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

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

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

주요 선수 : Schlumberger Limited, Halliburton Company, Weatherford International Plc, Baker Hughes Company, GN Solids Control

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

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

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

주요 선수 : Arabian Drilling Company(ADC), Schlumberger Limited, Baker Hughes Company, Weatherford International PLC, Transocean Ltd., Saudi Aramco Oil Co.

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