
American Electric Power Company, Inc. (AEP), with a market cap of $54.3 billion, is a leading utility company in the U.S. Based in Columbus, Ohio, the company generates, transmits, and distributes electricity and natural gas across multiple states.
Companies valued at $10 billion or more are generally considered "large-cap" stocks and American Electric Power fits this criterion perfectly. AEP is renowned for owning the largest electricity transmission system in the U.S., including 765-kilovolt ultra-high voltage lines, and is one of the nation's largest electricity generators with nearly 38,000 megawatts of generating capacity.