American Ghost Society Troy Taylor's Ghosts of the Prairie website and home of the American Ghost Society. Tons and tons of useful and credible information, and a catalog of ghost books.
Ghost Research Society My friend Dale Kaczmarek's research organization. America's original ghost studies organization.
The Ghost Club A prestigious and historic social and investigative society established in 1862 (predating the SPR) that still actively conducts investigations in the UK. Past members include Charles Dickens, Sir Arthur Conan Doyle, Harry Price and Peter Underwood.
The Paranormal Network An informative website set up by Loyd Auerbach and the Office of Paranormal Investigations. Loyd is a real pro in the field.
ASSAP: Association for the Scientific Study of Anomalous Phenomena A well-established British scientific organization that, in my opinion, is the world leader in state-of-the-art ghost & poltergeist investigations.
FATE Magazine The world's oldest (1948 and still trekkin') paranormal magazine. Regularly covers ghostly material.
FORTEAN TIMES An excellent British magazine covering the world of the strange and paranormal with its own uniquely wicked attitude.
INFO: International Fortean Organization Dedicated to anomalous phenomena studies, holds an annual conference.
Society for Psychical Research The SPR is the "original" scientific paranormal research organization, based in London.
The Parapsychology Foundation In New York City, regularly schedules lectures and seminars. Worth your support.
Rhine Research Center: Institute for Parapsychology Evolved from the old Duke University Parapsychology Lab.
Blue Ridge Paranormal Western North Carolina-based investigative team led by Richard Liebeck (Randy's evil brother).
Joshua Warren Josh is an author and dedicated investigator of ghosts and all things paranormal, based in western North Carolina. He specializes in experimental research and has done some amazing work.
Psychical Research Foundation One of the classic American research organizations, closely associated with the late great Dr. William Roll. Specializing in poltergeist, PK and survival research, the PRF is active again after a temporary dormant period.
Organization for Paranormal Understanding and Support (OPUS) OPUS provides help and support to experiencers of paranormal activity (who may be confused, experiencing trauma, or who just want to understand what's been happening to them) by referring them to a carefully selected network of specialists and advisors. Good people doing good work.
The Windbridge Institute for Applied Research in Human Potential The Windbridge Institute, headed by Dr. Julie Beischel, conducts ongoing research into general parapsychology, survival after death, mediumistic communication and related subjects.
John Keel Official Website A site presenting the letters and archives of the late, great Fortean investigator and author John Keel (The Mothman Prophecies, Operation Trojan Horse). A fascinating view into the mind of this controversial icon of the paranormal.
Europaranormal An excellent site from Alan Murdie (of the Society for Psychical Research and The Ghost Club), exploring the paranormal from "different scientific and cultural perspectives." Includes overviews of historic cases, theoretical analysis, and pop culture reviews.