If you need more information about our company, products, or services our contact information is listed below. Office Location990 NE 44th Avenue Des Moines, IA 50313 Phone Number515-244-4259 Fax Number515-244-9265 Send a MessagePRODIESEL@msn.com Hours of OperationMonday – Friday: 8:00am – 6:00pm Saturday: By appointment. Sunday: Closed Located just south of I-80 and I-35 on 44th Ave.