北米掘削トップ企業
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Schlumberger Limited
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Baker Hughes Company
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Chevron Corporation
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ConocoPhillips
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Halliburton Company
*免責事項:上位企業は順不同
北米掘削市場集中度
北米掘削会社一覧
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General Electric Company
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Siemens AG
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Eaton Corporation AG
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Honeywell International Inc.
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Toshiba Corp.
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Schneider Electric SE