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KSB SE & Co. KGaAKITZ Corp.The Swagelok Co.Pietro Fiorentini SpABray International, Inc.Goodwin PlcAVK Holding A/SAVK Holding A/SARI-Armaturen Albert Richter GmbH & Co. KGTeam, Inc.Watts Water Technologies, Inc.Musasino Co. Ltd.CEME SpAHansun (Shanghai) Marine Technology Co., Ltd.Aalberts integrated piping systems Americas, Inc.MOGAS Industries, Inc.Frese A/SPleiger Maschinenbau GmbH & Co. KGRuiji-Greatec Oil & Gas Projects Co. Ltd.Cyclotech Ltd.Safoco, Inc.Miyairi Valve Mfg. Co., Ltd.Rotork PlcHam-Let (Israel-Canada) Ltd.Ham-Let (Israel-Canada) Ltd.Nakakita Seisakusho Co., Ltd.PetrolValves SpABimba Manufacturing Co., Inc.Circle Seal Controls, Inc.Rubinetterie Ritmonio SRL
PetroChina 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.Conoco, Inc.