Sierra Aluminum Company is a full-service manufacturer of standard and custom aluminum extrusions. In addition to producing extrusions, it casts its own billet, paint, anodize, fabricate, cut to length, thermally break, label, stencil and barcode. Sierra offers more than 1,000 standard shapes in 6063 or 6061 alloys. It can extrude up to an eight-inch circle size, anodize up to 28 inches and paint up to 30 inches. Sierra offers a full range of fabrication processes, including precision cut to length and detailed CNC machining. Sierra certifies its extrusions to meet American Standard of Testing Materials specifications and distributes its products throughout the United States. Sierra is a privately-owned, Employee Stock Ownership/Option Plan company and is headquartered in Riverside, Calif.