Jiffy Lube, Houston

The highly trained technicians at Jiffy Lube tend to about 24 million customers each year with services such as the Jiffy Lube Signature Service Oil-Change, which helps promote the longevity of each vehicle. Staffers acknowledge that oil plays a crucial role in maximizing the lifespan of each car—it cools the motor and helps prevent moving parts from deteriorating. More than 20,000 technicians who have completed an extensive training program certified by the National Institute Automotive Service Excellence (ASE) service vehicles at Jiffy Lube.

In addition to performing oil changes, technicians perform preventative services such as air-filtration, among others, as well as state emissions inspections. Jiffy Lube’s quality pledge includes a commitment to transparency, which stipulates that they will inform car owners of any necessary services, complete a service only after it has been approved, and refuse to replace windshields with saran wrap.