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PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Mobil Corp.Exxon Mobil Corp.Standard Oil Co.Saudi Arabian Oil Co.W. R. Grace & Co.-Conn.China National Petroleum Corp.Osaka Gas Co., Ltd.Shell Oil Co.Standard Oil Co.China University of Petroleum (East China)Tokyo Gas Co., Ltd.China University of Petroleum (East China)Sanyo Chemical Industries Ltd.China National Offshore Oil Corp.China National Offshore Oil Corp.Exxonmobil Upstream Research Co.Angang Steel Co., Ltd.Beijing Yanshan Petrochemical Co., Ltd.Dresser Industries, Inc.Dresser Industries, Inc.Elf Aquitaine FertilisantsAlbemarle Corp.Ethyl Corp.Eni SpAConocoPhillipsTonen General Sekiyu KKSK Innovation Co., Ltd.Elf Aquitaine Fertilisants
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.Saint-Gobain PAM Holding SAthyssenkrupp 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.
PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.Saudi Arabian Oil Co.China National Petroleum Corp.NOK Corp.The Lubrizol Corp.Husqvarna ABJX Nippon Oil & Energy Marine Service Corp.Elf Aquitaine FertilisantsEni SpASinopec Oilfield Service Corp.Elf Aquitaine FertilisantsGraco, Inc.Petróleo Brasileiro SATotalEnergies SEAshland LLCAfton Chemical Corp.Infineum International Ltd.Cognis Deutschland GmbH & Co. KGGraham Packaging Co. LPCastrol Ltd.BP Exploration Operating Co. Ltd.SEPPIC SACroda International PlcGulf Oil LPGulf Oil International UK Ltd.The Swagelok Co.Indian Oil Corp. Ltd.RS Energy KK
LG Chem Ltd.Honeywell International, Inc.The Dow Chemical Co.Mitsui Chemicals, Inc.Shin-Etsu Chemical Co., Ltd.Asahi Kasei Corp.PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.JSR Corp.Saudi Arabian Oil Co.W. R. Grace & Co.-Conn.China National Petroleum Corp.Nippon Kayaku Co., Ltd.Tosoh Corp.Shell Oil Co.China University of Petroleum (East China)SABIC Global Technologies BVBASF Corp.China University of Petroleum (East China)Borealis AGTOKYO OHKA KOGYO CO., LTD.Sanyo Chemical Industries Ltd.Ocean's King Lighting Science & Technology Co., Ltd.China National Offshore Oil Corp.Ocean's King Lighting Science & Technology Co., Ltd.China National Offshore Oil Corp.Bank of China Ltd.Snamprogetti SpADongwoo Fine-Chem Co., Ltd.
PetroChina Co., Ltd.Standard Oil Co.Standard Oil Co.Snamprogetti SpAIdemitsu Petrochemical Co., Ltd.ConocoPhillipsPetróleo Brasileiro SASaipem SpAPGS Geophysical ASLarsen & Toubro Ltd.Indian Oil Corp. Ltd.Great Lakes Chemical Corp.Great Lakes Chemical Corp.Phillips 66Toyo Gosei Co., Ltd.Cray Valley SAMontecatini SpAMembrane Technology & Research, Inc.Jiaxipera Compressor Co., Ltd.Wintershall Holding GmbHKiOR, Inc.Lyten, Inc.McDermott International, Inc.Watt Fuel Cell Corp.Norris Industries, Inc.Nippon Oil Corp.Cenovus Energy, Inc.W.M. Barr & Co., Inc.ElectroMagnetic GeoServices ASAREG Synthetic Fuels LLC
PetroChina Co., Ltd.Idemitsu Kosan Co., Ltd.Exxon Mobil Corp.JX Nippon Oil & Energy Marine Service Corp.Eni SpASinopec Oilfield Service Corp.Petróleo Brasileiro SATotalEnergies SEInfineum International Ltd.Castrol Ltd.Gulf Oil LPIndian Oil Corp. Ltd.Phillips 66R.T. Vanderbilt Co., Inc.The Elco Corp.Klüber Lubrication München SE & Co. KGYamashin-Filter Corp.Konan Electric Co., Ltd.Emery Oleochemicals GmbHQuaker HoughtonKing Industries, Inc.Bharat Petroleum Corp. Ltd.Scholle IPN Corp.Biosynthetic Technologies, LLCEthox Chemicals LLCErgon, Inc.PT Pertamina (Persero)Anhui Zhongtian Petrochemical Co., Ltd.Anhui Zhongtian Petrochemical Co., Ltd.S-Oil Corp.