알제리 석유 및 가스 연구

주요 선수 : Eni SpA, Sonatrach SpA, China National Petroleum Corporation, Equinor ASA, BP Plc

주요 선수 : China National Petroleum Corporation, Total SA, Tecnicas Reunidas SA, Sonatrach SA, Samsung Engineering Co., Ltd.

주요 선수 : Sonatrach SPA, Engie SA, Total SA, BP PLC, Petroceltic Ain Tsila Ltd.

주요 선수 : Schlumberger Limited, Weatherford International PLC, Baker Hughes Company, Halliburton Company, Transocean Ltd.

주요 선수 : Hunting PLC, National Oilwell Varco Inc.(NOV), Schlumberger Limited, China Vigor Drilling Oil Tools and Equipment Co. Ltd, International Drilling Services Ltd(IDS)

주요 선수 : Sonatrach SPA, Qalaa Holdings SAE, Total SA, Royal Dutch Shell Plc, Abu Dhabi National Energy Company, PJSC

주요 선수 : National-Oilwell Varco Inc, Nippon Steel Corporation, Tenaris SA, ArcelorMittal SA, Vallourec SA

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

주요 선수 : Baker Hughes Company, Schlumberger Limited, Weatherford International PLC, NOV Inc., Halliburton Company

주요 선수 : 미쓰비시 중공업, Atlas Copco AB, Denyo Co., Ltd, Kirloskar Oil Engines Ltd, Cummins Inc.

주요 선수 : ERC(Egyptian Refining Company), NNPC(Nigerian National Petroleum Corporation), KBR Inc., Midoil Refining & Petrochemicals Company Ltd., Engen Petroleum Ltd.

주요 선수 : OLEUM 프로세스 및 파이프라인 서비스, Arabian Pipes Company, Rezayat Group, Frontier Pipeline Services, Southern Engineering Co. Ltd.

주요 선수 : Puma Energy Holdings Pte Ltd​​, 나이지리아 국립 석유 공사(NNPC) ​, Vivo Energy Plc​​, TotalEnergies, Shell plc

주요 선수 : TotalEnergies SE, Eni SpA, Exxon Mobil Corporation, 나이지리아 국립 석유 공사, Shell PLC

주요 선수 : Schlumberger Limited, Weatherford International Plc, Baker Hughes Company, Halliburton Company, Petrofac Ltd.

주요 선수 : CNOOC Ltd., Petroleo Brasileiro SA(Petrobras), Shell Plc., Exxon Mobil Corp, TotalEnergies SE

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

주요 선수 : BP PLC, 하니웰 인터내셔널, Repsol SA, GS 칼텍스, Shell PLC