EX-21 10 dex21.htm SUBSIDIARIES OF THE REGISTRANT

Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

(As of December 31, 2010)

Name |  | State or Country of Organization
Alcoa Domestic LLC |  | Delaware
Alcoa Securities Corporation |  | Delaware
Alcoa Materials Management, Inc. |  | Delaware
Howmet International Inc. |  | Delaware
Howmet Holdings Corporation |  | Delaware
Howmet Corporation |  | Delaware
Howmet Castings & Services, Inc. |  | Delaware
Alcoa International Holdings Company |  | Delaware
Alcoa Australian Holdings Pty. Ltd. |  | Australia
Alcoa of Australia Limited 1 |  | Australia
Alcoa of Australia Rolled Products Pty. Ltd. |  | Australia
Alcoa (China) Investment Company Ltd. |  | China
Alcoa Inter-America, Inc. |  | Delaware
Alcoa International (Asia) Limited |  | Hong Kong
Alcoa Luxembourg S.à r.l. |  | Luxembourg
Alcoa à Íslandi ehf |  | Iceland
Alcoa Fjarðaál sf |  | Iceland
Alcoa Europe S.à r.l. |  | Switzerland
Alcoa Nederland B.V. |  | Netherlands
Alcoa Global Treasury Services S.à r.l. |  | Luxembourg
Alcoa Inversiones España S.L. |  | Spain
Alcoa Alumínio S.A. |  | Brazil
Alcoa World Alumina Brasil Ltda.1 |  | Brazil
Estreito Energia S.A. |  | Brazil
Alcoa Holding GmbH |  | Germany
Alcoa Inespal, S.A. |  | Spain
Alúmina Española, S.A.1 |  | Spain
Alumínio Español, S.A. |  | Spain
Alcoa Inversiones Internacionales S.L. |  | Spain
Alcoa-Köfém Kft |  | Hungary
Alcoa Rus Investment Holdings LLC |  | Russia
ZAO Alcoa Metallurg Rus |  | Russia
ZAO Alcoa SMZ |  | Russia
Alcoa Servizi S.r.L. |  | Italy
Alcoa Trasformazioni S.r.L. |  | Italy
Alcoa Transformacion de Productos, S.L. |  | Spain
Howmet SAS |  | France
Norsk Alcoa Holdings AS |  | Norway
Norsk Alcoa AS |  | Norway
ACC-Norway, LLC |  | Michigan
Alcoa Norway ANS |  | Norway
Alcoa UK Holdings Limited |  | United Kingdom
Alcoa Manufacturing (G.B.) Limited |  | United Kingdom
Alcoa Power Generating Inc.2 |  | Tennessee

Name |  | State or Country of Organization
Alcoa World Alumina LLC 1,3 |  | Delaware
AAC Holdings Company 1 |  | Delaware
Alcoa Minerals of Jamaica, L.L.C.1 |  | Delaware
Suriname Aluminum Company, L.L.C.1 |  | Delaware
Alumax Inc. |  | Delaware
Alumax Mill Products, Inc. |  | Delaware
Aluminerie Lauralco, Inc. |  | Delaware
Alcoa-Lauralco Holdings Company |  | Nova Scotia
Alcoa-Lauralco Management Company |  | Nova Scotia
Alcoa Wolinbec Company |  | Nova Scotia
Laqmar Québec G.P. |  | Québec
Alcoa-Aluminerie de Deschambault L.P. |  | Québec
Alcoa Canada-Foreign Investment Company |  | Nova Scotia
Luxcoa LLC |  | Delaware
Kawneer Company, Inc. |  | Delaware
Kawneer Germany, Inc. |  | Delaware
Alcoa GmbH |  | Germany
Cordant Technologies Holding Company |  | Delaware
Alcoa Global Fasteners, Inc. |  | Delaware
Huck International, Inc. |  | Delaware
Reynolds Metals Company |  | Delaware
Reynolds Bécancour, Inc. |  | Delaware
RB Sales Company, Limited |  | Delaware
Reynolds International, Inc. |  | Delaware
RMCC Company |  | Delaware
Alcoa Canada Ltd. |  | Québec
Alcoa Ltd. |  | Québec
RMC Delaware, Inc. |  | Delaware

The names of particular subsidiaries have been omitted because, considered in the aggregate as a single subsidiary, they would not constitute, as of the end of the year covered by this report, a “significant subsidiary” as that term is defined in Regulation S-X under the Securities Exchange Act of 1934.

1 | Owned directly or indirectly 60% by the registrant and 40% by Alumina Limited.

2 | Registered to do business in Tennessee under the names Tapoco and APG Trading, in Indiana under the name of AGC, in North Carolina under the names of Yadkin and Tapoco, in New York under the name of Long Sault and in Washington under the name of Colockum.

3 | Registered to do business in Alabama, Arkansas, California, Florida, Georgia, Louisiana, North Carolina, Pennsylvania and Texas under the name of Alcoa World Chemicals.