Century Aluminum Co. is a producer of aluminum and operates aluminum reduction facilities, or smelters, in the United States and Iceland. The company is headquartered in Chicago, Illinois and currently employs 2,069 full-time employees. The firm operates through primary aluminum segment. The firm’s primary aluminum facilities produce standard grade primary aluminum products. As of December 31, 2016, its annual primary aluminum production capacity was approximately 1,012,000 tons per year (tpy). The firm’s principal subsidiaries are Century Kentucky, Inc. (CAKY), Nordural ehf (Nordural), Century Aluminum Sebree LLC (Century Sebree), Century Aluminum of South Carolina (CASC) and Century Aluminum of West Virginia, Inc. (Century of West Virginia). Its CAKY operates a primary aluminum reduction facility in Hawesville, Kentucky (Hawesville). Nordural Grundartangi ehf, a subsidiary of Nordural, operates a primary aluminum reduction facility in Grundartangi, Iceland (Grundartangi).