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Halliburton Energy Services, Inc.Halliburton Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.Oceaneering International, Inc.Vallourec SADril-Quip, Inc.C. & J. Clark International Ltd.Anton Oilfield Services (Group) Ltd.Scientific Drilling International, Inc.Packers Plus Energy Services, Inc.Trican Well Service Ltd.Subsea Technologies Group Ltd.Altus Intervention ASRPC, Inc.Gyrodata, Inc.Valaris PlcGeoservices SAHelix Energy Solutions Group, Inc.Ziebel ASQuality Intervention ASTempress Technologies, Inc.Bilco Tools, Inc.Calfrac Well Services Ltd.Schoeller-Bleckmann Oilfield Equipment AGWireline Engineering Ltd.Drillform Technical Services Ltd.TecWel ASWenzel Downhole Tools Ltd.
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 SAHalliburton Co.Messer SE & Co. KGaA (Germany)Conoco, Inc.ConocoPhillipsSinopec Oilfield Service Corp.
Halliburton Co.MAN Energy Solutions SEAllison Transmission, Inc.Mitsubishi Heavy Industries Compressor Corp.Dover Corp.Getrag (Jiangxi) Transmission Co. Ltd.Trican Well Service Ltd.RPC, Inc.Valaris PlcAtlas Copco Energas GmbHNeuroSky, Inc.Upwing Energy, Inc.Bauer Kompressoren GmbhZeitecs BVZiebel ASCalfrac Well Services Ltd.John Crane Safematic OyDrillform Technical Services Ltd.Flowco Production Solutions LLCRMSpumptools Ltd.Raise Production, Inc.Endurance Lift Solutions LLCWeatherford Artificial Lift Systems LLCInstitut Virion-Serion GmbH WürzburgRed Spider Technology Ltd.Crostek Management Corp.Emotiv, Inc.Millennium Oilflow Systems & Technology, Inc.STEP Energy Services Ltd.Precision Drilling Corp.
Halliburton Energy Services, Inc.Clariant International AGHalliburton Co.Marathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.Ceca SAProgress Rail Locomotive, Inc.Vallourec SAEnventure Global Technology LLCC. & J. Clark International Ltd.CARBO Ceramics, Inc.Elliott Co.Progress Rail Services Corp.American Colloid Co.Packers Plus Energy Services, Inc.Trican Well Service Ltd.Hammelmann GmbHRPC, Inc.Innovex Downhole Solutions, Inc.Apache Corp.Gyrodata, Inc.Yantai Jereh Oilfield Services Group Co. Ltd.Yantai Jereh Oilfield Services Group Co. Ltd.Netzsch Gertebau GmbHWoodside Energy Ltd.Nexen Corp.Chimec SpALeistritz AG
China University of Petroleum (East China)China University of Petroleum (East China)China Jiliang UniversityPalo Alto Research Center, Inc.Seoul Viosys Co., Ltd.HIROSE ELECTRIC CO., LTD.De la Rue International Ltd.Tatsuta Electric Wire & Cable Co., Ltd.Tatsuta Electric Wire & Cable Co., Ltd.Lumentum Operations LLCOFS Fitel LLCPreformed Line Products Co.AFL Telecommunications LLCMitsubishi Precision Co. Ltd.SENKO Advanced Components, Inc.Fujitsu Optical Components Ltd.University of BathHeriot-Watt UniversitySteinel GmbHEMCORE Corp.SUMITA Optical glass, Inc.Input Output, Inc.Channell Commercial Corp.Souriau SASEnraytek Optoelectronics Co. Ltd.Adamant Co., Ltd.CIDRA Corp. /Optical Sensing Systems Operations/Optoplan ASWuhan Ligong Guangke Co., Ltd.Silixa Ltd.
China Oilfield Services Ltd.Foro Energy, Inc.Drillmec SpARival Downhole Tools LCHubei Jianghan Petroleum Instrument & Meter Co., Ltd.Texas Brine Co. LLCBeijing Yilong Hengye Petroleum Engineering Tech Co., Ltd.Ardyne Technologies Ltd.Advantec ASBalance Point Control BVTotal Energy Services, Inc.
NIPPON STEEL Stainless Steel Corp.Kobe Steel, Ltd.IG Farbenindustrie AGJFE Holdings, Inc.American Can Co.Suzuki Co., Ltd.American Can Co.Sumitomo Metal Industries Ltd.Hitachi Metals, Ltd.Proterial Ltd.Hitachi Construction Machinery Co., Ltd.Hitachi Cable Ltd.YKK Corp.YKK Corp.Nissan Chemical Corp.Sumitomo Metal Mining Co. Ltd.JX Nippon Mining & Metals Corp.Daido Steel Co., Ltd.Johnson Matthey PlcMitsui Mining & Smelting Co., Ltd.Toyo Seikan Group Holdings Ltd.Baoshan Iron & Steel Co., Ltd.Konami Digital Entertainment Co., Ltd.Baoshan Iron & Steel Co., Ltd.Maxell Ltd.NIPPON STEEL Stainless Steel Corp.Nippon Light Metal Co., Ltd.Sintokogio Ltd.Nippon Micrometal Corp.Kennametal, Inc.