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PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.Mobil Corp.Standard Oil Co.W.R. Grace & Co.Osaka Gas Co., Ltd.Saudi Arabian Oil Co.Shell Oil Co.Standard Oil Co.China University of Petroleum (East China)China University of Petroleum (East China)Kolon Industries, Inc.Sanyo Chemical Industries Ltd.China National Offshore Oil Corp.China National Offshore Oil Corp.Angang Steel Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Beijing Yanshan Petrochemical Co., Ltd.Albemarle Corp.ConocoPhillipsStorz GmbH & Co. KGTonen General Sekiyu KKElf Aquitaine FertilisantsElf Aquitaine FertilisantsEni SpASK Innovation Co., Ltd.TotalEnergies SEGraco, Inc.
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
Nippon Petrochemicals Co., Ltd.Afton Chemical Corp.Gulf Oil LPStanadyne Corp.Admiral Makarov National University of ShipbuildingNippon Petroleum Refining Co. Ltd.Hartridge Ltd.Oxonica Ltd.CITGO Petroleum Corp.Bml Munjal UniversityKCG College of TechnologyClean Air Power, Inc.CTS Ceramics Denmark A/SEvolution Well Services LLCKurz-Kasch, Inc.DynaCERT, Inc.Clean Fuels Technology, Inc.Engineuity Research & Development Ltd.Rajalakshmi Engineering CollegeBusan City Gas Co., Ltd.Primus Green Energy, Inc.Sanko Seiki Co Ltd.China Han Ji Power Co. Ltd.ClearFlame Engines, Inc.Chaitanya Bharathi Institute of TechnologyForge Hydrocarbons Corp.Rive Technology, Inc.Sylvatex, Inc.Blackburn Energy, Inc.Sri Venkateswara College of Engineering
Miura Co., Ltd.Gulf Oil LPCARBO Ceramics, Inc.Nippon Gas Co., Ltd. (8174)Veba Oel AGRPC, Inc.Apache Corp.The Cleaver-Brooks Co., Inc.MODEC, Inc.Devon Energy Corp.Vialle Alternative Fuel Systems BVKnutsen OAS Shipping ASOil & Natural Gas Corp. Ltd.Gotec SAAERCO International, Inc.Vialle Alternative Fuel Systems BVSunPine ABCalfrac Well Services Ltd.Rosneft Oil Co.Innospec Fuel Specialties LLCNew York Mercantile Exchange, Inc.EOG Resources, Inc.ZCL Composites, Inc.Fred M. Schildwachter & Sons, Inc.Henning GmbH & Co. KGPetro, Inc.Raiffeisen Waren-Zentrale Rhein-Main eGUnited Fuels International, Inc.PT Pertamina RetailQT Technologies LLC
Osaka Gas Co., Ltd.Japan Energy Corp.TOHO GAS Co., Ltd.Air Water, Inc.Iwatani Corp.Iwatani Corp.BP Exploration Operating Co. Ltd.Phillips 66STX Offshore & Shipbuilding Co., Ltd.Sinopec Shanghai Petrochemical Co., Ltd.Maruti Suzuki India Ltd.K Shipbuilding Co., Ltd.African Oxygen Ltd.Shenzhen Gas Corp. Ltd.Nippon Gas Co., Ltd. (8174)HYUNDAI MIPO DOCKYARD Co., Ltd.Daesung Industrial Co., Ltd.Mitsui Liquefied Gas Co., Ltd.Cavagna Group SpAESSEN TECH Co., Ltd.Emer SpAEngineered Controls International LLCEngineered Controls International LLCShandong Shouguang Luqing Petrochemical Co., Ltd.Butagaz SASShandong Shouguang Luqing Petrochemical Co., Ltd.Tianjin Bohai Petrochemical Co., Ltd.Dongguan Xin'ao Gas Co., Ltd.Hiroshima Gas Co., Ltd.Tianjin Bohai Petrochemical Co., Ltd.
Kubota Corp.Mazda Motor Corp.IG Farbenindustrie AGYamaha Corp.Lucas Industries PlcSaudi Arabian Oil Co.Shell Oil Co.Hino Motors, Ltd.Yanmar Co., Ltd.Johnson Matthey PlcBorgWarner, Inc.The Lubrizol Corp.Beijing Yanshan Petrochemical Co., Ltd.Messer SE & Co. KGaA (Germany)Conoco, Inc.Sinopec Oilfield Service Corp.Conoco, Inc.Eni SpAKeihin Corp.Amoco Corp.TotalEnergies SESsangyong Motor Co., Ltd.Loncin Motor Co., Ltd.Afton Chemical Corp.Magna International, Inc.Infineum International Ltd.Lifan Technology (Group) Co., Ltd.Nippon Piston Ring Co., Ltd.Key Safety Systems, Inc.Mitsubishi Heavy Industries Engine & Turbocharger Ltd.
PetroChina Co., Ltd.Exxon Mobil Corp.IBIDEN Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Conoco, Inc.Conoco, Inc.Storz GmbH & Co. KGTonen General Sekiyu KKElf Aquitaine FertilisantsElf Aquitaine FertilisantsEni SpASK Innovation Co., Ltd.Nippon Petrochemicals Co., Ltd.Japan Energy Corp.TOHO GAS Co., Ltd.Hokko Chemical Industry Co., Ltd.Gulf Oil LPLiaohe Petroleum Exploration Bureau Co., Ltd.Liaohe Petroleum Exploration Bureau Co., Ltd.BP Oil International Ltd.Japan Petroleum Exploration Co., Ltd.Phillips 66Unifrax I LLCShanghai SK Petroleum & Chemical Equipment Corp. Ltd.Nippon Petroleum Refining Co. Ltd.JA ZennohKashima Oil Co., Ltd.Imperial Oil Ltd.Nippon Oil Corp.