Xtreme One Entertainment, Inc., established in 1995 and headquartered in Grand Rapids, Michigan, primarily operates within the live sports and event marketing sectors. A significant part of its operations involves the promotion and organization of mixed martial arts (MMA) competitions, notably under the Xtreme Fighting Championships (XFC) brand. Furthermore, the company handles the retail and promotion of official merchandise tied to its various extreme sports and entertainment ventures. This organization, which adopted its current identity in December 2023, was previously known as CannaGrow Holdings, Inc.