An interesting Blog created by Caroline Michelle. This posting at Intervention Watch does not specifically support or endorse any of these listed groups but is just referencing this list for others to explore.
Example of Listing:
Eve Lorgen, M.A.
Researcher, author, counselor for experiencers.
20 years of research and counseling with specialty in anomalous trauma. These types of experiences include but are not limited to alien abductions, ET contact, mind control (such as MK-ULTRA), cult abuse, spiritual warfare, near-death experiences, angelic interventions and anomalous relationship interferences, aka “love bites”.
OPUS (Organization for Paranormal Understanding and Support)
P.O. Box 320174
Los Gatos, CA 95032
The mission of OPUS is to develop a network of people dedicated to a better understanding of the overall nature of unusual/anomalous personal experiences and to support those who have them.