American Registry of Radiologic Technologists (ARRT)
Phone: 651.687.0048
http://www.arrt.org
Click "Site Map" at the bottom of the screen. Scroll down and under "Certification," click on "What is it?"

Joint Review Committee on Education in Radiologic Technology (JRCERT)
Phone: 312.704.5300
Fax: 312.704.5304
E-mail: mail@jrcert.org
http://www.jrcert.org
On the left side of the screen, click on "Accredited Programs."