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BASF SEPetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.Mobil Corp.Standard Oil Co.Osaka Gas Co., Ltd.Saudi Arabian Oil Co.Schlumberger Technologies, Inc.Standard Oil Co.Tokyo Gas Co., Ltd.China National Offshore Oil Corp.China National Offshore Oil Corp.Schlumberger Canada Ltd.JSWChina General Nuclear Power Corp.China General Nuclear Power Corp.Chevron U.S.A., Inc.Voith GmbH & Co. KGaADuksan Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Beijing Yanshan Petrochemical Co., Ltd.Électricité de France SAElf Atochem SAMesser SE & Co. KGaA (Germany)Conoco, Inc.ConocoPhillipsSinopec Oilfield Service Corp.Conoco, Inc.
NIPPON STEEL Stainless Steel Corp.JFE Steel Corp.NKK Corp.NKK Corp.Sumitomo Metal Mining Co. Ltd.Schlumberger Technologies, Inc.JX Nippon Mining & Metals Corp.JX Nippon Mining & Metals Corp.Baoshan Iron & Steel Co., Ltd.Baoshan Iron & Steel Co., Ltd.NIPPON STEEL Stainless Steel Corp.China National Offshore Oil Corp.China National Offshore Oil Corp.Tanaka Kikinzoku Kogyo KKTanaka Holdings Co. Ltd.Sankyo Aluminum Industry Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Halliburton Co.Jinchuan Group Co., Ltd.Armstrong Ceiling Solutions (Australia) Pty Ltd.Sinopec Oilfield Service Corp.Toyo Kohan Co., Ltd.thyssenkrupp Steel Europe AGUsui Co. Ltd.Senju Metal Industry Co., Ltd.Shanxi Taigang Stainless Steel Co., Ltd.CNOOC Energy Technology & Services Ltd.Shougang Group Co., Ltd.Wuhan Iron & Steel Group Corp.
PTT Global Chemical PlcHindalco Industries Ltd.
Shanghai Zhenhua Heavy Industries Co., Ltd.Rizhao Port Co., Ltd.Guangzhou Development Group, Inc.Konecranes OyjBay Environmental Technology (Beijing) Corp.Jiangsu Changlong Petrochemical Equipment Co. Ltd.Shanghai International Port (Group) Co., Ltd.Jiangsu Lianyungang Port Co., Ltd.Tianjin Port Holdings Co., Ltd.Jinzhou Port Co., Ltd.CVS Ferrari SpA
Thales GroupRaytheon Co.DAEWOO SHIPBUILDING & MARINE ENGINEERING Co., Ltd.Ampex Corp.General Dynamics Corp.Prysmian SpARolls-Royce Solutions GmbHNaval University of EngineeringATLAS ELEKTRONIK GmbHKorea Shipbuilding & Offshore Engineering Co., Ltd.Thyssenkrupp Marine Systems GmbHKorea Shipbuilding & Offshore Engineering Co., Ltd.Oceaneering International, Inc.Access Co., Ltd.Howaldtswerke-Deutsche Werft GmbHSaab ABOCC Corp.NTI Corp.Kongsberg Maritime ASLeclanché SASurvitec Group Ltd.Fincantieri SpAOptoplan ASUnited Defense LPPLA Dalian Naval AcademyTorqeedo GmbHFugro NVSparton Corp.Huawei Marine Networks Co., Ltd.Electric Boat Corp.
Technip France SASVetco Gray, Inc.BL Technology, Inc.Korea Shipbuilding & Offshore Engineering Co., Ltd.Korea Shipbuilding & Offshore Engineering Co., Ltd.Oceaneering International, Inc.Dril-Quip, Inc.Telstra Corp. Ltd.Telstra Ltd.National Coupling Co., Inc.SubCom LLCSubsea 7 Norway ASHeerema Marine Contractors Nederland SEEvotec ASCOOEC Subsea Technology Co., Ltd.Subsea Technologies Group Ltd.Sensor Highway Ltd.Wfs Technologies Ltd.Fugro NVSuzhou Douson Drilling & Production Equipment Co., Ltd.Soil Machine Dynamics Ltd.Hydroacoustics, Inc.Xtera Communications, Inc.Nanjing Develop Advanced Manufacturing Co., Ltd.Nanjing Develop Advanced Manufacturing Co., Ltd.Suzhou Douson Drilling & Production Equipment Co., Ltd.Neptune Subsea IP Ltd.Allseas Group SAMagma Global Ltd.MSP/DRILEX (Shanghai) Co., Ltd.
Dresser Industries, Inc.Dresser Industries, Inc.Petrolite Corp.Camco International, Inc.Weatherford U.S. LPGuizhou Gaofeng Petroleum Machinery Co., Ltd.Thermax Ltd.Baker Hughes ESP, Inc.U.S. Well Services LLCUfa State Petroleum Technological UniversityShengli Oil Field Shengli Power Machinery Co. Ltd.Lubrizol Oilfield Solutions, Inc.Gulf Canada Resources Ltd.The Petroleum Oil & Gas Corporation of South Africa (Pty) Ltd.Essef Corp.Teleco Oilfield Services, Inc.Essef Corp.Fracmaster Ltd.AVA International CorpEnpro Subsea Ltd.Ruhrpumpen GmbHTuboscope Vetco International, Inc.Forchem OyAbrado, Inc.POM, Inc.Weatherford Canada Ltd.HYUNDAI Corp.Control Flow, Inc.Shengli Oil Field Dongsheng Precision Petroleum Dev Co., Ltd.Seabed Separation AS