American Foundrymen's Society
505 State Street
Des Planes, IL 60016-8399
Tel: 800-537-4237
Fax: 847-824-7848                                                                                                              www.afsinc.org

American Welding Society
550 N.W. LeJenne Road
Miami, FL 33126
Phone: 1-800-439-9353                                                                         www.aws.org