| J P Morgan Chase |
601 Travis Street, Houston, TX
(713) 229-7088
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| Goldman Sachs & Co |
1000 Louisiana Street, Houston, TX
(713) 654-8400
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| Tudor Pickering Holt & Co Llc |
1111 Bagby Street, Houston, TX
(713) 333-2960
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| Merrill Lynch |
20 Greenway Plaza, Houston, TX
(713) 544-6222
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