The H-2A program allows U.S. employers or U.S. agents who meet specific regulatory requirements to bring foreign nationals to the United States to fill temporary agricultural jobs. A U.S. employer,a U.S. agent as described in the regulations,or an association of U.S. agricultural producers named as a joint employer must file Form I-129, Petition for Nonimmigrant Worker, on a prospective worker’s behalf." http://www.uscis.gov/working-united-states/temporary-workers/h-2a-agricultural-workers/h-2a-temporary-agricultural-workers