-Tokyo Head Office:
　　Seavans N Building, 1-2-1, Shibaura, Minato-ku, Tokyo, Japan
-Yokohama Office:
　　1 Izuta-cho, Kanagawa-ku, Yokohama-shi, Kanagawa-ken, Japan
-Nagasaki Office:
　　22-1 Nishidomari-cho, Nagasaki-shi, Nagasaki-ken, Japan
-Manila Branch:
　　1903 LV Locsin Bldg 6752 Ayala Avenue Legaspi Village San Lorenzo Makai City 1226 Philippines

◆Marine business
Businesses shown below concerning the building of new maritime infrastructures such as communication cables, power cables, public networks of district municipalities and environmental investigation.

Consulting
- Selection of landing locations of submarine cables and preliminary investigation on submarine laying routes
- Negotiation with fishery concerns, unions etc.
- Designing submarine cable landing routes and drafting technical specifications
- Obtaining permits for submarine cable landing and such

Marine survey
- Survey of cable laying routes
- Analysis of marine survey results & design of optimal routes
- Selection of cable lengths and types
- Proposals for cable laying methods, etc

Cable laying
- Simultaneous cable laying and burying
- Burying cables after they are laid
- Cleaning up the sea bottom
- Connection of submarine cables (including universal joint engineering)
- Testing out submarine cables

Other services
- Trouble shooting
- Maintenance of submarine cables
- Implementing preventive maintenance
- Keeping and maintaining facility logs
- Cleaning up the cable laying routes
- Various investigations by submersible robots (ROV)
- Leasing of marine equipment and systems
- Storage and management of submarine cables and relays devices

◆IP & Power generator services
Land-based engineering services based on know-how and expertise in the marine business; services involving inboard broadband technology and office automation.
- Inspection and maintenance of emergency generators
- Sales of inboard and outboard broadband equipment and devices.
- Consulting regarding inboard office automation.