.“Creative company” for land and sea
As a leading contractor in coastal and waterfront area, we seek to create attractive environment and pursue customer satisfaction and social contribution as an engineering-oriented company.

“Committed company” guaranteeing solid quality
We build trustful relationship with our customers and society through providing high quality workmanship and safe products backed by solid technologies.

“Future-oriented company” creating rich environment for future generations
We establish quality and nurture rich environment throughout the course of our corporate activities and pass on our dreams, hopes and possibilities to the next generations.Attractive reward packagePenta-Ocean Construction Co., Ltd. is the Japan’s leading marine contractor, having an extensive track record and knowledge in marine civil engineering works in the maritime areas surrounding Japan. Penta-Ocean’s business has expanded from its core business of marine civil engineering works to civil infrastructure and building construction works, with 124 years of experience in Japan.