Cal-Maine Foods Inc produces and sells shell eggs. Its main market is the United States. The company's product portfolio contains nutritionally enhanced, cage-free, organic, and brown eggs. Cal-Maine Foods markets the shell eggs to a diverse group of customers, including grocery-store chains, club stores, and food service distributors. The company's brands are Egg-Land's, Land O' Lakes, Farmhouse, and 4-Grain. The Company has one reportable operating segment, which is the production, grading, packaging, marketing and distribution of shell eggs.