Siderurgica Venezolana Sivensa SA (Sivensa) is a Venezuela-based company engaged in the production and marketing of metallurgical products for the construction and infrastructure industries. As of September 30, 2011, the Company held a 100% stake in Siderurgica del Turbio SA and a 68.54% stake in International Briquettes Holding (IBH), which consolidates companies engaged in the sale of various types of products for industrial sectors, including machinery, industrial parts...