Certified Automotive Specialists Committed To Our Customers. Gene Morrill, along with business partner and wife Robin, guarantee the highest quality service possible. Our company has expanded to offer a full range of services and a staff that can answer all questions as well as solve any automotive problem. In 1978, Certified Automotive Specialists opened in Glendora and remains at its original location. Glendorians Gene & Robin Morrill, own and operate their auto repair shop along with a team of 13 employees-a true family company. We are proud of the quality work and dedication we bring to the repair of your automobile. We support Glendora, as well as surrounding cities, Azusa, Covina, La Verne and San Dimas. Our goal is to provide safe and reliable transportation for as many miles as possible. Certified Automotive Specialists is one of the largest full service automotive centers in Glendora. The staff at Certified Automotive Specialists is highly trained and undergoes constant updated training courses to keep up with today's complex and high tech vehicles. Our family owned company is committed to the environment. We recycle everything possible from our batteries to our soda cans in an effort to be a great environmental neighbor.