Atwood Oceanics, Inc. is a global offshore drilling contractor engaged in the drilling and completion of exploratory and developmental oil and gas wells. The company currently owns 13 mobile offshore drilling units and is constructing three ultra-deepwater drillships. The company was founded in 1968 and is headquartered in Houston, Texas. Atwood Oceanics, Inc. common stock is traded on the New York Stock Exchange under the symbol "ATW."