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Dowler-Karn | St. Marys

1714 Perth County Rd. 163
St. Marys, Ontario N4X 1C4

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(519) 229-6300 or 1-800-463-3902


Monday: 8:00AM – 5:00PM
Tuesday: 8:00AM – 5:00PM
Wednesday: 8:00AM – 5:00PM
Thursday: 8:00AM – 5:00PM
Friday: 8:00AM – 5:00PM
Saturday: Closed

Products & Services

  • 24 Hr. Fuel Access Centre
  • Gasoline - Regular Unleaded
  • Dyed Diesel
  • Clear Diesel
  • Propane
  • Auto & Cylinder Propane Filling Station
  • Lubricants
  • DEF *
  • ESSO Diesel Efficient
  • Office

* available in jug, drum, and tote. A pump may be required for larger applications

Our Commitment to Your Fuel Needs Starts at the Front Counter.

You can always count on the staff at Dowler-Karn St.Marys to be knowledgeable and to greet you with a warm and friendly “hello.”

We’re proud to serve a large base of agriculture, residential, business, and industrial customers, providing the energy of propane bulk, auto, cylinder, EssoTM fuels, Esso Diesel EfficientTM, DEF, and MobilTM lubricants.

We are here to listen and offer a solution to your needs. In the busy day-to-day running of a household or large operation, you can feel confident your energy will be there when you need it.

Our 24-hour Fuel Access Centre is open to the public and offers Regular Unleaded, Diesel Dyed, Diesel Clear, and Propane. Our commitment to you is always to provide dependable service at competitive prices.