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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

Mec Construction inc.

✓ RBQ licence 8348-6423-58 · Montréal · Licensed since 2008

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

Call · 514 595-6333

Décor Lacharité Inc

✓ RBQ licence 1929-4677-34 · Montréal · Licensed since 1984

Heating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts

Call · 514 353-1601

Construction NICAM inc.

✓ RBQ licence 5791-5761-01 · Montréal · Licensed since 2021

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesSeptic systemsWells and water pumps

Call · 514 321-6238

9360-1292 Québec inc.

✓ RBQ licence 5773-1523-01 · Montréal · Licensed since 2019

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

Call · 514 943-0416

4042077 Canada inc.

✓ RBQ licence 8327-9463-41 · Montréal · Licensed since 2013

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

Call · 450 663-3000

Les Constructions Triangle inc.

✓ RBQ licence 8301-7525-50 · Montréal · Licensed since 2004

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

Call · 514 881-8052

9403-6159 Québec inc.

✓ RBQ licence 5795-8142-01 · Montréal · Licensed since 2021

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

Call · 514 590-0000

Développements Les Cours Bellerive inc.

✓ RBQ licence 5788-1617-01 · Montréal · Licensed since 2020

Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 281-9696

Groupe Paramount inc.

✓ RBQ licence 1645-8416-70 · Dollard-des-Ormeaux · Licensed since 1984

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

Call · 514 683-6644

Altapex Inc.

✓ RBQ licence 8312-7464-35 · Saint-Leonard · Licensed since 2010

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

Call · 514 937-1700

Construction Planit inc.

✓ RBQ licence 8314-8924-21 · Montréal · Licensed since 2005

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

Call · 514 339-1112

Cumar Construction inc.

✓ RBQ licence 5642-1399-01 · Dollard-des-Ormeaux · Licensed since 2012

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

Call · 514 941-5259

Les Constructions Nouveau-Tek inc.

✓ RBQ licence 2627-0660-36 · Montréal · Licensed since 2013

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

Call · 514 955-9119

Sogespro Management inc.

✓ RBQ licence 5748-1541-01 · Montréal · Licensed since 2018

Renovation, construction and general workMasonryConcrete and foundationsSeptic systemsWells and water pumps

Call · 514 217-5322

Other cities

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

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