Richmond, Virginia-based Dominion Energy, Inc. (D) produces and distributes energy products. Valued at $51.2 billion by market cap, the company offers natural gas and electric energy transmission, gathering, and storage solutions. The company provides electricity and natural gas to 7.5 million customers in 18 states. Companies worth$10 billion or more are generally described as “large-cap stocks.” D effortlessly fits that bill, with its market cap exceeding this mark, underscoring its size, influence, an ...