
At Naikai Tug Boat Service, environmental conservation is a company-wide concern, and as the objective for employees to engage in activities related to environmental improvement, we have obtained ISO 14001 certification for 11 Japanese business locations and 22 vessels.

| Registrars | DNV (DNV Business Assurance,Japan) |
|---|---|
| Accreditation Service | RvA (Raad voor Accreditatie) |
| Applicable Standard | ISO 14001:2015 |
| Registration Number | Environmental Management System C720197 |
| Scope of Application | Management and operation of ships |
| Registered offices | Head Office, Tokyo Office, Mizushima Office, Sakai Branch Office, Onomichi Branch Office, Komatsushima Branch Office, Hiroshima Office, Tokuyama Branch Office, Ube Branch Office, Oita Branch Office, Matsuyama Branch Office 11 base of the above |
| Operating Ship | TATUTA MARU, HIROTA MARU, KANDA MARU, KOTA MARU, KATUTA MARU, AMATA MARU, HIRATA MARU, WADA MARU, TOMITA MARU, SETA MARU, FUKUDA MARU, HITA MARU, ATUTA MARU, ARITA MARU, NITTA MARU, HARUTA MARU, URATA MARU, IKUTA MARU, WAKATA MARU, AKETA MARU, NAIKAIā
”, OHSHIO 22 ship of the above |