Speed, innovation and performance
For your large diesel engines
Discover our services

A strong partner for ships and power plants

At OSM Atlantic, we know that every time your engine stops, it affects your business. That's why we rely on innovative technologies developed specifically to ensure fast and efficient service, so that you can get back to business as quickly as possible.


Benefit from preventive or diagnostic inspections and get an accurate picture of your components’ condition.
See the benefits of an inspection

Maintenance and repair

Choose a complete maintenance and repair service that ensures the performance of your diesel engines.
Find out what we can do

Diesel engine parts sales

Quickly get high-quality, competitively priced mechanical parts for your large diesel engines.
Learn more

Specialized machining on site or in the workshop

Reduce your engine downtime with unmatched services tailored to marine environments, based on proprietary technologies and executed with unparalleled efficiency.
Explore the full potential

An exclusive technology

Guided by innovation
At OSM Atlantic, research and development are key. Our flagship technology, the Bore, allows us to achieve exceptional levels of precision and unparalleled speed of execution. Inspired by the open sea winds, OSM Atlantic is constantly seeking to reach new horizons.
Discover the bore


A company in action
At the forefront of large-scale diesel engine maintenance and repair, OSM Atlantic is determined to offer its customers first-rate service, in close partnership. With its home base in the Magdalen Islands, in the Gulf of St. Lawrence, our team already has one foot in the ocean. The team can work on an engine on site in your facilities or in your building, wherever it is ... even on the open sea!
Learn more about us


See our team in action
Our team stands ready for any situation! Whether your engine needs just a few adjustments or major repairs, we'll get your engine back up and running as quickly as possible. Whether you need an inspection, in-shop machining or on-site repairs, we put our expertise to work for you.
Contact us

The latest news from osm atlantic

News Releases

Canada's Marine Sector - Opportunities and Challenges

OSM Atlantic is following closely a series of articles published in the Quebec press La Presse and Les Affaires in the last few months presenting the multiple challenges of the maritime sector in Quebec. The Quebec government stated in its Avantage Saint-Laurent Strategy, published in June 2021, that "maritime transport is an alternative to road […]
News Releases

Partners of the marine innovation ecosystem visit the Magdalen Islands

During the last two months, OSM Atlantic took part in several meetings with visitors from the innovation ecosystem as well as with business partners of the company. - During the tour of the Quebec Chief Innovator, Luc Sirios, in October 2022, Jean-Sébastien Aucoin, president of OSM Atlantic, participated in a panel with companies accompanied by […]


  • Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam mollis maximus libero, a imperdiet nisi molestie vel. Curabitur ut placerat metus. Duis in ullamcorper orci, nec aliquet lorem. Donec rutrum, est non tincidunt congue, nibh mauris ornare arcu, ac sagittis erat dui ac metus. Phasellus condimentum rutrum placerat. Nulla accumsan velit ut turpis aliquam, at ultricies mi posuere. Nullam sed felis quam. Suspendisse porttitor finibus mauris et scelerisque. »
    Frédérik Lévesque
Want to know more about our solutions?
Contact us
chevron-downarrow-uparrow-right linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram