◆Shipbuilding
[Japan]
Mitsubishi Shipbuilding Co., Ltd., Kawasaki Heavy Ind., Ltd., MITSUI E&S Co., Ltd., Japan Marine United Corp., Sumitomo Heavy Ind. Marin & Eng. Co., Ltd., Imabari Shipbuilding Co., Ltd., Onomichi Dockyard, Tsuneishi Shipbuilding Co., Ltd., Shin Kurushima Dockyard Co., Ltd., Namura Shipbuilding Co., Ltd., Oshima Shipbuilding Co., Ltd.

[China]
Shanghai Waigaoqiao Shipbuilding Co.,Ltd., Hudong-Zhonghua Shipbuilding(Gr.) Co.,Ltd., New Times Shipbuilding Co., Ltd., Dalian Shipbuilding Industry Co., Ltd., Guangzhou Shipyard International Company Limited, Nantong Cosco KHI Ship Engineering Co., Ltd., Cosco Shipyard Co., Ltd., Yangzijiang Shipbuilding Group Ltd., New Dayang Shipbuilding Co., Ltd., China Merchants Heavy Industry Co., Ltd., Jiangnan Shipyard (Gr.) Co., Ltd., Hengli Shipbuilding Co., Ltd.

[Korea]
HD Hyundai Heavy Industries Co., Ltd., HD Hyundai Samho Co., Ltd., Hanhwa Ocean Co., Ltd., Samsung Heavy Ind. Co., Ltd., DH Shipbuilding Co., Ltd., HD Hyundai Mipo Co., Ltd., K Shipbuilding Co. Ltd.

[Oher countries]
CSBC (Taiwan), Chantiers De L'Atlantique (France), Cochin (India)

◆Maritime
[Japan]
Nippon Yusen Kaisya, Mitsui O.S.K. Lines, Kawasaki Kisen Kaisya, Ltd., Idemitsu Tanker, Iino Lines, Kyoei Tanker Co., Ltd., ENEOS Ocean Co., Ltd., NS United Kaiun Kaisha, Ltd., Nissen Kaiun Co., Ltd., Doun Kisen KK, Fukujin Kisen KK

[Overseas countries]
BW Group, Euronav Group, Teekay Ship'g, Group, Frontline (Norway), COOLCO (Norway), Hoegh LNG (Norway), A. P. Moller (Denmark), BP (UK), Shell (UK), Andriaki (Greece), Dynacom (Greece), Gaslog (Greece), Maran Tanker & LNG (Greece), Thenamaris (Greece), Tsakos (Greece), Geden (Turkey), Sovcomflot (Russia), KOTC (Kuwait), NITC (Iran), SCI (India), Petronas (Malaysia), Chevron (USA), Exxon-Mobil (USA), China Merchant (China), COSCO (China), CPC (Taiwan), H-Line Shipping (Korea), SK Shipping (Korea)

◆Public Offices
Ministry of Defense, Japan Coast Guard, Ministry of Agriculture, Forestry & Fisheries, Japan Meteorological Agency, Ministry of Education, Culture, Sports,Science & Technology

◆Electricity and Gas
[Japan]
Jera Co., Inc., The Chugoku Electric Power Co., Inc., Kansai Electric Power Co., Inc., Kyushu Electric Power Co., Inc., Osaka Gas Co., Ltd., Toho Gas Co., Ltd., Chita LNG Co., Ltd., Kitakyushu LNG Co., Inc., Hiroshima Gas Co., Ltd., Sakai LNG Co., Inc., Mizushima LNG Group, INPEX Corp., Oita LNG Co., Inc., Shizuoka Gas Co., Saibu Gas Co., Ltd., Tokyo Gas Co., Ltd., Hibiki LNG Co. Inc., Tobu Gas Co., Ltd., Nippon Gas Co., Ltd., Fukushima Gas Power Co., Ltd., Hokuriku Electric Power Co., Tohoku Electric Power Co., Inc.

[Overseas countries]
KGC(Korea), NIOC (Iran), Shanghai Gas (China), Chinese Petroleum Corporation (Taiwan)

◆Sugar
Eastern Sugar (Thailand), KSL (Thailand), TCC Sugar (Thailand), Saharuang (Thailand), Mitr Phol (Thailand), Negh An (Vietnam), JDW Sugar (Pakistan), Tandlianwalla (Paksitan), PT PSMI (Indonesia), PT Kebon Agung (Indonesia), Kenana (Sudan), Proserpine (Australia)

◆Land
[Japan]
Toyo Engineering Corp., Chiyoda Corp., JGC Holdings Corp., Nippon Steel Engineering Co., Ltd., Takuma Co., Ltd., Kanadevia Corporatio., Ebara Environmental Plant Co., Ltd., Mitsubishi Heavy Ind. Environmental & Chemical Engineering Co., Ltd., Toshiba Plant Systems & Services Corp., Kawasaki Heavy Industries Co., Ltd., Tsukishima Kankyo Engineering Ltd., Yoshimine Co., Ltd., Tokyo Boeki Machinery Ltd., Iwatani Corp., Tokyo Gas Engineering Solutions Corp.

[Overseas countries]
Wasco Agrotech (Malaysia), MW Power (Finland), CPC (Taiwan)