Cal-Maine Foods, Inc., together with its subsidiaries, engages in the production, grading, packaging, marketing, and distribution of shell eggs and egg products. The company offers specialty eggs, such as nutritionally enhanced, cage free, organic, free-range, pasture-raised, and brown eggs, as well as conventional eggs under the Egg-Land's Best, Land O' Lakes, Farmhouse Eggs, Sunups, Sunny Meadow, and 4-Grain brand names. It sells its products to various customers, including national and regional grocery store chains, club stores, independent supermarkets, foodservice distributors, and egg product consumers primarily in the southwestern, southeastern, mid-western, northeastern, and mid-Atlantic regions of the United States. The company was founded in 1957 and is headquartered in Ridgeland, Mississippi.