• SwissShade + Security, Inc.

• T.M. Cobb Co.

• Team Laminates Company

• The Maiman Company

• The Philadelphia Shutter Company

• Tischler Und Sohn USA Limited

• Titon Inc.

• Top Line Process Equipment Company

• Tradewood Windows and Doors Inc.

• Vent Vue Window Products

• WERU AG

• Wattage ITC Inc.

• Weather Shield Mfg.

• Western Concrete Products Co.

• Western Forms

• Windsor Windows

• Windsor Windows of Colorado

• Wojan Window and Door Corporation

• Woodgrain Millwork, Inc.

• Woodstone Co.

• Woodtech Builders Inc.

• Woodwindows.com

• Zeluck Incorporated