doors

• Combination Door Company
• Boyle and Chase
• Hager Companies
• Johnson Hardware
• Masonite
• ODL
• Simpson Door
• Specialty Glass
• Vancouver Door Company
• Woodgrain Millwork
• Krosswood Doors
• Timely
• Bommer
• Taymor

roofing

• Cedar Shake & Shingle Bureau
• GAF Materials
• IKO Roofing
• InterWrap (Titanium)
• Malarkey
• Tamko

lumber

• Canyon Lumber
• Forest Grove Lumber
• Gorman Bros.
• Haida Forest Products
• Idaho Forest Group
• Potlatch
• Simpson Timber
• California Redwood Company
• Sierra Pacific
• Timber Technologies

other woods

• Columbia Forest Products
• Roseburg Forest Products
• Tiger Deck
• Woodway Products

Composites

• KWP NatureTech (siding)
• Trex Company

Windows

• Atrium Windows & Doors
• Milgard Windows

other products

• Atlas
• Big Sky R-Control
• B.W. Creative Wood
• Cantrim
• Ferche Millwork
• Fitts Industries
• Flexeel
• Genstone
• Maine Ornamental Woodworks
• Mastermark Lattice
• Maze Nails
• Moulding and Millwork
• NextStone
• Norwesco
• KB Building Products
• Phillips Manufacturing Company
• Sashco
• Simpson Strong-Tie
• Swan Secure
• Owens Corning (Foamular)

Industry References

• Cedar Shake & Shingle Bureau
• California Redwood Association
• National Oak Flooring Manufacturer Association
• Western Wood Products Association
• Temperate Forest Association
• West Coast Lumber Inspection Bureau