BlueLinx Corp.	Georgia-Pacific Corp.	International Paper Company
www.bluelinxco.com	www.gp.com	www.ipwood.com

MiTek	Alpine Engineering	Simpson Strong-Tie.	Weyerhaeuser Company
www.mii.com	www.alpeng.com	www.strongtie.com	www.weyerhaeuser.com

World Truss Council of America	American Institute of Building Design
www.sbcindustry.com	www.aibd.org
World Truss Council of North Carolina	Truss Plate Institute, Inc.
www.wtcnc.com	www.tpinst.org
National Association of Home Builders	Associated General Contractors of America
www.nahb.org	www.agc.org