Construction, Maintenance & Consulting for Communication Cables.

Submarine cable services have been our core business ever since our establishment.

Construction, Consulting & Marine Surveys other than Submarine Cables

We provide various services for various projects using the experience and technology that we have gained from our long history in submarine communications cable services.

Power Plant & Marine BB Services

The IP & Power Supply Department is engaged in the oceanic broadband business as well as various land-based engineering businesses.


2016.11.16The launching ceremony of the new cable ship 'KIZUNA'.
2010.04.13NTT-WEM will attend SubOptic2010
2009.11.11Sales commenced for the flat-rate mobile data telecommunication services for ships
2009.08.22New SMD Plough system mobilised onto the cable ship Subaru
2009.05.11Participated in Japanese gBARI-SHIPhmarine exhibition in Imabari, Japan
Facilities Owned

Cable-Laying Vessels

Take a tour inside the Cable-Laying Vessels, SUBARU and VEGA!


SUBARU is a large cable-laying vessel based at the port of Nagasaki. It is widely used in marine surveys, cable-laying operations, cable burying and repair works.


VEGA is a small cable-laying vessel based at the port of Batangas in the Philippines. It is mainly active in the burying of cables after laying and repair works.

History of Submarine Cables

Get to know how submarine cables started, the chronology of submarine cables, and the history of cable-laying vessels!
Corporate Information
Corporate OutlineEnvironmental Activities