• AmeriLux International, LLC

• Gallina USA, LLC

• Plaskolite LLC

• ACI Distribution

• AFG Industries

• Advanced Glazings Limited

• Alberta Glass Company Inc.

• Alorisa Glassworks, Inc.

• Aluflam North America LLC

• Anemostat Products

• Arch Aluminum & Glass Co., Inc.

• Architectural Glass Art

• Architectural Glass Design

• Architectural Materials

• Arm-R-Lite Door Mfg. Co.

• Atwood / Spec-Temp Glass

• Beechcraft Products

• Beveled Glass Works

• British Conservatories

• CWD Windows and Doors

• CertainTeed Corporation

• Cesar Color

• Chautauqua Woods Corp.

• Coastal Glass Distributors

• Conrad Schmitt Studios

• Craftline Garage and Closet Systems, Inc.

• Cubco

• Decorative films, LLC.

• Dimensional Plastics Corp.

• Dlubak Corp.

• DuPont Elastomers L.L.C.

• EAGLE Window & Door, Inc.

• EMP'S Graphic Eye

• Elbex Corporation

• Elmont Glass Co Inc.

• Elysian Art Glass Co.

• FACET Construction Engineering Pvt Ltd

• Fiore Skylights Inc.

• Floral Glass & Mirror Inc.

• Frameworks Manufacturing

• Franklin Art Glass Studio

• GE Plastics

• Galaxy Organization

• General Products Co.

• Glass Illuminations

• Glasslam

• Glaze Industries

• Globe Amerada Glass Co.

• Globe Amerada Glass Company

• Grabill Windows & Doors

• Graham FRP Composites

• Great Panes Architectural Glass Art

• Growers Greenhouse Supplies Inc.

• Harmon, Inc.

• Heartland Glass,Inc.

• Hollander Glass East, Inc.

• Hollywood Art Glass

• Industrial Control Development

• Infinity Plastics, Inc.

• Inkan

• International Wood Products

• Interpane Glass Company

• JD's Glassworks

• JD's Glassworks, Inc.

• Jennifer's Glassworks

• Judson Studios

• Just Glass Studio

• Kolbe & Kolbe Millwork Co.

• Lanco Electric, Inc.

• Leucos USA

• Marquez Glasseries

• Milgard Windows

• Modulex, Inc.

• Monsanto Canada Inc.

• Muralo Co.

• NPC Colored Sealants

• Nashville Tempered Glass

• Nathan Allan Glass Studios Inc.

• Nathan Allan Glass Studios Inc

• North American Glass

• O & W Glass

• ODL

• Pecora Corp.

• Pilkington North America, Building Products

• Pinecrest

• Quality Glass Block

• RSL

• Ray-Bar Engineering Corporation

• Redwood Garden Bridges

• Saint Gobain/Euroglass Corp.

• Schott Corp.

• Schott Corporation

• Sevasa North America

• Shure Manufacturing Corporation

• Signature Door Co., Inc.

• Skyline Design

• Solutia Inc.

• Sona plastmoulds

• Southern Defense Technology, Inc.

• Southwall Technologies

• Stained Glass Overlay

• Starline Architectural Windows Ltd.

• Sumiglass

• Taylor Door Co.

• Technical Glass Products

• Therma-Tru Corp.

• Tischler Und Sohn USA Limited

• UltraGlas

• United Glass Corporation

• United Tempering Systems

• Vintage Log & Lumber

• Viracon

• Vision Products

• Wilmes Window Mfg

• World Wood Trading, Inc.

• Zeledyne