NEW YORK ( TheStreet) -- Shares of Oil States International (NYSE: OIS) were gapping up Friday morning with an open price 11.7% higher than Thursday's closing price. The stock closed at $73.81 Thursday and opened today's trading at $82.42. The average volume for Oil States International has been 710,000 shares per day over the past 30 days. Oil States International has a market cap of $3.76 billion and is part of the basic materials sector and energy industry. Shares are down 3.4% year to date as of the close of trading on Thursday. Oil States International, Inc., through its subsidiaries, provides specialty products and services to the oil and gas drilling and production companies worldwide. It operates in four segments: Accommodations, Offshore Products, Well Site Services, and Tubular Services. The company has a P/E ratio of 12.4, equal to the average energy industry P/E ratio and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Oil States International as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth, compelling growth in net income, notable return on equity and attractive valuation levels. We feel these strengths outweigh the fact that the company shows weak operating cash flow. You can view the full Oil States International Ratings Report. Get more investment ideas from our investment research center.