Rank: 36 (Previous rank: 30) Compare tool:Marathon Oil vs. Top 10 CEO: Clarence P. Cazalot Jr. Address: 5555 San Felipe Rd.
Houston, TX 77056 Phone: 713-629-6600 Website:www.marathon.com
Production delays and rising refinery costs beset the oil refiner, whose revenue remained static while profit declined 24% as a result of narrowing margins. In October, it completed a $6.9 billion acquisition of oil and gas explorer Western Oil Sands, with the intention of tapping into its oil reserves in Alberta. In January, Marathon announced it would review its portfolio with the intention of selling off underperforming and non-strategic assets.