American Welding Society (AWS)

ASM International

The Aluminum Association

Aluminium Corporation of America (ALCOA)

Metal Suppliers Online

MatWeb, Your Source for Materials Information   (large material database)

International Magnesium Association

Nickel Development Institute

International Tin Research Institute

International Titanium Association

AISI (American Iron and Steel Institute)

American Institute of Steel Construction

American Electroplaters & Surface Finishers Society

American Ceramics Society

American Gear Manufacturers Association

American National Standards Institute

American Petroleum Institute (API)

GardnerWeb -- Metalworking and Finishing Publisher 

Drexel University's Center for the Plasma Processing of Materials

American Society of Mechanical Engineers (ASME)

ASTM (American Society for Testing and Materials)

ASNT (American Society for Nondestructive Testing)

Canadian Society for Nondestructive Testing   

Welding Engineering Consulting

GE Plastics Web Site

DuPont Dow Elastomers Home Page

Engineering Information, Inc

The Engineering Technology Site

Lots of Steel Related Links

Specialty Steel & Forge

Steel Manufacturers Association

Metallurgical Consultants

TAFA Incorporated

The Edison Welding Institute

TWI

American Water Works Association

The Copper Page

American Galvanizers Association

Ductile Iron Pipe Research Assoc.

Electrochemical Society Home Page

Forging Industry Association

International Standards Organization (ISO)

Metal Powder Industries Federation

Institute for Metal Finishing and Surface Engineering

NACE (National Association of Corrosion Engineers)

Steel Structures Painting Council

Steel Tank Institute

SteelWorks - Steel Links  (lots of steel links)

TAPPI (Technical Association of thr Pulp and Paper Industry)  

The Materials Research Society (MRS)

The Minerals, Metals & Materials Society (TMS)

AMM Online - American Metal Market

National Petroleum Refiners Association

National Paint & Coatings Association

National Fire Prevention Association

Society of Automotive Engineers

Society of Petroleum Engineers

Society of Plastics Engineers

Society of Tribologists and Lubrication Engineers Home Page

QC Inspection Services