The U.S. Export Assistance Centers are under the Commercial Service which is the trade promotion arm of the International Trade Administration and helps U.S. small and medium sized business grow international sales by providing - World class market research - Trade events that promote your product or service to qualified buyers - Introductions to qualified buyers and distributors - Counseling and advocacy through every step of the export process. The U.S. Commercial Service’s worldwide network of offices and trade experts can help your company expand its international sales. The San Antonio U.S. Export Assistance Center covers 32 counties in south Texas including Corpus Christi, Victoria, Laredo and San Antonio.