Elysa: Distributor of floor tile, marble, saltillo tile, ceramic tile, and stone. In Spanish and in English, site includes information about the company and its products, including photos and contact information.
Manuel Canales S.C.: Customhouse brokers. Contact information, office location, and shipment tracking.
Piedras Negras Industrial Park: Includes information about the facility, contact information, and a map of the location.
Tour By Mexico - Coahuila: Piedras Negras: A brief informational page.