Fuelling your business
Work the land,
not your engine
At Dowler-Karn, the majority of our business is Agriculture, therefore, we understand farming. We want to partner with you to plan and implement energy solutions and delivery systems tailored to your operation.
Fuelling your business
For equipment that doesn’t take time off.
At Dowler-Karn we trust Mobil™ Lubricants to keep our customers processes and vehicles running smoothly.
Fuelling your business
If your business relies on fuel, you can rely on us.
Dowler-Karn has Energy Solutions for Commercial, Industrial, Manufacturing & Fleet Operations.
Fuelling communities
Pull up. Fuel up.
Dowler-Karn 24/7
Fuel Access Centre.
Our 24-Hour Self-Serve Fuel Access Centres offer a reliable and convenient way for customers to fill up at the pumps. Fast and convenient, No cash or attendant required.
Fuelling your business
If your business relies on propane, you can rely on us.
Dowler-Karn has Energy Solutions for Commercial, Industrial, Manufacturing & Fleet Operations.
Dowler-Karn is Southwestern Ontario’s trusted energy supplier.
Dowler-Karn has been fuelling communities since 1943. As a third-generation family business, we pair the latest technology with old-fashioned local service. We are proud to be an essential partner to all industries requiring energy. We listen to our customer’s needs and values while implementing premium service. We offer new digital fuel solutions, allowing our customers to efficiently manage energy products ranging from quality propane, Esso™ fuels, and Mobil™ lubricants. Our customer service is a benchmark, which is what sets us apart.
Headquartered in St. Thomas, Ontario, with over 180 dedicated employees across our eight branch offices and nine fuel centers, we support and supply products to over 18,000 residential, agricultural, commercial and industrial customers. We value our customers, and in return, our customers have come to appreciate us for our honesty, integrity, and commitment to the community.
Dowler-Karn has been a quality propane supplier with exceptional service to our customers since 1979.
As Southern Ontario’s #1 propane supplier, we will help re-fill for your backyard barbeque, or an agricultural, industrial, or home energy solution, we are able to meet all of your needs.
Fuelling Your Home
Comfort you can count on.
Propane is among the best fuel choices for your home – it’s versatile, has a low environmental impact, and is competitively priced.
Fuelling Your Business
If your business relies on propane, you can rely on us.
From top to bottom your business needs to be operationally efficient, so you need a dependable fuel partner to help you save time and increase productivity.
Fuelling Your Business
Industry Solutions
Excellent supplier relationships lead to positive outcomes for businesses. Let Dowler-Karn bring our expertise to the table as a dependable and knowledgeable energy partner. We are committed to developing strong and successful relationships, just as we have done with a wide variety of industry-leading businesses across the region. We work with a variety of manufacturing facilities - as well as commercial and industrial operations.
Agriculture & Farming
We know the ins and outs of farming. Let us work with you to plan and implement energy solutions and delivery systems tailored to your operation.
A Fuel Supplier For Auto
Propane is a low-emission fuel, offering comparable engine performance, and is less expensive than gasoline. Switching your full fleet to propane-fueled vehicles is a sound investment that will show a positive return.
Commercial & Industrial Fuel Supplier
Fuelling your business is a top priority. The energy demands of a large-scale fleet operation or a manufacturing centre are different from the average business.
Federal Carbon Tax Exemption for Heating Oil
On October 26, 2023, the Prime Minister of Canada announced that the government is granting a tempor...
Dowler-Karn Donates $30,000 to Southwestern Ontario Food Banks
Dowler-Karn, A Division of McDougall Energy Inc., is giving back this holiday season to the communit...
Collaboration is a Customer Service Success Cornerstone
On October 4, 2022 we hosted a great visit and tour at Dowler-Karn’s main Lubricants Distribution ...
Fuels Management is Prominent on the Minds of Many
Dowler-Karn has always strived to provide value by not only delivering industry leading products and...
A Training Spotlight
In a world that is always evolving, with technology constantly becoming more and more important to o...
Show ‘N’ Shine in Support of Cancer Research
Providing the right equipment for the job is critical in promoting safe and efficient deliveries. Do...
Around the Community
Canada’s National Fire Prevention Week took place October 9th to the 15th 2022 with events and ope...
Supporting Vibrant and Active Communities
There was considerable excitement in communities across the region when we finally saw the loosening...
Heating Season Is Here
We all know friends or family members who wait as long as possible before adjusting their thermostat...
Helping our Communities Thrive
The pandemic created challenges for many organizations, but for charities and community organization...
Challenging Times Require Swift Action and Commitment to Support Customers
As an essential service, we have continued to provide timely and safe delivery of products and servi...
Preparation and Training are Keys to Success
Dowler-Karn has always strived to provide support to our first responders, be it through onsite trai...
