Kunihiko Tanaka

Part of JAPAN FOUNDATION ENGINEERING CO., LTD., JAFEC USA, Inc. is a geotechnical construction services company based in San Jose, CA. The company specializes in ground improvement, excavation support, marine construction, and liquefaction mitigation. JAFEC USA uses various technical methods such as deep soil mixing, vibro-stone columns, injection grouting, and direct power compaction to deliver effective and economical services. With over 50 years of experience, the company has completed several projects, including dam seismic remediation, hurricane protection, and residential community projects.

Part of JAPAN FOUNDATION ENGINEERING CO., LTD., OK Soil Co. Ltd. is a soil engineering company based in Tokyo, Japan. OK Soil Co. provides soil investigation, construction management, and surveying services. The Japanese company was acquired by JAPAN FOUNDATION ENGINEERING CO., LTD. on April 01, 2010.