• Jurs Architectural Glass

• Just Glass Studio

• Kolbe & Kolbe Millwork Co.

• Laminated Glass Corp.

• Leucos USA

• Maintenance-Free Outdoor Solutions, Inc.

• McKinney Drilling Company

• Midland Glass

• Milgard Windows

• Monsanto Canada Inc.

• Nashville Tempered Glass

• Nathan Allan Glass Studios Inc.

• North American Glass

• Northwestern Industries

• O & W Glass

• PPG Canada Inc.

• PPG Industries, Inc.

• Pacific Bulletproof Co.

• Palace Of Glass Inc.

• Paragon Architectural Products, LLC

• Pilkington North America, Building Products

• Pinecrest

• Pittsburgh Corning Corp.

• Precision Glass Bending Corporation

• Prelco Inc.

• Protective Armored Systems