SMITHFIELD, Va. - Smithfield Packing Co. is entering the nearly $1 billion refrigerated entree category, bringing healthy, high-quality products to the growing Heat & Serve category and implementing the first steps of an aggressive branding strategy. The four fully cooked, refrigerated Smithfield Lean Generation Entrees include two pork and two beef items—the beef entrees signaling another first for the world's largest vertically integrated pork processor.