Sacia - Comércio e Indústria Automóvel, SA | Silencor - Indústrias Metálicas, Lda SACIA Group is a manufacturing company, with over 38 years of existence, dedicated to the development and production of solutions and products based on metal materials. We present an innovative vision in product design, production, and supply chain integration. We supply products, components, and solutions to some of the largest OEM and TIER 1 manufacturers of automobiles, thermodomestic, exhaust systems in the world.