National Association of Industrial Technology
Tel: 888.491.8833
http://www.nait.org/
Select "Students" or "Accreditation" on the menu bar.

National Institute for Certification in Engineering Technologies
Phone: 888.476.4238
http://www.nicet.org/
Select "Certificants." Click on "Ask NICET/FAQs."

Institute of Industrial Engineers
Phone: 800.494.0460
Fax: 770.441.3295
http://www.iienet.org/