Altria Group, Inc., an American holding company, focuses on manufacturing and selling tobacco products, including cigarettes, cigars, and pipe tobacco. The company also holds an interest in a brewery. Founded in 1985 as Philip Morris Companies, Inc., Altria operates in the tobacco industry and is publicly traded on the NYSE under the ticker MO.

Altria has achieved significant market presence as a leading tobacco producer in the U.S. The company is a component of both the S&P 100 and S&P 500 indices, reflecting its substantial impact on the market. Its strategic investments and consistent performance have solidified its position in the industry.