Unparalleled Know-How
The success of your construction work depends on the teams you hire. Qualified experts eliminate the risk of non-compliant septic tanks, weakened structures and foundation issues. Start your projects on the right foot and ensure their completion with Les Excavations Ouellet et Gaignard!
Whether it’s for snow removal, decontamination or excavation needs, our years of experience guarantee results that exceed all expectations. Terrebonne, Repentigny, North Shore and Montreal–we’re at your service!

The Reference since 1976
Established in 1976, Les Excavations Ouellet et Gaignard is an integral part of the construction industry on the North Shore and in Greater Montreal. Our reputation, built on our customer service and the quality of our work, has preceded our family business for nearly 50 years.
Over the years, our mission has remained the same: to provide an essential service that meets technical, budgetary, legal and specific standards. To achieve this mission, we rely on our know-how, our attention to detail and our dedicated staff. Always up for a challenge, we’re proud to serve you!
We Guarantee:
Machinery of All Kinds
Experience
Impeccable Customer Service
Unmatched Equipment
Our Services
Service Area
We proudly serve the North Shore as well as the greater Montreal area to meet all your needs related to excavation, decontamination and snow removal.
- North Shore
- Laval
- Montreal
Well Equipped for a Better Service
Always ready to provide you with a personalized service, our experts specialize in the use of all kinds of equipment. We handle machinery ranging from one to 41 tons, and work with backpack blowers operated by our labourers. This adaptability makes us the reference on the North Shore and in the greater Montreal area.