ドリルカラートップ企業
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Workstrings International
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Hunting PLC
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National Oilwell Varco
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International Drilling Services Ltd. (IDS)
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American Oilfield Tools, Inc.
*免責事項:上位企業は順不同
ドリルカラー市場集中度
ドリルカラー会社一覧
Hunting PLC
China Vigor Drilling Oil Tools and Equipment Co. Ltd
International Drilling Services Ltd (IDS)
Schoeller-Bleckmann Oilfield Equipment AG
National Oilwell Varco Inc. (NOV)
Schlumberger Limited
Zhong Yuan Special Steel Co. Ltd
American Oilfield Tools Inc.
Workstrings International
Texas Steel Conversion Inc. (TSC)
Challenger International Inc.