Founded in 1958 by Claude Harnois, at the age of 24, the main product offering was heating oil and clients were largely found in the residential and agricultural sectors.

Many years, partners and developments later, Harnois Groupe pétrolier serves the aviation fuel & lubricant sector, in addition to serving motorists and businesses to meet their needs in terms of gas & diesel fuel and Mobil™ automotive, industrial & commercial lubricants. HGP also offers its own line of specialty products under the H-Go brand, including Diesel Exhaust Fluid (DEF), antifreeze and windshield washer fluid.


Effectively provide high quality petroleum products and services to our clients through a pleasant purchasing experience.


Passionately strive for ingenuity.
Honour my commitments.
Act with authenticity.
Enjoy success through smart collaboration.


Be the supplier of choice in Quebec in all of our market segments, recognized for the quality of our products and our customer service approach.