Dallas, Texas-based Atmos Energy Corporation (ATO) distributes natural gas. With a market cap of $30.9 billion,  the company provides natural gas marketing and procurement services to large customers, as well as manages storage and pipeline assets. Companies worth $10 billion or more are generally described as “large-cap stocks,” and ATO perfectly fits that description, with its market cap exceeding this mark, underscoring its size, influence, and dominance within the regulated gas utilities industry. ATO ...