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Septic systems in Montréal

234 companies holding subcategory 2.4 (on-site wastewater systems) have an address in Montréal. The oldest of these licences dates from 1984.

Active licences in RBQ data dated November 4, 2026 · official register ↗ · list order

Construction B. Kaplan Inc.

✓ RBQ licence 1239-0530-73 · Montréal · Licensed since 2022

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 844-3456

9547-2742 Québec inc.

✓ RBQ licence 5873-1498-01 · Montréal · Licensed since 2026

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systems

Call · 514 915-0900

Groupe Unigesco inc.

✓ RBQ licence 5645-4937-01 · Montréal · Licensed since 2012

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 360-1509

Dilatech inc.

✓ RBQ licence 8361-6078-01 · Saint Leonard · Licensed since 2026

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 923-9456

Mécanicaction inc.

✓ RBQ licence 5599-3422-01 · Montréal · Licensed since 2010

Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps

Call · 514 666-9770

9170-7299 Québec inc.

✓ RBQ licence 8354-7901-57 · Beaconsfield · Licensed since 2008

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 457-0489

Adjutor Caron inc.

✓ RBQ licence 1474-8347-05 · Montréal · Licensed since 1984

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 256-7521

Alta Limitée

✓ RBQ licence 1480-9123-41 · Montréal · Licensed since 1984

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 748-8882

Couvertures West-Island inc.

✓ RBQ licence 2366-3511-46 · Pointe-Claire · Licensed since 1986

Renovation, construction and general workHeating, ventilation and air conditioningRoofersWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 695-3535

Ganotec inc.

✓ RBQ licence 2850-1997-73 · Montréal · Licensed since 1991

Renovation, construction and general workElectriciansPlumbersHeating, ventilation and air conditioningWood stoves and fireplacesMasonrySeptic systemsWells and water pumps

Call · 514 354-5533

L. M. L. paysagiste et frères Inc.

✓ RBQ licence 2752-2697-39 · Montréal · Licensed since 2011

Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 722-1744

2632-2990 Québec inc.

✓ RBQ licence 8005-9157-68 · Montréal-Est · Licensed since 1996

Renovation, construction and general workHeating, ventilation and air conditioningSeptic systemsWells and water pumps

Call · 514 645-0707

3469051 Canada inc.

✓ RBQ licence 8111-1379-48 · Montréal · Licensed since 1998

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 514 388-8080

Other cities

Brossard 16Longueuil 33Boucherville 17Laval 132Sainte-Julie 10Terrebonne 46Boisbriand 11Mascouche 17Saint-Eustache 10Repentigny 11

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