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NEW YORK ( TheStreet) -- GulfMark Offshore (NYSE: GLF) hit a new 52-week high Monday as it is currently trading at $49.99, above its previous 52-week high of $49.95 with 34,621 shares traded as of 12:39 p.m. ET. Average volume has been 147,100 shares over the past 30 days. GulfMark has a market cap of $1.25 billion and is part of the basic materials sector and energy industry. Shares are up 15.8% year to date as of the close of trading on Friday. GulfMark Offshore, Inc. provides offshore marine services primarily to companies involved in the offshore exploration and production of oil and natural gas. The company has a P/E ratio of 30.4, above the average energy industry P/E ratio of 29.3 and above the S&P 500 P/E ratio of 17.7.