Z-Ultimate Self Defense Studios Parker, located in Parker, Colorado, offers both private and group martial arts lessons in karate, kung fu, and jiu-jitsu for adults, teens, and kids. Using the Ultimate Kenpo Karate System, they provide a dynamic blend of martial arts with a strong base from Okinawan Kenpo. Z-Ultimate prides itself on its customizable programs to fit the age, skill, and physical abilities of its students. As part of the larger Z-Ultimate Self Defense Studios, LLC, it is one of the largest martial arts companies with locations across the Midwest and West Coast.