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Dowler-Karn | St. Thomas

43841 Talbot Line, RR 3
St. Thomas, Ontario N5P 3S7

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(519) 631-3810 or 1-800-265-4342


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: 8:00AM – 12:00PM

Products & Services

Due to COVID and to protect our volunteers, we have suspended museum hours until further notice.

  • Head Office
  • 24 Hr. Fuel Access Centre
  • Gasoline - Regular Unleaded, Premium
  • Dyed Diesel
  • Clear Diesel
  • Propane
  • Auto & Cylinder Propane Filling Station
  • Memorabilia Collection Museum
  • DEF (Diesel Exhaust Fluid) Dispenser*
  • ESSO Diesel Efficient
  • Lubricants

*also available for order jug, drum, and tote.

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

You can always count on the staff at Dowler-Karn St.Thomas 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.