Job Opportunities Benefits and Quality of Life
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Service Territory Achievements


For more than twenty years, Les Constructions H.L. Thériault Inc. has worked in the construction industry in the repair of massive structures and underground pipes for electrical and communication networks.

Constructions H.L. Thériault Inc. has specialized equipment for excavation and serves the entire East side of Quebec on the south and north shores of the Saint Lawrence River.

Other Services

We offer equipment rental to help you realize your projects.

  • Backhoe Tractor
  • Excavator Cat
  • Two 10-wheel trucks
Our staff is at your disposal to operate equipment or to supplement your team on site.

  • Joiners
  • Heavy-Duty equipment operators
  • Excavator operator
  • Specialized Journeyman
Our skills allow us to undertake all types of construction.

  • Unconventional formwork
  • Installation of pipes and FRE ducts under bridges
  • Construction of concrete sidewalks
  • Excavation and backfilling
  • Construction of culverts and paths
  • Public art