Hilltop Tire Service Inc, we are conveniently located in Des Moines, IA. Our shop is staffed with expert technicians who provide quality repair and maintenance service. Call or email us to set up an appointment today. Hilltop Tire Service Inc, we are conveniently located in Des Moines, IA. Our shop is staffed with expert technicians who provide quality repair and maintenance service. Call or email us to set up an appointment today.