California
Links
Spirit Quest
http://www.angelfire.com/ca3/SpiritQuest
Los Angeles based amateur paranormal research group investigating local haunted places throughout California.
Ghost Dogg Paranormal Society
A Bay area based society, with its ongoing investigations and research of the paranormal.
Bay Area Paranormal Investigations
http://www.bayareaparanormal.com
Located in the San Francisco Bay Area dedicated to the study of ghosts and hauntings. Lists the services offers and resources.
The Spirit Realm
Offers detailed information about paranormal investigators and ghost hunters. Includes the human spirit, spirit helpers and ghost stories. Also details about the organization and joining the team. Located in Anderson, California.
Ghost Trackers
http://www.ghosttrackers.bravepages.com
Dedicated to the research, investigation and documentation of ghostly activity in Northern California using still, digital and video photography and EVP.
Southern California Paranormal Investigators
Details about this organization which is dedicated to the research and investigation of all things paranormal. Also offers training, employment and classes.
Orange County Paranormal Researchers
A professional, experienced paranormal research group in the Southern California area. Site includes investigations, member bios, paranormal links, EVPs, and pictures.
Ghost2Ghost.Org
Paranormal investigative group. Free membership to all. The group is based in the Southern California USA area. The group's main interest is the recording of EVPs.