About
Les Entreprises Hans Gruenwald Inc. have been offering specialized services for over 50 years in the installation, pumping and maintenance of residential and commercial septic tanks, as well as excavation and demolition in the western Monteregie region, from Montreal to the Ontario border. Accredited for several ecological technologies.
Services offered
Service types
MaintenanceInspection / appraisalNew constructionRepair
Specialties
Septic & artesian wells Demolition Excavation & earthworks
Materials
Concrete
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See the guideWork areas
Châteauguay
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