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What we support is safe and seamless maritime operation.
Toyo Sangyo Co., Ltd. is a professional maritime service company supporting a wide range of marine operations.
We primarily provide husbanding and attendance services, as well as the collection and transportation of waste oil, bilge water, and other ship-generated waste, when foreign naval vessels—including those of the U.S. Navy—cruise ships, and ocean-going vessels call at Japanese ports, mainly in Yokohama and Yokosuka.
In addition, we offer a range of support services for government vessels, including those operated by the Japan Maritime Self-Defense Force and the Japan Coast Guard.
Our Services
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Ship Husbandry
Comprehensive port support for ocean-going vessels, naval ships, and cruise liners, including pilot and tugboat arrangement, customs and quarantine procedures, crew assistance, and freshwater supply. -
Marine Waste Collection and Transportation
Proper collection and transportation of ship-generated waste such as used oil, bilge water, and general refuse in compliance with environmental regulations. -
Tugboat Operations
Assisting safe berthing and unberthing within the port through tugboat maneuvering support. -
In-Port Vessel Services
Port-related maritime operations, including the transport of materials and soil within the bay area.
Project Highlights





















