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Toa Corporation


5 Yonban-cho
102 8451 Japan


+81-3-5226 1232
+81-3-5226 1234

Page Review


Last updated

6 years 18 weeks ago


Since its establishment in 1908, TOA CORPORATION has been engaged in dredging and reclamation for the construction of harbors and their related facilities, design and execution of coastline buildings, construction of airports, marine leisure facilities, warehouses for distribution, factories, and power plants.

With its state-of-the-art technology, TOA has completed many projects of urban development, commercial buildings, hotels, medical, educational, cultural and residential facilities, and has gained a high reputation for each and every design, execution of construction, and maintenance.

Equipment - active

Type Number Power Volume
Trailing suction hopper dredgers 1 24300 kW 16500 m³
Cutter suction dredgers 1 10221 kW
Name Type Built Power Volume
Ajia Maru No.3 CSD 1979 10221 kW
Kaishuu TSHD 2002 24300 kW 16500 m³

Equipment - historical

Name Type Built Power Volume
Ajia Maru CSD 1962 5148 kW
Asahi Maru No.3 CSD 2685 kW
Asia Maru CSD 1962 8262 kW
Asia Maru No.2 CSD 1972 7415 kW
Azuma Maru No.1 CSD 1961 2533 kW
Azuma Maru No.2 CSD 1961 2533 kW
Azuma Maru No.3 CSD 1962 2533 kW
Fukoku Maru No.5 CSD 4923 kW
Hikawa Maru SD 1961
Negishi Maru DD 1960
Ryowa Maru No.3 CSD 11757 kW
Tachibana Maru CSD 4311 kW
Tachibana Maru No.2 CSD 5602 kW
TOA 3501 HB 3500 m³
TOA 5003 HB 3200 m³
Toa Maru No.3 CSD 1972 11741 kW
Tosei maru CSD 1492 kW
Toshin Maru CSD 2984 kW
Totai Maru CSD 5317 kW
Yokohama-Maru CSD 1959



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