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IHI AMTEC Co., Ltd. @ http://www.ihi.co.jp/amtec/
IHI Ship & Chemical Plant Co., Ltd. @ http://www.ihi.co.jp/isc/
IHI Marine United Inc. @ http://www.ihi.co.jp/ihimu/
I-S shipyard Co., Ltd. @ http://www.is-shipyard.co.jp/
ISB Co., Ltd @ http://www.isb-se.co.jp/
Asakawa Shipbuilding Co., Ltd. @ http://www.asazo.com/
Imabari Shipbuilding Co., Ltd. @ http://www.imazo.co.jp/
Iwagi Zosen Co., Ltd. @ http://www.imazo.co.jp/html/special/iwagi/index.html
Usuki Shipyard Co., Ltd. @ http://www.usukiship.co.jp/
Oshima Shipbuilding Co., Ltd. @ http://www.osy.co.jp/
Onomichi Dockyard Co., Ltd. @ http://www.onozo.co.jp/
Kanasashi Heavy Industries Co., Ltd. @ http://www.kanasashi-hi.co.jp/
Kawasaki Shipbuilding Corporation @ http://www.kawasakizosen.co.jp/
Kanrei Shipbuilding Co., Ltd. @
Kita Nihon Shipbuilding Co., Ltd. @ http://www.kitanihonship.co.jp/
Kegoya Dock Co., Ltd. @ http://www.kegoya-dock.com/
Kyoritsu Kikai Co., Ltd. @ http://kyoritsu.kyoritsu-kikai.co.jp/
Kobe Senpaku-Sobi Co., Ltd. @
Koyo Dockyard Co., Ltd. @ http://www.koyodockyard.co.jp/
Sanoyasu Hishino Meisho Corporation @ http://www.sanoyas.co.jp/
Shikoku Dockyard Co., Ltd. @ http://www.shikokudock.co.jp/
Shimanami Shipyard Co., Ltd. @ http://www.imazo.co.jp/html/special/shimanami/index.html
Shin Kurushima Dockyard Co., Ltd. @ http://www.skdy.co.jp/
Nagasaki Senpaku-Sobi Co., Ltd. @ http://www.nssjpn.co.jp/
Niigata Shipbuilding & Repair Co., Ltd. @ http://www.mes.co.jp/nsr/
Hakata Shipbuilding Co., Ltd. @ http://www.hakatasb.co.jp/
The Hakodate Dock Co., Ltd. @ http://www.hakodate-dock.co.jp/jp/index.html
Higaki Shipbuilding Co., Ltd. @ http://www.higaki.co.jp/
Mitsui Engineering & Shipbuilding Co., Ltd. @ http://www.mes.co.jp/
Mitsubishi Heavy Industries Ltd. @ http://www.mhi.co.jp/
Mitsubishi Heavy Industries Bridge & Steel Structures Engineering Co., Ltd. @ http://www.mhi-bridge-eng.co.jp/
Minami Nippon Shipbuilding Co., Ltd. @ http://www.mnsb.co.jp/
Miho Shipyard Co., Ltd. @ http://www.mihozosen.co.jp/
Murakami Hide Shipbuilding Co., Ltd. @ http://www.murahide.com/
Yamanishi Co., Ltd. @ http://www.yamanishi-miyagi.co.jp/
Universal Shipbuilding Corporation @ http://www.u-zosen.co.jp/
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Awane Construction Co., Ltd. @
Kashima General Construction Co., Ltd. @ http://www.kajima.co.jp/
Techno Alpha Co., Ltd. @ http://www.technoalpha.co.jp
Ryobi Ltd. @ http://www.ryobi-group.co.jp/
Various shipyards in Indonesia @
Various shipyards in Korea @
Various shipyards in Singapore @
Various shipyards in Taiwan @
Other municipal authorities and department stores.
@ Many local general construction companies
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