Aegis     

http://www.aegis.com

Metal Framing, LLC

Mitek Industries, Inc.

http://www.mitekinc.com/core.asp

'ULTRA-SPAN' Truss Systems

Loadmaster Systems, Inc.

http://www.loadmaster.net

Non-Combustible Roof Deck Systems

Light Gauge Steel EngineersAssociation   

 http://www.lgsea.com

Engineering Trade Association

Dietrich Industries, Inc.    

 http://www.dietrichindustries.com

Metal Studs / Floor Joist

SimpsonStrong-Tie Company, Inc.

http://www.strongtie.com

Connection Systems

Underwriters Laboratories

http://www.ul.com

Independent Testing Laboratories

Steel Stud Manufacturers Association

http://www.ssma.com

Steel Framing Alliance

http://www.steelframingalliance.com