Association for Psychological Science (APS)
The APS mission is to 'promote, protect, and advance the interests of scientifically oriented psychology in research, application, teaching, and the improvement of human welfare.' The web site has job listings, conference announcements, graduate student services, and links to psychology departments. (previously the American Psychological Society)
Canadian Council of Professional Psychology Programs (CCPPP) 
An organization representing the university programs and psychology internship settings in Canada which train clinical psychologists, counseling psychologists, and clinical neuro-psychologists.
Ontario Psychological Association (OPA)
The Ontario Psychological Association (OPA) is the professional organization of psychologists working in the province. This voluntary association was established in 1947. It is 'committed to advancing psychology as an independent profession of the highest ethical standards.'
Psychological Research on the Net
Maintained by a professor in Hanover College's Psychology Department. Contains links to known experiments on the Internet that are psychologically related, organized by general topic area with the topic areas listed chronologically with the most recently added at the top.
"This web site is designed to assist researchers and students who want an easy way to perform random sampling or assign participants to experimental conditions."