Our Brands
Powered by Klass Energy one of Irelands leading energy suppliers and committed to delivering exceptional personal service locally through our network of local trading brands. Our local team of drivers and office staff is fully trained and motivated to look after all your fuel requirements in a timely and professional manner.











Who We Deliver To
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Testimonials

We have used Klass oil for the last number of years and have found the whole team very good, from the office staff dealing with orders & queries right down to the drivers, they are all polite, competent and go out of their way to ensure we are satisfied each and every time, we would have no hesitation in recommending Klass oil
Architectural Aluminium Ltd

Klass Oil has provided M50 Concession with excellent services despite challenges during COVID-19. Staff very friendly and polite, they provide professional and very efficient service. Highly recommended!
Ola, Facilities & IT Manager
M50 Concession Ltd.

I order my derv and gas oil from Air side /Klass oil. Personally, I cannot fault them. Nothing is ever a problem if it comes to a late order for the following day, they have it there for me no issues. Airside/Klass oil are very keen on price. I do price around at the start of each week and then contact Gabriel for his price and obviously it can’t be beaten. There delivery men are 💯 if they are running late or early, they always make contact to keep me informed. That’s why I keep going back to Airside klassoil.
J Ryan Group

We have been using Harmon Oil for quite some time now and have never had any issues. They provide us with an excellent daily service to our premises, and Brendan is always just a phone call away. We highly recommend!
Keegan Quarries

When it comes to needing oil at home or for my business premises there is only one route, Brendan at Harmon Oil, friendly, reliable, honest and clean fuel that I have never had issue with, I never shop around as I know what I am getting from Brendan and his team.
IIS SPACE Ltd
Our Team

Vincent Kirrane
Director

Gabriel Bannigan
Director

Seán Kennedy
Director