1 KAISER ALUMINUM & CHEMICAL CORPORATION AND SUBSIDIARY COMPANIES - -------------------------------------------------------------------------------- Exhibit 21 SUBSIDIARIES Listed below are the principal subsidiaries of Kaiser Aluminum & Chemical Corporation, the jurisdiction of their incorporation or organization, and the names under which such subsidiaries do business. Certain subsidiaries are omitted which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Place of Incorporation Name or Organization ---- --------------- Alpart Jamaica Inc. ........................................................... Delaware Alumina Partners of Jamaica (partnership)...................................... Delaware Anglesey Aluminium Limited..................................................... United Kingdom Kaiser Alumina Australia Corporation........................................... Delaware Kaiser Aluminium International, Inc............................................ Delaware Kaiser Aluminum & Chemical of Canada Limited................................... Ontario Kaiser Bauxite Company......................................................... Nevada Kaiser Bellwood Corporation.................................................... Delaware Kaiser Finance Corporation .................................................... Delaware Kaiser Jamaica Bauxite Company (partnership)................................... Jamaica Kaiser Jamaica Corporation..................................................... Delaware Queensland Alumina Limited..................................................... Queensland Volta Aluminium Company Limited................................................ Ghana 2 KAISER ALUMINUM & CHEMICAL CORPORATION AND SUBSIDIARY COMPANIES - -------------------------------------------------------------------------------- Principal California Domestic Laguna Niguel Operations Administrative Offices and Los Angeles (City of Commerce) Administrative Engineered Products Offices Oxnard (Partial List) Engineered Products Pleasanton R&D at the Center for Technology, Administrative Offices Louisiana Baton Rouge Alumina Business Unit Offices Gramercy Alumina Michigan Detroit (Southfield) Automotive Product Development and Sales Ohio Newark Engineered Products Oklahoma Tulsa Engineered Products South Carolina Greenwood Engineered Products Greenwood Engineered Products Machine Shop Tennessee Jackson Engineered Products Texas Houston Kaiser Aluminum Corporation Headquarters Sherman Engineered Products Virginia Richmond Engineered Products Washington Mead Primary Aluminum, Northwest Engineering Center Richland Engineered Products Tacoma Primary Aluminum Trentwood Flat-Rolled Products - -------------------------------------------------------------------------------- Principal Australia Worldwide Queensland Alumina Limited (28.3%) Operations Alumina (Partial List) Canada Kaiser Aluminum & Chemical of Canada Limited (100%) Engineered Products Ghana Volta Aluminium Company Limited (90%) Primary Aluminum Jamaica Alumina Partners of Jamaica (65%) Bauxite, Alumina Kaiser Jamaica Bauxite Company (49%) Bauxite Wales, United Kingdom Anglesey Aluminium Limited (49%) Primary Aluminum