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PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Mobil Corp.Exxon Mobil Corp.Standard Oil Co.Saudi Arabian Oil Co.China National Petroleum Corp.Osaka Gas Co., Ltd.Schlumberger Technologies, Inc.Standard Oil Co.Tokyo Gas Co., Ltd.Elf Atochem SAChina National Offshore Oil Corp.China National Offshore Oil Corp.JSWChina General Nuclear Power Corp.Voith GmbH & Co. KGaADuksan Co., Ltd.Beijing Yanshan Petrochemical Co., Ltd.Dresser Industries, Inc.Électricité de France SAElf Aquitaine FertilisantsHalliburton Co.Shell Deepwater Development, Inc.Messer SE & Co. KGaA (Germany)Eni SpAConoco, Inc.ConocoPhillipsSinopec Oilfield Service Corp.SK Innovation Co., Ltd.
NIPPON STEEL Stainless Steel Corp.JFE Steel Corp.NKK Corp.NKK Corp.China National Petroleum Corp.Schlumberger Technologies, Inc.JX Nippon Mining & Metals Corp.Baoshan Iron & Steel Co., Ltd.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.Shanghai Huahong Grace Semiconductor Manufacturing Corp.Halliburton Co.Jinchuan Group Co., Ltd.Armstrong Ceiling Solutions (Australia) Pty Ltd.Sinopec Oilfield Service Corp.thyssenkrupp Steel Europe AGToyo Kohan Co., Ltd.Senju Metal Industry Co., Ltd.Usui International Industry Co., LtdVallourec Oil & Gas France SASCNOOC Energy Technology & Services Ltd.Shougang Group Co., Ltd.Nanjing Iron & Steel Co., Ltd.Heraeus Precious Metals GmbH & Co. KGWuhan Iron & Steel Group Corp.Nippon Steel Metal Products Co., Ltd
Halliburton Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.Daido Kogyo Co., Ltd.Camco International, Inc.Dril-Quip, Inc.C. & J. Clark International Ltd.Anton Oilfield Services (Group) Ltd.Trican Well Service Ltd.DynaEnergetics GmbH & Co. KGRPC, Inc.Innovex Downhole Solutions, Inc.Gyrodata, Inc.Valaris PlcTuboscope Vetco International, Inc.Tuboscope Vetco International, Inc.Centek Ltd.Tong Oil Tools Co., Ltd.Premier Coil Solutions, Inc.Bilco Tools, Inc.Calfrac Well Services Ltd.Stimline ASSchoeller-Bleckmann Oilfield Equipment AGAnTech Ltd.Rosneft Oil Co.Magnum Oil Tools International Ltd.Wenzel Downhole Tools Ltd.FHE USA LLCHydra-Rig, Inc.Beijing Yilong Hengye Petroleum Engineering Tech Co., Ltd.
Emerson Electric Co.Areva NP SASDraper, Inc.EMI Ltd.Stewart-Warner Corp.Chino Corp.IDEXX Laboratories, Inc.Aichi Tokei Denki Co., Ltd.DKK-TOA Corp.Areva NP SASShowa Aircraft Industry Co., Ltd.Bruker BioSpin Corp.Smiths Group PlcChongqing Chuanyi Automation Co., Ltd.Chongqing Chuanyi Automation Co., Ltd.Technology Partnership PlcOVAL Corp.Spectris PlcShanghai Electrical Apparatus Research Inst. (Group) Co. LtdHach Co.Toyo Kanetsu KKEwatt Technology Co. Ltd.Ewatt Technology Co. Ltd.Focused Photonics (Hangzhou), Inc.Kyowa Electronic Instruments Co., Ltd.Kyowa Electronic Instruments Co., Ltd.CEM Holdings Corp.Physik Instrumente (PI) GmbH & Co. KGFocused Photonics (Hangzhou), Inc.Verb Surgical, Inc.
Halliburton Co.Cameron International Corp.Baker Hughes Pressure Control LPSubsea Technologies Group Ltd.Huf Baolong Electronics Bretten GmbHAMTROL, Inc.SR Engineering KKKinetic Pressure Control Ltd.Tuboscope Vetco International, Inc.Tuboscope Vetco International, Inc.Premier Coil Solutions, Inc.TI Automotive Fuel Systems SASControl Flow, Inc.Intelligent Wellhead Systems, Inc.VAG Water Systems (Taicang) Co., Ltd.BPR Medical Ltd.Kwikot Ltd.ADS Services LLCSPM Oil & Gas PC LLCCudd Pressure Control, Inc.Drexel Oilfield Services, Inc.Asco Numatics GmbHIntegrated Production Services, Inc.Integrated Production Services, Inc.Venturie ASCactus Wellhead LLCTescom Europe GmbH & Co. KGProgressive Technologies, Inc.Porter Instrument Co., Inc.Porter Instrument Co., Inc.
Samsung Heavy Industries Co., Ltd.Hanwha Ocean Co., Ltd.China National Offshore Oil Corp.China National Offshore Oil Corp.Halliburton Co.Petróleo Brasileiro SASaipem SpAVetco Gray, Inc.Oceaneering International, Inc.Vallourec SADril-Quip, Inc.National-Oilwell, Inc.Yantai CIMC Raffles Offshore Ltd.Transocean Sedco Forex Ventures Ltd.Bluewater Energy Services BVScientific Drilling International, Inc.Twister BVTrican Well Service Ltd.Anadarko Petroleum Corp.Maersk Drilling A/SInnovex Downhole Solutions, Inc.Valaris PlcBergstrom, Inc.Shengli Petroleum Administrative BureauDrillmec SpAWorldwide Oilfield Machine, Inc.Centek Ltd.MODEC, Inc.Japan Drilling Co., Ltd.Stena Drilling Ltd.
Hon Hai Precision Industry Co., Ltd.Fraunhofer-Gesellschaft eVThe Dow Chemical Co.Mitsui Chemicals, Inc.3M Co.Showa Denko Materials Co. Ltd.Rohm & Haas Co.Resonac Corp.TOTO Ltd.DIC CorporationJSR Corp.Sumitomo Bakelite Co., Ltd.Goodrich Corp.W. R. Grace & Co.-Conn.Air Products & Chemicals, Inc.Lam Research Corp.Nissan Chemical Corp.Ciba Specialty Chemicals Holding, Inc.JX Nippon Mining & Metals Corp.Toyo Ink SC Holdings Co. Ltd.Mitsubishi Paper Mills Ltd.SCHOTT AGULVAC, Inc.NOF Corp.Kansai Paint Co., Ltd.Elf Atochem SATOKYO OHKA KOGYO CO., LTD.Kennametal, Inc.Nordson Corp.Angang Steel Co., Ltd.