Ghost Hunter Extraordinaire

Ohio Ghost Hunters

The Will County Ghost Hunters Society

PKE Investigations

North Florida Paranormal Research, Inc. / Ghost Tracker Investigations

Florida Paranormal Research Foundation

Southern Ghosts

Florida Ghost Chapter

International Ghost Hunters Society

The Shadowlands: Ghosts and Hauntings

PARAseek

Ghost Study

The Ghost Chronicles

Ghost! Magazine

Historic Ghost Watch

GHG Ghost Hunters