9331 South BroadwaySt. Louis, MO 63125
8AM - 5PM
Diesel Fuel Injection Service, Inc. was founded in June 1946 by L.M. “Red” Ottenad. The company has been headquartered at our current address in St. Louis, Missouri for over 70 years. We invite you to discover why our service is known worldwide and see that we are able to serve your needs with accredited, dependable service.