Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link. All three major indices are trading up today with the Dow Jones Industrial Average ( ^DJI) trading up 27 points (0.2%) at 15,548 as of Wednesday, July 31, 2013, 12:50 PM ET. The NYSE advances/declines ratio sits at 1,364 issues advancing vs. 1,544 declining with 117 unchanged. The Energy industry currently sits up 0.5% versus the S&P 500, which is up 0.3%. Top gainers within the industry include YPF Sociedad Anonima ( YPF), up 5.1%, Phillips 66 ( PSX), up 4.3%, Hess ( HES), up 2.4%, Energy Transfer Equity ( ETE), up 2.3% and Canadian Natural Resources ( CNQ), up 1.8%. On the negative front, top decliners within the industry include Petroleo Brasileiro SA Petrobras ( PBR), down 1.1%, and Tenaris ( TS), down 1.1%. TheStreet would like to highlight 5 stocks pushing the industry higher today: 5. National Oilwell Varco ( NOV) is one of the companies pushing the Energy industry higher today. As of noon trading, National Oilwell Varco is up $0.76 (1.1%) to $70.16 on average volume. Thus far, 1.9 million shares of National Oilwell Varco exchanged hands as compared to its average daily volume of 3.5 million shares. The stock has ranged in price between $69.09-$70.65 after having opened the day at $69.66 as compared to the previous trading day's close of $69.40. National Oilwell Varco, Inc. provides equipment and components for oil and gas drilling and production; oilfield services; and supply chain integration services to the upstream oil and gas industry worldwide. National Oilwell Varco has a market cap of $30.4 billion and is part of the basic materials sector. Shares are up 1.5% year to date as of the close of trading on Tuesday. Currently there are 15 analysts that rate National Oilwell Varco a buy, no analysts rate it a sell, and 3 rate it a hold. TheStreet Ratings rates National Oilwell Varco as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, attractive valuation levels, good cash flow from operations and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full National Oilwell Varco Ratings Report now. 3x UPSIDE POTENTIAL: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12-months. Learn more.