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SUBSIDIARIES OF QUANEX BUILDING PRODUCTS CORPORATION

LOCATION OF INCORPORATION

Quanex North American Fenestration, Inc.

Ohio

Quanex North American Cabinet Components, Inc.

Delaware

Quanex Homeshield LLC

Delaware

Mikron Industries, Inc.

Washington

Mikron Washington LLC

Washington

Quanex IG Systems, Inc.

Ohio

Edgetech Europe GmbH

Germany

Edgetech (UK) LTD.

United Kingdom and Wales

Flamstead Holdings Limited

United Kingdom and Wales

Liniar Ltd.

United Kingdom and Wales

Woodcraft Industries, Inc.

Minnesota

Brentwood Acquisition Corp.

Minnesota

Primewood, Inc.

North Dakota