The Southern United States Trade Association (SUSTA) is a non-profit organization founded in 1973, focused on facilitating trade between small to medium-sized companies in the southern United States and international markets. SUSTA collaborates with the U.S. Departments of Agriculture and various state agricultural departments to promote the export of southern U.S. food and agricultural products. The organization provides essential resources such as trade missions, trade shows, cost-sharing programs, and educational resources to help businesses expand their global reach.