三国屋建設 Company Profile

A group of maritime craftsmen fulfilling a responsible mission.

Our company specializes in salvage, marine civil engineering, surveying, and special construction. We have offices in various locations in the Kanto and Tohoku regions, and with over 100 company-owned vessels and more than 30 in-house divers, we aim for all employees to become "craftsmen of water" based on our mobility and technical skills. As a company that "creates the sea" in every corner of the nation, and as a strong disaster prevention company that "protects the sea" during unforeseen disasters, we strive to contribute to the community and society as a whole.