Overview Cal-Maine Foods, Inc., founded in 1957 and headquartered in Mississippi, is the largest producer and distributor of shell eggs in the United States. Our integrated operations include hatching chicks, growing and maintaining flocks of pullets, layers, and breeders, manufacturing feed, and producing, processing, packaging, and distributing shell eggs. We sell most of our shell eggs in the U.S.'s southwestern, southeastern, mid-western, and mid-Atlantic regions. Since becoming a publ