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Halliburton Energy Services, Inc.Southwest Petroleum UniversityClariant International AGHalliburton Co.ConocoPhillipsMarathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.BGP, Inc.CoorsTek, Inc.Ceca SAION Geophysical Corp.Verenium Corp.CARBO Ceramics, Inc.Elliott Co.Scientific Drilling International, Inc.Trican Well Service Ltd.Hammelmann GmbHU.S. Well Services LLCOasys Water, Inc.RPC, Inc.Apache Corp.Gyrodata, Inc.Valaris PlcNetzsch Gertebau GmbHNexen Corp.Chimec SpALeistritz AGDI Corp.
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.China National Offshore Oil Corp.China National Offshore Oil Corp.Schlumberger Canada Ltd.JSWChina General Nuclear Power Corp.China General Nuclear Power Corp.Voith GmbH & Co. KGaADuksan Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Beijing Yanshan Petrochemical Co., Ltd.Électricité de France SAElf Atochem SAHalliburton Co.Messer SE & Co. KGaA (Germany)Conoco, Inc.ConocoPhillipsSinopec Oilfield Service Corp.Conoco, Inc.Elf Aquitaine Fertilisants
International Business Machines Corp.Fujitsu Ltd.Tencent Technology (Shenzhen) Co., Ltd.Yokogawa Electric Corp.Oracle America, Inc.Hewlett Packard Enterprise Development LPSeagate Technology LLCDelphi Technology, Inc.Praxair S.T. Technology, Inc.Life Technologies Corp.Juniper Networks, Inc.Unisys Corp.Tata Consultancy Services Ltd.Inspur Electronic Information Industry Co., Ltd.Avaya, Inc.MiTAC International Corp.Siemens Medical Solutions USA, Inc.Heroku, Inc.Agfa-Gevaert NVLandmark Graphics Corp.Fiberhome Telecommunication Technologies Co., Ltd.Shima Seiki Mfg. Ltd.Shima Seiki Mfg. Ltd.NARI Technology Co., Ltd.Rambus, Inc.Canon Marketing Japan, Inc.HRL Laboratories LLCBull SANEC Soft Ltd.Peking University Founder Group Corp.
Halliburton Co.Varco International, Inc.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.
