Cal-Maine Foods is engaged primarily in the production, grading, packing and sale of fresh shell eggs. The company sells the majority of its shell eggs in more than 25 states located in the southwestern, southeastern, Midwestern and mid-Atlantic regions of the United States. Its total flock is comprised of more than 19 million layers and 4 million pullets and breeders. The company markets shell eggs through an extensive distribution network to a diverse group of customers, including national and regional grocery store chains, club stores, food service distributors and egg product manufacturers. The company is also a major producer and marketer of value-added specialty shell eggs, which includes reduced cholesterol, cage-free and organic eggs. Cal-Maine Foods is headquartered in Jackson, Miss.