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Penta-Ocean Construction

Diving / subsea contractor · Japan

Japan Diving / subsea contractor

In brief

Penta-Ocean Construction — Marine and dredging contractor, port works and foundations for offshore wind.

Diving / subsea contractor. We have not been able to confirm that it runs saturation of its own — many companies work surface/air or subcontract it.

Contact details

PhoneNot available

EmailContact form only on their site

Contact personNot available

Official websitewww.penta-ocean.co.jp ↗

Contact pagepenta-ocean-inquiry.spiral-site.com/inquiry/form ↗

LinkedInNot available

Public data from the company’s own website, verified on 6 August 2026. Where it says “contact form only”, the company publishes no general email address — use its contact page or LinkedIn.

Visit Penta-Ocean Construction ↗