About us CHAZ Limited Collision Express serves customers in Anchorage, Fairbanks, Wasilla, and the surrounding areas. We specialize in auto body repair, painting and restoration since 1978. Recommended by Insurance Companies - Experience why we're Alaska's largest auto body shop. We are proud to have the following certifications and affiliations - Certified DuPont Technoloy, ASE, and I-Car Goldclass.