American Psychological Association (APA) - Note: The APA has more than 50 separate divisions, which focus on every conceivable type of psychology. A tour of this web-site will provide you with a tour of the field.
The Association for Psychological Science is a nonprofit organization dedicated to the advancement of scientific psychology and its representation at the national level.
Society for Industrial & Organizational Psychology (SIOP)
American School Counselor Association
Counseling Division of APA
Society of Clinical Psychology (APA)
National Association of Social Workers
National Association of School Psychologists
Illinois Division of Professional Regulation (Licensing)
The American Psychology-Law Society