About us

Since 1903, Atelier d’usinage Quenneville inc. has managed to remain a leader in its field through the service provided and the quality of machined, manufactured, and repaired parts, which are the result of the professional work of its employees.

Our expertise extends to various sectors, including ground and railway transportation, manufacturing and machining, mechanical welding assembly, maintenance and repair, as well as the sale of foundry equipment.


RELIABILITY Be a reliable supplier that our clients can count on at all times to meet their machining and welding needs.

INNOVATION Remain industrious, innovative, and service-minded in our solutions-focused approach to each mandate that our clients entrust us with.


QUALITY Set a new standard of quality with each and every mandate to ensure that our clients are always convince that they have chosen the best possible partner for their success.

SECURITY Create a work environment that is stimulating, rewarding, and safe so that each employee can achieve their full potential and be recognized and motivated by their contribution to the success of Quenneville.

TEAM SPIRIT Foster a participative management style that speaks to the heart and mind of each employee while focusing on the continuous improvement of quality and productivity.