| SUBSIDIARIES OF QUANEX BUILDING PRODUCTS CORPORATION | LOCATION OF INCORPORATION | |||||||
| Amesbury Acquisition Holdings (2) Inc. | Delaware | |||||||
| Amesbury Group Inc. | Delaware | |||||||
| Amesbury Industries Inc. | Delaware | |||||||
| Amesbury Mexico S de RL de CV | Mexico | |||||||
| Amesburytruth Inc. | Canada | |||||||
| Ashland Hardware And Casting Systems De Mexico, S. de R.L. de C.V. | Mexico | |||||||
| Ashland Hardware Holdings, Inc. | Delaware | |||||||
| Ashland Hardware, LLC | Delaware | |||||||
| Avantek Machinery Ltd. | United Kingdom and Wales | |||||||
| Balance Systems Inc. | South Dakota | |||||||
| Barry G Lawrence Inc. | North Carolina | |||||||
| Bilco Holdco Limited | United Kingdom and Wales | |||||||
| Bilco Trading Ltd | United Kingdom and Wales | |||||||
| Bilcomex Commercializadora S de RL de CV | Mexico | |||||||
| Bilcomex S de RL de CV | Mexico | |||||||
| Edgetech (UK) LTD. | United Kingdom and Wales | |||||||
| Edgetech Europe GmbH | Germany | |||||||
| ERA Home Security Limited | United Kingdom and Wales | |||||||
| Flamstead Holdings Limited | United Kingdom and Wales | |||||||
| Giesse Group Argentina SA | Argentina | |||||||
| Giesse Group Hellas S.A. | Greece | |||||||
| Giesse Group Iberia S.A. | Spain | |||||||
| Giesse S.p.A. | Italy | |||||||
| HL Plastics Ltd. | United Kingdom and Wales | |||||||
| Liniar Ltd. | United Kingdom and Wales | |||||||
| Mikron Industries, Inc. | Washington | |||||||
| Mikron Washington LLC | Washington | |||||||
| Quanex Access Solution Limited | United Kingdom and Wales | |||||||
| Quanex Custom Components, Inc. | Minnesota | |||||||
| Quanex Custom Mixing LLC | Delaware | |||||||
| Quanex Do Brasil LTDA | Brazil | |||||||
| Quanex Homeshield LLC | Delaware | |||||||
| Quanex IG Systems, Inc. | Ohio | |||||||
| Quanex North American Cabinet Components, Inc. | Delaware | |||||||
| Quanex North American Fenestration, Inc. | Ohio | |||||||
| Schlegel Acquisition Holdings Limited | United Kingdom and Wales | |||||||
| Schlegel Limited | United Kingdom and Wales | |||||||
| Schlegel PTY Limited | Australia | |||||||
| Schlegel Giesse Middle East Building Materials Trading LLC | UAE - Dubai | |||||||
| The Bilco Company | Connecticut | |||||||
| The Bilco Holding Company | Connecticut | |||||||
| Truth Hardware Corporation | Delaware | |||||||
| TSA (Ningbo) Hardware co., Limited | China | |||||||