www.modernmetals.com                    www.metalcenternews.com

Modern Metals Magazine                     Metal Center News

www.tpatube.org                                  www.chemengonline.com

Tube & Pipe Journal                             Chemical Engineering

www.tappi.org                                      www.steel.org

Tech. Assoc.Pulp & Paper Inst.            Amer. Iron & Steel  Inst.

www.stainless-steel-world.net           www.pulpandpaperonline.com

Stainless Steel World Magazine          Project & General Information

www.awwa.org                                     www.tubenet.org

Amer. Water Works Assoc.                  Tube & Pipe Industry Site

www.nsf.org                                         www.tripaconline.com

National Sanitary Foundation              Water Support Products