Other competitors in the energy sector include: FMC Technologies (FTI), National-Oilwell Varco (NOV), and Dril-Quip (DRQ).
FORBES: Earnings Preview: Cameron International
National-Oilwell Varco (NOV) reports its fourth quarter earnings on Friday, February 1, 2013.
FORBES: Earnings Preview: National-Oilwell Varco
Berkshire portfolio shows two new positions Phillips 66 ( PSX) and National-Oilwell Varco, Inc ( NOV).
FORBES: Latest Picks From Warren Buffett: NOV, WFC, IBM, DVA, BK
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