◆Shipbuilding
[Japan]
Mitsubishi Heavy Ind., 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., Kanda Shipbuilding Co., ltd., Minaminippon 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., Jiangsu Yangzijiang Shipbuilding Company Limited, Yangzhou Dayang Shipbuilding Co., Ltd., Bohai Shipbuilding Heavy Industry Co., Ltd., China Shipping Industry （Jiangsu） Co., Ltd., Jiangnan Shipyard (Gr.) Co., Ltd.

[Korea]
HD Hyundai Heavy Industries Co., Ltd., Hyundai Samho Heavy Ind. Co., Ltd., Hanhwa Ocean Co., Ltd., Samsung Heavy Ind. Co., Ltd., Daehan Shipbldg. Co., Ltd., STX Offshore & Shipbldg. Co., Ltd., Sungdong Shipbuilding & Marine Eng. Co.,Ltd., SPP Shipbuilding Co., Ltd., Hyundai Mipo Dockyard Co., Ltd.

[Oher countries]
CSBC (Taiwan), Broodosplit (Croatia), Avondale (USA), Atlantico Sul (Brazil), Namtrie (Vietnam)

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

[Overseas countries]
BW Group, Euronav Group, OSG Ship'g 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 (Cyprus), KOTC (Kuwait), SCI (India), Petronas (Malaysia), Chevron Texaco (USA), Exxon-Mobil (USA), China Shipping (China), 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]
Tokyo Electric Power Co., Chubu Electric Power 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, 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.

[Overseas countries]
KGC(Korea), Shanghai Gas (China)

◆Sugar
Eastern Sugar (Thailand), KSL (Thailand), TCC Sugar (Thailand), Saharuang (Thailand), Mitr Phol (Thailand), Negh An (Vietnam), JDW Sugar (Pakistan), Tandlianwalla (Paksitan), PTPN-10 (Indonesia), PT Sentra (Indonesia), Kenana (Sudan), Proserpine (Australia)

◆Land
[Japan]
Toyo Engineering Corp., Chiyoda Corp., JGC Corp., Nippon Steel & Sumikin Engineering Co., Ltd., Takuma Co., Ltd., Hitachi Zosen Corp., Ebara Corp., Mitsubishi Heavy Ind. Environmental & Chemical Engineering Co., Ltd., Toshiba Corp., Mitsui Engineering & Shipbuilding Co., Ltd., Tsukishima Kikai Co., Ltd., Tokyo Boeki Machinery Ltd., Iwatani Corp., Tokyo Gas Engineering Co., Ltd., JFE Engineering Corp.

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