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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

6672469 Canada inc.

✓ RBQ licence 8341-8855-23 · Montréal · Licensed since 2007

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

Call · 514 747-4646

AE Services et Technologies inc.

✓ RBQ licence 5755-0774-01 · Montréal · Licensed since 2024

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

Call · 438 932-1357

Construction Genfor Canada inc.

✓ RBQ licence 8005-8712-24 · Montréal · Licensed since 2025

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

Call · 514 770-1051

10469432 Canada inc.

✓ RBQ licence 5774-5820-01 · Montréal · Licensed since 2019

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

Call · 514 255-8008

Desaulniers Construction inc.

✓ RBQ licence 8281-8386-07 · Montréal · Licensed since 2002

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

Call · 514 367-1955

Restaure-Action inc.

✓ RBQ licence 5651-8400-01 · Montréal · Licensed since 2012

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

Call · 514 528-1989

Les Peintres Aquino & Fils Inc.

✓ RBQ licence 2967-3449-70 · Montréal · Licensed since 1993

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

Call · 514 324-7551

Groupe Placeco

✓ RBQ licence 8268-0844-34 · Montréal · Licensed since 2026

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

Call · 514 323-6100

Groupe JNT inc.

✓ RBQ licence 8337-1856-39 · Montréal · Licensed since 2006

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

Call · 514 364-2677

Construction Aqui inc.

✓ RBQ licence 8229-5544-14 · Montréal · Licensed since 1999

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

Call · 514 494-5666

Demospec Sciage & Forage inc.

✓ RBQ licence 5818-6180-01 · Montréal · Licensed since 2022

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

Call · 514 648-6366

Altapex Construction Corporation

✓ RBQ licence 3023-7200-16 · Saint-Leonard · Licensed since 1992

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

Call · 514 937-1700

Gestion Les Ensembliers inc.

✓ RBQ licence 8294-9991-26 · Montréal · Licensed since 2003

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

Call · 514 938-4424

Tomas Construction Inc.

✓ RBQ licence 1286-2751-94 · Montréal · Licensed since 1984

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

Call · 514 336-3186

Gestion Europro Inc.

✓ RBQ licence 8296-4560-44 · Montréal · Licensed since 2003

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

Call · 514 725-2437

Other cities

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

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