Geronimo Experimental Aircraft is a company founded by Greg and Crystal Hobbs, specializing in building airplanes since 2004. Greg Hobbs, a private pilot since the 1970s, leads aircraft construction, demos for customers, and testing of new planes. Crystal Hobbs manages office tasks and assists in aircraft building. The company collaborates with Jack Norris's AZ Aeroservices to expand exhibitor presence at events and offers a range of aircraft and avionics equipment dealerships. Geronimo Experimental Aircraft provides assistance in customer aircraft and avionics builds, including well-known brands like Garmin, Trig, and Dynon.