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, 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 : Seadrill Ltd, Borr Drilling Ltd, Noble Corporation PLC, Maersk Drilling AS, Valaris PLC

주요 선수 : Schlumberger Ltd, Halliburton Company, Baker Hughes Company, Weatherford International plc, Trican Well Service Ltd

주요 선수 : Cuadrilla Resources Ltd., PJSC Rosneft Oil Company, PJSC Gazprom, PAO NOVATEK, IGas Energy Plc

주요 선수 : Cuadrilla Resources Ltd., PJSC Rosneft Oil Company, PJSC Gazprom, PAO NOVATEK, IGas Energy PLC