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Halliburton Energy Services, Inc.Southwest Petroleum UniversityCabot Corp.Halliburton Co.Albemarle Corp.Kemira OyjM-I LLCOccidental Chemical Corp.Marathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.Stepan Co.Harima Chemicals Group, Inc.Ceca SALamberti SpADerrick Corp.Sakamoto Yakuhin Kogyo Co., Ltd.PQ Corp.M-I Drilling Fluids U.K. Ltd.Occidental Petroleum Corp.Elliott Co.Elkem Silicones France SASNikko Chemicals Co., Ltd.Oleon NVTrican Well Service Ltd.Hammelmann GmbHInnovex Downhole Solutions, Inc.Apache Corp.Brooks Instrument LLC
Sumitomo Chemical Co., Ltd.LG Chem Ltd.Honeywell International, Inc.The Dow Chemical Co.Mitsui Chemicals, Inc.Asahi Kasei Corp.Shin-Etsu Chemical Co., Ltd.Union Carbide Corp.PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.UBE Corp.JSR Corp.W.R. Grace & Co.Saudi Arabian Oil Co.Nippon Kayaku Co., Ltd.Tosoh Corp.Shell Oil Co.China University of Petroleum (East China)China University of Petroleum (East China)BASF Corp.TOKYO OHKA KOGYO CO., LTD.Ocean's King Lighting Science & Technology Co., Ltd.Sanyo Chemical Industries Ltd.Ocean's King Lighting Science & Technology Co., Ltd.China National Offshore Oil Corp.China National Offshore Oil Corp.Chisso Corp.Dongwoo Fine-Chem Co., Ltd.Bank of China Ltd.
Sumitomo Chemical Co., Ltd.Toshiba Chemical Corp.G.M. SrlDAIKIN INDUSTRIES Ltd.KOA Co., LtdThe Dow Chemical Co.Mitsui Chemicals, Inc.Asahi Kasei Corp.IG Farbenindustrie AGDow Global Technologies LLCShin-Etsu Chemical Co., Ltd.Showa Denko K.K.Resonac Holdings Corp.DIC CorporationDegussa AGToyobo Co., Ltd.Zhejiang University of TechnologyKoninklijke DSM NVIdemitsu Kosan Co., Ltd.Harbin Institute of TechnologyExxon Mobil Corp.UBE Corp.Nippon Zeon Co., Ltd.Daicel Corp.Kunming University of Science & TechnologyBell Laboratories, Inc.Dalian University of TechnologyNippon Shokubai Co., Ltd.Yoshino Kogyosho Co. Ltd.Air Products & Chemicals, Inc.
Union Carbide Corp.PetroChina Co., Ltd.Standard Oil Co.BP Chemicals Ltd.Standard Oil Co.Kolon Industries, Inc.Idemitsu Petrochemical Co., Ltd.ConocoPhillipsPetróleo Brasileiro SAPGS Geophysical ASLarsen & Toubro Ltd.Great Lakes Chemical Corp.Great Lakes Chemical Corp.Indian Oil Corp. Ltd.Phillips 66Repsol SACray Valley SASK Geocentric Co.Mitsubishi Oil Co. Ltd.Montecatini SpAHindustan Petroleum Corp. Ltd.Membrane Technology & Research, Inc.Jiaxipera Compressor Co., Ltd.Wintershall Holding GmbHKiOR, Inc.Lyten, Inc.Instytut Nafty i GazuMcDermott International, Inc.Norris Industries, Inc.Nippon Oil Corp.
Halliburton Energy Services, Inc.JFE Steel Corp.Marathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.Ceca SAVallourec SACARBO Ceramics, Inc.Elliott Co.Membrane Technology & Research, Inc.Grant Prideco, Inc.Wuxi Seamless Oil Pipe Co. Ltd.Scientific Drilling International, Inc.Trican Well Service Ltd.Hammelmann GmbHAnadarko Petroleum Corp.Intelliserv, Inc.Apache Corp.Shanghai Hilong Drill Pipe Co. Ltd.Gyrodata, Inc.Yantai Jereh Oilfield Services Group Co. Ltd.Yantai Jereh Oilfield Services Group Co. Ltd.Netzsch Gertebau GmbHNexen Corp.Chimec SpALeistritz AGDI Corp.Tianhe Oil Group Huifeng Petroleum Equipment Co. Ltd.Tianhe Oil Group Huifeng Petroleum Equipment Co. Ltd.Devon Energy Corp.
Halliburton Energy Services, Inc.Halliburton Co.ConocoPhillipsSmith International, Inc.Marathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.Ceca SATracto Technik GmbH & Co. KGHerrenknecht AGElliott Co.Membrane Technology & Research, Inc.Scientific Drilling International, Inc.Trican Well Service Ltd.Hammelmann GmbHAnadarko Petroleum Corp.Maersk Drilling A/SApache Corp.Gyrodata, Inc.Yantai Jereh Oilfield Services Group Co. Ltd.Valaris PlcBeijing Liuhe Greatness Technology Co., Ltd.Yantai Jereh Oilfield Services Group Co. Ltd.Beijing Liuhe Greatness Technology Co., Ltd.Netzsch Gertebau GmbHNexen Corp.Chimec SpALeistritz AGMotive Drilling Technologies, Inc.
Halliburton Energy Services, Inc.Halliburton Co.Smith International, Inc.Sandvik AktiebolagO & K Orenstein & Koppel AGO & K Orenstein & Koppel AGMarathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.Sany Heavy Equipment Co., Ltd.Caterpillar Paving Products, Inc.Ceca SADePuy Mitek LLCLamberti SpAEpiroc Rock Drills ABDril-Quip, Inc.US Synthetic Corp.Tianjin Cement Industry Design & Research Institute Co., Ltd.Shanghai SK Petroleum & Chemical Equipment Corp. Ltd.Herrenknecht AGHenan Huanghe Whirlwind Co., Ltd.Elliott Co.Evolution Engineering, Inc.Membrane Technology & Research, Inc.Grant Prideco, Inc.Case New Holland Italia SpALingong Heavy Machinery Co., Ltd.Gottwald Port Technology GmbHLingong Group Jinan Heavy Machinery Co. Ltd.Scientific Drilling International, Inc.