The American Automobile Association was the leading automotive service chain in the United States in 2020, with over 7,000 workshops spread across the country. It was followed closely by NAPA AutoCare, which recorded more than 6,000 service provider outlets.

An auto mechanic is a mechanic who services and repairs automobiles, sometimes specializing in one or more automobile brands or sometimes working with any brand. In fixing cars, their main role is to diagnose and repair the problem accurately and quickly.