Colorado

Colorado Paranormal Research and Investigations

ParaFPI - Frontrange Paranormal Investigations

Rocky Mountain Paranormal

Denver Paranormal Research Society(DPRS) (Serving the state of Colorado)

Arkansas Valley Ghost Hunters

Mesa County Association of Paranormal Scientific Studies(MAPSS Paranormal) (Serving Western Colorado)

Colorado Springs Paranormal Association(C.S.P.A.) (Covering the Colorado Springs Area along with Denver, Pueblo, Littleton, Aurora, Arvada areas)

CCPI Paranormal Investigations (Serving Western Colorado and Eastern Utah)

Colorado Researchers of Paranormal Science

Colorado Paranormal Research (Cover most of Colorado)

Western Slope Paranormal Research

Full Moon Explorations

Kansas City Paranormal Research Inc.(KCPR Inc.) (Covering Missouri, Kansas, Arkansas, and Colorado)

Scientific Paradigm (Covering the front range of Colorado and surrounding areas)