 But despite the reassurances from Tyson and the political class, in December of last year, Tyson agreed to sell the facility to Cal Main Foods, the largest producer of shell eggs in the United States. And by March, Cal Main had announced that their focus in the community would be egg production and not meat. For local growers who had made substantial investments in their broiler-raising facilities, the move to egg production provides them with no additional market, so they filed suit.