카타르 석유 및 가스 연구

주요 선수 : Qatargas Operating Company Limited, Qatar Petroleum, ConocoPhillips Company, Exxon Mobil Corporation, Total SA

주요 선수 : Qatargas Operating Company Limited, QatarEnergy, ConocoPhillips Company, Exxon Mobil Corporation, TotalEnergies SE

주요 선수 : Halliburton Company, Weatherford International PLC, Baker Hughes Co., 중동 유전 서비스, Schlumberger Limited

주요 선수 : Emirates National Oil Company , Chevron Corporation , Abu Dhabi National Oil Company , Royal Dutch Shell PLC , Shell Plc , TotalEnergies SE

주요 선수 : Emirates National Oil Company, Chevron Corporation, Abu Dhabi National Oil Company, TotalEnergies SE, Shell PLC

주요 선수 : Petroleum Development Oman, Abu Dhabi National Oil Company(ADNOC), BP Plc, Dubai Petroleum Co., SGS SA

주요 선수 : Rezayat 그룹, EEW 그룹, BP PLC, TD Williamson 그룹, Exxon Mobil

주요 선수 : Royal Dutch Shell PL, Total SA, Crowley Maritime Corporation, Nauticor GmbH & Co. KG, JGC HOLDINGS CORPORATION

주요 선수 : Schlumberger Ltd., Halliburton Company, Baker Hughes Company, Weatherford International plc, National-Oilwell Varco, Inc.

주요 선수 : Baker Hughes Company, Schlumberger Limited, National Oilwell Varco Inc., Shandong Kerui Holding Group Co. Ltd, Weatherford International Plc.

주요 선수 : Exxon Mobil Corporation, ConocoPhillips Company, Chevron Corporation, PetroChina Company Limited, Shell PLC

주요 선수 : Shell plc, Chevron Corporation, Exxon Mobil Corporation, China National Petroleum Corporation., BP PLC

주요 선수 : Baker Hughes Company, Haliburton Company, Schlumberger Limited, Transocean Limited, Saipem SpA

주요 선수 : Jindal SAW Ltd., Europipe GmbH, Tenaris SA, Essar Group, TMK 그룹

주요 선수 : Schlumberger Limited, Saipem SpA, Nabors Industries Ltd., Weatherford International PLC, Helmerich & Payne, Inc.

주요 선수 : Rockwool International A/S, Owens Corning, Saint Gobain, Kingspan Group, Armacell International SA

주요 선수 : Saipem SpA, L&T Hydrocarbon Engineering Limited, China Petroleum Pipeline Engineering Co., Ltd., McDermott International, Ltd., Allseas Group SA

주요 선수 : Schlumberger Limited, Halliburton Company, Core Laboratories NV, Thermo Fisher Scientific Inc., Intertek Group plc

주요 선수 : 스웨덴 바이오 연료 AB, TotalEnergies SE, Neste Oyj, SG Preston Company, Gevo Inc.