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Symbol
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OII on NYSE
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Entity
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Company
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CIK
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0000073756
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EIN
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952628227
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Business address
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5875 North Sam Houston Parkway West, Suite 400, 77086 Houston, TX
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Phone
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713-329-4500
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State of incorporation
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DE
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Fiscal year end
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December 31
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Category
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Large accelerated filer