Springfield Walks Tours (Historic and Ghost)
A.G.H.O.S.T.
Crawford County Ghost Hunters
Evergreen Paranormal
Farrout Penndragon Investigations
Ghost Chasers International - Patti Starr, President
Ghost Hunters of Southern Illinois
Ghost Hunters of St. Louis Transcendental Society
Ghost Hunters Ohio Search Team
Ghost-Stalker; Richard Senate
Haunted Help
Haunted Places directory founded by Dennis William Hauck.
Haunted Fort Lauderdale Florida
Louisville Ghost Hunters Society
Michigan Ghost Busters
Michigan Paranormal Encounters
National Ghost Hunters Society
Paranormal & Ghost Society
Paranormal Organization for Research into Time After Life
Paranormal Society of Oregon
Phantom Finders
Rhode Island Paranormal
Shadowlands
Small Town Ghosts
Spellfyre's Ghosts
The Blair Witch Haunting
Virginia Ghosts
Washington State Ghost Society
New Lenox Paranormal Research Society
Paraseek - Paranormal Search Engine