American Foundry Society - afsinc.org

Steel Founders Society of America – sfsa.org

ValveMagazine – valvemagazine.com

Valve World - valve-world.net

Assistdocs.com

ASTM International – astm.org

ASME (American Society of Mechanical Engineers) – asme.org

Modern Casting (magazine) – moderncasting.com

Foundry Management & Technology (Magazine) – foundrymag.com

NACE International – nace.org

Haynes International – haynesintl.com

Special Metals Corp. – specialmetals.com