Paranormal Investigators in the United States

• Society: Paranormal: Ghosts: Haunted Places: North America: United States 

• Bay Area Paranormal Investigations (BAPI)  - Organization created to research, investigate, document, and analyze paranormal and anomalous events unexplained by conventional science.
• Central Ohio Paranormal Society  - Paranormal society dedicated to exploring central Ohio.
• Connecticut Paranormal Research Society  - Nonprofit organization established to help or provide assistance to people with paranormal disturbances.
• Crawford County Illinois Ghost Hunters Society  - Team of paranormal researchers and investigators specializing in cemeteries, old houses, and other haunted places in Crawford County and the surrounding areas.
• Dark Revelations  - Ghost Hunters in Texas aiming to share, experience and capture paranormal activity on video, audio and photos.
• Georgia Ghost Society  - Ghost research and investigation team that does not advocate or endorse the use of occult methods.
• Ghost Research Society  - Site provides an overview of the organization, newsletters, answers to frequently asked questions, feature articles, and related links.
• The Ghost Sleuth  - Official website of the Paranormal Investigators of Idaho. Presents ghost photos, advice, success stories, and related links.
• Ghost Trackers  - Professional paranormal research group serving the San Francisco Bay area, Santa Clara County, Northern California, and other surrounding western states.
• Haunted Hocking  - Official website of the Hocking Hills Investigation team. Presents ghost stories, photographs, and personal accounts of ghostly sightings.
• Idaho Paranormal Society  - Group of like-minded individuals who do volunteer work in researching and investigating paranormal phenomena.
• Idaho Spirit Seekers  - Provides free ghost investigations and public awareness activities on paranormal elements and incidents.
• International Ghost Hunters Society  - Official website providing ghost hunting resources, articles, information, and coverage of past hunts.
• Memphis-Mid South Ghost Hunters  - Paranormal investigation team serving Western Tennessee, Eastern Arkansas, and Northern Mississippi. Offers confidential investigation, ghost research, and ghost hunting equipment and training.
• National Ghost Hunters Society  - Features ghost photographs, user forums, and general ghost information.
• Paranormal and Ghost Society  - Overview of the organization with information on services and tours, investigation archives, photos, and related links.
• Paranormal Research Society of New England (PRSNE)  - Conducts investigations and evaluations on cases of haunting. Also provides paranormal advice, classes, and evidence gathering.
• PhenomQuest Paranormal Investigators  - Site presents paranormal articles, forums, images, news, and web rings. With polls and a frequently asked questions section.
• Skeleton Crew  - Paranormal research society's website presents photos, submitted stories, a calendar of events, and information on investigations and exorcisms.
• South Eastern Idaho Paranormal Society  - Provides FAQ and information on this paranormal society's investigative methods and protocols.
• Southern California Ghost Hunters  - Organization's homepage posts announcements, photos, contact details, and information on membership and events.
• Southern California Ghost Hunters Society (SCGHS)  - Group of paranormal investigators based in the San Gabriel Valley region of Southern California. Site presents pictures, videos, and information on investigations.
• Southern Ghosts  - Field investigators specializing in paranormal phenomena and manifestations. Also coordinates paranormal-themed events and weekend investigations of haunted locations.
• Spirited Ghost Hunting  - Group of Western Pennsylvania and Eastern Ohioan's searching for an explanation of paranormal happenings.