SO vs MO Comparison

Southern is one of the largest utilities in the US. The company serves 9 million customers with vertically integrated electric utilities in three states and natural gas distribution utilities in four states. It owns 46 gigawatts of rate-regulated generating capacity, primarily for serving customers in Georgia, Alabama, and Mississippi. Subsidiary Southern Power owns 13 gigawatts of natural gas generation and renewable energy across the US and sells the electricity primarily under long-term contracts.

Altria comprises Philip Morris USA, U.S. Smokeless Tobacco, John Middleton, Horizon Innovations, and Helix Innovations. Through its tobacco subsidiaries, Altria maintains the leading position in cigarettes and smokeless tobacco in the United States and the number-two spot in machine-made cigars. The company's Marlboro brand is the leading cigarette brand in the US with 40% share in 2025. Beyond its core business, it holds an 8% interest in the world's largest brewer, Anheuser-Busch InBev, and a 41% stake in cannabis manufacturer Cronos. In reduced-risk products, it acquired vaping company Njoy Holdings in 2023, operates a joint venture with Japan Tobacco in the heated tobacco category for the US, and sells the On brand in nicotine pouches.