Northwest Ohio Paranormal Research Group
- Paranormal research group with live webcam feeds, photo gallery and investigation forms for ghost hunting.
- http://noprg.com/main.php

The Ghosts of Ohio
- Not-for-profit organization dedicated to investigating and documenting alleged hauntings in Ohio.
- http://www.ghostsofohio.org

Deadframe Paranormal Research Group
- Paranormal research and field investiagtions in and near Ohio. Audio, video and photographic documentation.
- http://www.deadframe.com

Haunted Cincinnati
- Cincinnati, Ohio paranormal research group. Also reviews haunted Halloween attractions.
- http://www.hauntedcincinnati.com

Ohio Ghost Hunters Association
- A dedicated group of individuals in search of answers for the forgotten mysteries of Ohio. Learn about ghost hunting. Over 5000 haunt listings for USA.
- http://powow.com/ghost

Northeast Ohio Ghost Research Team
- Dedicated to the research of proving the existence of ghosts in and around the Ohio area.
- http://www.ohio-ghost-researchers.com