An excavation project in mind?

Your partner in excavation for over 50 years

Specialist in excavation, in installation of septic tank, in civil engineering and in materials delivery, St-Onge Group is the reference in the Laurentians. Leader in the field of excavation since 1962. St-Onge Group offers its clients an effective service and projects with highest industry standards. Our experienced team will be there to guide you throughout your excavation project.

Our specialties

  • Excavation generale 512


    Excavation service for all residentials and commercials projects .

  • Installation septique 512

    Septic installation

    Expert advices for a septic installation or a leaching bed.

  • Livraison materiaux 512

    Material delivery

    Material delivery for any excavation or construction project.

We are equipped to carry out any excavation projects


Hydraulic shovels and excavators


10 and 12-wheel trucks


Dozers, loaders and graders


Highly qualified employees


  • Affability and minitious work are the trademarks of all the staff of St-Onge Group. The customer satisfaction is assured! Raymond Beaudelot, Domaine Lamoureux at St-Hippolyte
  • It was a first experience for me with St-Onge Group. They gave me good advice. Service was excellent and the bid was respected! Very satisfied! Érik Lavoie, Prévost
  • For three years now, we are proud of working with St-Onge Group.       For all the work related to the excavation, we do not hesitate to refer this company established in our area since many years. Érik Lavoie, Prévost

Our partners