利根エンジニア Company Profile

We support various infrastructures such as railways, roads, and water supply and drainage from underground.

TONE Engineering Co., Ltd. is a company that originated from TONE Boring Co., Ltd., which specializes in the manufacturing and sales of boring machines, and has inherited its construction division. Utilizing the technology and resources cultivated through years of research, development, and construction, we are widely engaged in excavation work such as urban civil engineering and drilling projects. Furthermore, to showcase the excavation technology and abundant know-how we have accumulated, we contribute to global infrastructure development, including groundwater development projects, as a part of ODA (Official Development Assistance) provided by governments of developed countries to developing countries.