- Dagulf's Ghost Paranormal Investigations
 - International team of parapsychologists and paranormal investigators in the North and East Texas areas along with Winchester, U.K. - Lone Star Spirits
- Investigating and recording ghost tales and haunted houses in countless cities and small towns all over Texas. Also includes a listing of ghost town within the state.
- Texas Bigfoot Research Center
- Research group investigating Bigfoot sighting reports in Texas, New Mexico, Oklahoma, Arkansas, and Louisiana.
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