Groupe Aecon Québec Ltée
Renovation, construction and general workElectriciansHeating, ventilation and air conditioningMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 352-0100In Ville-Marie (Downtown), the RBQ register lists 23 companies holding subcategory 2.4 (on-site wastewater systems). The oldest of these licences dates from 1987.

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Ahuntsic-Cartierville 7Anjou 7Côte-des-Neiges 6Côte-Saint-Luc, Hampstead and Montréal-West 2Lachine 6LaSalle 16Le Plateau-Mont-Royal 6Le Sud-Ouest 5Mercier–Hochelaga-Maisonneuve 5Montréal-Nord 4Mount Royal (TMR) 1NDG (Notre-Dame-de-Grâce) 1Rivière-des-Prairies–Pointe-aux-Trembles 52Rosemont–La Petite-Patrie 3Saint-Laurent 22Saint-Léonard 21Verdun 3Ville-Marie (Downtown) 23Villeray–Saint-Michel–Parc-Extension 9West Island 35Westmount 1All of Montréal
Renovation, construction and general workElectriciansHeating, ventilation and air conditioningMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 352-0100Heating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systems
Call · 514 915-0900Renovation, construction and general workNew home buildersHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 590-0000Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumpsAccessibility lifts
Call · 514 596-0476Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 846-4000Renovation, construction and general workConcrete and foundationsSeptic systems
Call · 514 316-1116Renovation, construction and general workSeptic systemsWells and water pumps
Call · 438 334-2957Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesMasonryConcrete and foundationsSeptic systemsWells and water pumps
Call · 514 913-0371Concrete and foundationsSeptic systemsWells and water pumps
Call · 514 687-9910In Ville-Marie (Downtown), three companies have held a licence for at least twenty years and nine for under five. Among the companies in Ville-Marie (Downtown), six have held one for ten to nineteen years, five for five to nine. The median licence year in Ville-Marie (Downtown) is 2020. The oldest licences in Ville-Marie (Downtown) belong to Englobe Corp. (2016), Excavation Desbiens inc. (2025) and Construction ALMA inc. (2025). Among the companies in Ville-Marie (Downtown), the most recent are those of Construction ALMA inc. (May 20, 2025) and Excavation Desbiens inc. (February 26, 2025). Just one licence was issued in Ville-Marie (Downtown) in the last ninety days.
Among the companies in Ville-Marie (Downtown), 21 also do excavation and earthwork (2.5). For Ville-Marie (Downtown), eighteen also build non-drilled water catchments (2.2). In Ville-Marie (Downtown), twenty also hold a general contractor licence (1.2 or 1.3), among them Condo Citta inc. and 9547-2742 Québec inc. Among the companies in Ville-Marie (Downtown), just one declares no other trade; the others mostly name renovation (twenty). For Ville-Marie (Downtown), all of them have a $40,000 bond. In Ville-Marie (Downtown), the most frequent bond providers are the APCHQ (six) and Trisura (three).
In Ville-Marie (Downtown), five of these companies got their first licence before 2010, eighteen since. With 13% of licences twenty years and older, Ville-Marie (Downtown) ranks 17th of the island’s 22 areas.
Ville-Marie (Downtown) includes Downtown, Old Montréal, the Latin Quarter, the Village, Centre-Sud and Sainte-Marie. Ville-Marie (Downtown) holds the 3rd place of the island’s 22 areas for septic systems; next to it in the ranking are West Island (35) and Saint-Laurent (22). Ville-Marie (Downtown) holds 10% of the island’s 235 companies on this list.
Permits and rules in Ville-Marie (Downtown Montréal): on the place page →