-mura Suwa-gun Nagano-pref, 391-0100,Japan
Telephone:81-266-79-6011

• Subsidiaries: KOZO CONSTRUCTION CO.,LTD.
• Other Facilities: KOKEN Earth Science Museum; KOKEN Lodge Highland
• Banks: Mizuho Bank, Ltd. The Bank of Tokyo-MitsubishiUFJ, Ltd, Mizuho Trust & Banking Co., Ltd. Sumitomo Mitsui Banking Co. The Hachijuni Bank, Ltd. Development Bank of Japan