Devon Energy Corporation, an S&P 500 constituent, is an independent oil and gas exploration and production company, mainly focused on the U.S. and Canada (about 88% of production). They also own many of the natural gas pipelines and treatment facilities in their production areas. Devon produces over 2 billion cubic feet of natural gas each day, about 3 percent of all the gas consumed in North America; natural gas being about 60% of the company’s production mix.