北米ドリルパイプトップ企業
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Hilong Holding Ltd
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Hunting PLC
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TMK Group
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Tenaris SA
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National-Oilwell Varco, Inc.
*免責事項:上位企業は順不同
北米ドリルパイプ市場集中度
北米ドリルパイプ会社一覧
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Hunting PLC
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Hilong Group
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TMK Group
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National Oilwell Varco, Inc. (NOV)
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Tenaris S.A.
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Drill Pipe International LLC
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Workstrings International
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Texas Steel Conversion, Inc. (TSC)
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Tejas Tubular Products, Inc.
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DP Master Manufacturing (S) Pte Ltd
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Challenger International, Inc.