Cristalerías de chile, known as cristalchile, just can't contain itself in the bottle-making business. the company dominates chile's glass container industry. its 200-plus domestic and foreign customers include laboratories and makers of wine, beer, nonalcoholic drinks, pharmaceuticals, and food products. customers include compañía cervecerías unidas, viña concha y toro, and viña san pedro, of which cristalerías controls. the company boasts a technical agreement with owens-illinois, as well as stakes in broadcasting businesses. cristalchile's primary stakeholder is electro metalúrgica (elecmetal) and affiliates. maría luisa vial, widow of cristalerías magnate ricardo claro, holds more than 45% of elecmetal.