United States Drilling and Completion Research

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

Major Players: Baker Hughes Co, Calfrac Well Services Ltd, Halliburton Co, BASF SE, Schlumberger Ltd

Major Players: Baker Hughes Company, Schlumberger Limited, Weatherford International plc, NOV Inc., Halliburton Company

Major Players: BASF SE, CES Energy Solutions Corp, Solvay SA, Dow Chemical Company, Halliburton Company

Major Players: Hilong Holding Ltd , Hunting PLC , TMK Group , Tenaris SA, National-Oilwell Varco, Inc.

Major Players: Apache Corporation, Weatherford International PLC, Halliburton Company, Baker Hughes Company, Chevron Corporation

Major Players: Schlumberger Limited, Baker Hughes - A GE Company, Halliburton Company, National-Oilwell Varco Inc., CES Energy Solutions Corp

Major Players: Weatherford International plc, Halliburton Company, Baker Hughes Co, KLX Energy Services Holdings, Inc., Schlumberger NV

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

Major Players: Baker Hughes Company , Haliburton Company , Schlumberger Limited , Transocean Limited , Saipem SpA

Major Players: Baker Hughes Company, Schlumberger Limited, Weatherford International plc, NOV Inc., Halliburton Company

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

Major Players: Samsung Heavy Industries Co. Ltd, Sembcorp Marine Ltd, Seadrill Ltd, Keppel Corporation Limited, Transocean Ltd

Major Players: Schlumberger Limited, Halliburton Company, Weatherford International Plc, , Baker Hughes Company, GN Solids Control

Major Players: Schlumberger Limited, Halliburton Company, National Oilwell Varco Inc., Weatherford International PLC, Baker Hughes, a GE company