Association for Humanistic Psychology
http://www.ahpweb.org/
An international non-profit association of people committed to exploring and furthering the evolution of the human spirit.

Association for Transpersonal Psychology
http://www.atpweb.org/
Combines insights from modern psychology with those drawn from traditional spiritual practices, both Eastern and Western.

Center for Spirituality and Psychotherapy
http://www.psychospiritualtherapy.org/index.html
Located in New York City, offers conferences, training programs, workshops, and courses on spirituality and psychotherapy for professionals and the public.

Center for Psychological & Spiritual Health 
http://www.cpsh.org/
Information, referrals, and support for individuals experiencing difficulty with their psychospiritual growth, in addition to consulting, counseling, education, and training services.

Actualizations
http://www.actualizations.com
Provides resources, promotes personal growth and individuation, supports the actualization of full human potential.  

Charles T. Tart Homepage
http://www.paradigm-sys.com/cttart/
Resources and workshops on parapsychology, transpersonal psychology, consciousness.