Cal-Maine Foods, Inc. is a producer and marketer of shell eggs in the United States. The Company operates through the segment of production, grading, packaging, marketing and distribution of shell eggs. It offers shell eggs, including specialty and non-specialty eggs. It classifies cage free, organic and brown eggs as specialty products. It classifies all other shell eggs as non-specialty products. The Company markets its specialty shell eggs under the brands, including Egg-Land's Best, Land O' Lakes, Farmhouse and 4-Grain. The Company, through Egg-Land's Best, Inc. (EB), produces, markets and distributes Egg-Land's Best and Land O' Lakes branded eggs. It markets cage-free eggs under its Farmhouse brand and distributes them throughout southeast and southwest regions of the United States. It markets organic, wholesome, cage-free, vegetarian and omega-3 eggs under its 4-Grain brand. It also produces, markets and distributes private label specialty shell eggs to customers.