Sierra Aluminum Company, a division of Samuel is a manufacturer of standard and custom aluminum extrusions located in Souther ... n California. We have 2 major manufacturing campuses located in the cities of Riverside and Fontana. Our major manufacturing capabilities include billet casting, extrusion, painting, anodizing, thermal improvements (both pour and de-bridge and insulating strut), fabrication (including CNC machining), and architectural services. Our products range from basic mill finished extrusions all the way to the most complex unitized curtain wall assemblies. Our aim is to exceed our customer requirements and to deliver unbeatable value read more