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Grimstone Inc. Territory

Serving the Great Lakes region Grimstone Inc. performs investigations throughout the state of Michigan and into portions of Ohio, Illinois, and Indiana. However depending on the case and circumstances, we sometimes will travel beyond our normal territory for clients. If you are curious if Grimstone is willing to travel to your location, please feel free to email us. If we cannot provide services to you, we will be happy to recommend a paranormal investigator in your area.


Grimstone Inc. is centrally located in Ann Arbor. Our facility there hosts our variety of meetings, classes, and open seminars.We also have Chapters throughout Michigan.