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PT. Petrosea Tbk
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Contract mining including overburden removal, coal, gold and minerals mining, and haulage. Open pit and hard rock mining and quarrying.
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2. |
Hammond and Company
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Specialists in deep hole drilling. Gun drills, gun reamers, speedfeed, ventec, speedbit and proten drills.
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4. |
Pacific Drilling Company
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Southern California limited access geotechnical drilling and sampling. Provides geotechnical and environmental engineering services, limited access drilling services.
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