• Integrity Windows and Doors

• J. Sussman, Inc.

• JELD-WEN, inc.

• JM Ferron

• Jack's Wholesale Windows and Design

• Jarrett, Inc.

• Jones Paint & Glass, Inc.

• Jordan Panel Systems Corp.

• Jurs Architectural Glass

• K M L Windows

• Kawneer Company of Canada

• Klober

• Kohltech Windows & Entrance Systems

• Kolbe & Kolbe Millwork Co.

• La Puerta Originals

• Leingang Century Siding and Window

• Loewen Windows

• Lynbrook Glass & Architectural Metals Corp.

• MI Home Products Inc.

• Mannix Architectural Window Products

• Marvin Windows and Doors

• Master Shield

• Megawood Industries

• Metal Building Supply Co.

• Metals USA Building Products Group Southeast, Inc.

• N & I Moroz Solution