24 Hr. Thermal Glass Insulation Ltd.
AGM Inc.
All Weather Windows
Allsco Building Supplies
American Glass
Andersen Corporation
Associated Materials Inc.
Atlantic Windows
AVS Windows Ltd.
A.W.G. Northern Distribution Ltd.
Bronco Industries Inc.
Can-Am Glass Products
Cardinal Glass Industries
Central Glass (Duncan) Ltd.
Central Valley Glass Ltd.
Clearview Industries Limited
Double Seal Insulating Glass Ltd.
Eco Glass
FMI Building Innovation LTD
Garibaldi Glass Industries
Gentek Building Products
Guardian Industries Corp.

High Performance Glazing Inc.
Huron Window Corporation
Insulite Glass Co. Inc.
Insul-lite Manufacturing (2008) Ltd.

Jeld-Wen Windows & Doors, United Window Division
Jeld-Wen Windows & Doors, Willmar Window Division
Jeld-Wen, Inc.
Kohltech International Ltd.
KP Building Products Ltd.
Laurier Glass Ltd.
Les Portes Decko Inc.
Marlboro Window & Door Mfg. Ltd.
Marvin Windows & Doors
Mathews Brothers
MI Windows and Doors, LLC
Milgard Manufacturing
Multiver Ltée
Newmar Window Manufacturing Inc.
Nordik Windows Inc.
Northerm Windows
Northwestern Glass Fab
ODL Inc.
Pella Corporation
Pilkington North America Inc.
Pollard Windows, Inc.
PPG now Vitro Architectural Glass
Prelco, Inc.
Prestige Window & Door Ltd.
ProTemp Glass Inc.
RegaLead (Canada) Ltd.
Robover Inc.
Saand London Inc.
Saand Ottawa Inc.
SAGE Electrochromics Inc.
Seymour Windows Ltd.
Shaw Glass Company Inc.
Standard Doors Inc.
T.C. Insulating Glass Inc.
Thermafix A.J. Inc.
Thermal Seal Insulating Glass Co. Inc.
Thompson I.G. LLC
Toronto Glass (Heat Seal) Ltd.
Trulite Glass and Aluminum Solutions
United Arab Aluminum Company
Van Isle Windows Ltd.
View, Inc.
Viracon Inc.
Vitrum Industries ltd.
Window City Industries Inc.

Allmetal, Inc.
Argon Filling Systems, Inc.
Bostik, Inc.
Bystronic Inc.
Dow Silicones
Eduard Kronenberg GmbH
FDR Design Inc.
Fenzi North America Inc.
GED Integrated Solutions
H.B. Fuller Canada Inc.
H.B. Fuller Inc.
IGK North America Inc.
Integrated Automation Systems LLC
Leading Edge Distribution
Momentive Performance Materials Inc.
PDS IG Holding LLC
Perfection Plastics
Quanex Building Products
Ramapo Sales & Marketing
Royal Adhesives & Sealants
RPM Rollformed Metal Products Ltd.
SilicaStar Industries, Inc.
Sika Corp.
Sparklike Ltd
Technoform Glass Insulation NA
Thermoseal Group Limited
VIG Technologies, LLC

Allana Buick & Bers, Inc.
BVDA Façade Engineering Ltd.
Chris Barry, Glass Consultant
exp Services Inc.
Federal Aviation Administration
Ferguson Corporation
Front, Inc.
Gordon H. Smith Corp.
IGMA Australia
Layton Consulting Ltd.
Morrison Hershfeld
RDH Building Science Inc.
Read Jones Christoffersen Ltd.
RPM Consulting, Inc.
SGB Services Ltd.
Simpson Gumpertz & Heger
Stern & Co. LLC
Steve Brown Machinery Solutions (SBMS)
Surface Design
Wiss, Janney, Elstner Associates Inc.
WSP Canada Inc.

Auditing and Inspection
CLEB Laboratory, Inc.
Intertek Testing Services NA Ltd.
National Certified Testing Laboratories, Inc.
National Renewable Energy Laboratory

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