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SUEZ WTS USA, Inc.Nalco Energy Services LPSES Co., Ltd.Food Machinery Española SAFCM Co., Ltd.ChampionX LLCNaain, Inc.Blue Spark Energy, Inc.C-3 Int'l LLCDaewon Chemical Co., Ltd.Ever-Clear Environmental Eng. Corp.Weatherford Aerospace LLC
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.Croda International PlcHarima Chemicals Group, Inc.Ceca SALamberti SpADerrick Corp.Vallourec SAPQ Corp.M-I Drilling Fluids U.K. Ltd.Occidental Petroleum Corp.Elliott Co.Elkem Silicones France SASNikko Chemicals Co., Ltd.Oleon NVHammelmann GmbHAnadarko Petroleum Corp.Innovex Downhole Solutions, Inc.Apache 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.Wuxi Seamless Oil Pipe Co. Ltd.Scientific Drilling International, Inc.Hammelmann GmbHAnadarko Petroleum Corp.Intelliserv, Inc.Apache Corp.Shanghai Hilong Drill Pipe Co. Ltd.Gyrodata, Inc.Yantai Jereh Oilfield Services Group Co. Ltd.Netzsch Gertebau GmbHLeistritz AGDI Corp.Tianhe Oil Group Huifeng Petroleum Equipment Co. Ltd.Devon Energy Corp.voestalpine Tubulars GmbH & Co. KGEco-Tec Ltd.TAM International, Inc.Shanxi Fenglei Drilling Tools Co. Ltd.Stream-Flo Industries Ltd.Hilong Group of Companies Ltd.
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 GmbHMaersk Drilling A/SApache Corp.Gyrodata, Inc.Valaris PlcYantai Jereh Oilfield Services Group Co. Ltd.Beijing Liuhe Greatness Technology Co., Ltd.Netzsch Gertebau GmbHNexen Corp.Leistritz AGDI Corp.Motive Drilling Technologies, Inc.Devon Energy Corp.Eco-Tec Ltd.TAM International, Inc.
JSR Corp.Elkem ASAFumakilla Ltd.Showa Highpolymer Co. Ltd.Toho Chemical Industry Co., Ltd.Nippo Corp.OMNOVA Solutions, Inc.Research Frontiers, Inc.San Nopco Ltd.Celanese Emulsions GmbHSinopec Sichuan Vinylon WorksCOSMAX, Inc.Malvern Panalytical Ltd.THE NIPPON ROAD CO., LTD.Guangxi Tianyuan Biochemistry Co., Ltd.Guangxi Tianyuan Biochemistry Co., Ltd.Saati SpAAnhui Wanwei Updated High-Tech Material Industry Co., Ltd.Anhui Wanwei Updated High-Tech Material Industry Co., Ltd.Nichireki Co., Ltd.Multi-Chem Group LLCPoly Union Chemical Holding Group Co., Ltd.Chuo Rika Kogyo Corp.Chromavis SpASynthomer Deutschland GmbHErgon Asphalt & Emulsions, Inc.EssoThe Medicines Co.HANTA Machinery Co., Ltd.Smartfish AS
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.
Halliburton Energy Services, Inc.Southwest Petroleum UniversityClariant International AGHalliburton Co.ConocoPhillipsMarathon Oil Co.CNPC Bohai Drilling Engineering Co. Ltd.CNPC Bohai Drilling Engineering Co. Ltd.China Oilfield Services Ltd.BGP, Inc.CoorsTek, Inc.Ceca SAION Geophysical Corp.Verenium Corp.CARBO Ceramics, Inc.Elliott Co.Energy Recovery, Inc.Scientific Drilling International, Inc.Trican Well Service Ltd.U.S. Well Services LLCOasys Water, Inc.RPC, Inc.Apache Corp.Valaris PlcNetzsch Gertebau GmbHLeistritz AGSandbox Enterprises LLCDI Corp.Devon Energy Corp.Eco-Tec Ltd.
