完成装備と装備サービストップ企業
-
Schlumberger Limited
-
Halliburton Company
-
National Oilwell Varco Inc.
-
Weatherford International PLC
-
Baker Hughes, a GE company
*免責事項:上位企業は順不同
Schlumberger Limited
Halliburton Company
National Oilwell Varco Inc.
Weatherford International PLC
Baker Hughes, a GE company
*免責事項:上位企業は順不同