주요 선수 : Valaris plc, 중국유전서비스유한회사(COSL), Transocean Ltd., Noble Corp., Seadrill Ltd.

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

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

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

주요 선수 : 슐럼버거 리미티드, 웨더포드 인터내셔널 유한회사, 베이커 휴즈 컴퍼니, 핼리버튼 컴퍼니, 페트로팩 유한회사

주요 선수 : Chevron Corporation, ExxonMobil Corporation, Royal Dutch Shell PLC, 나이지리아 국립 석유 공사, TotalEnergies SE

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

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

주요 선수 : Weatherford International Plc, Schlumberger Limited, Halliburton Company, Baker Hughes Company, China Oilfield Services Limited

주요 선수 : DeepOcean AS, DOF Subsea AS, Oceaneering International Inc., TechnipFMC PLC, Helix Energy Solutions Group Inc.

주요 선수 : DOF Subsea AS, Oceaneering International, Inc., Fugro NV, Saipem SpA, Subsea7 SA

주요 선수 : Schlumberger Limited, Halliburton Company, China Oilfield Services Limited, Weatherford International Plc., Baker Hughes Company

주요 선수 : 삼성중공업, Sembcorp Marine Ltd, Seadrill Ltd, Keppel Corporation Limited, Transocean Ltd

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

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

주요 선수 : TotalEnergies SE, Eni SpA, Exxon Mobil Corporation, 나이지리아 국영석유공사, Shell Plc

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

주요 선수 : Energy Quest Oilfield Ltd, FloSmart Energy Services Ltd, Schlumberger Ltd., Halliburton Company, Baker Hughes Company