Les Entreprises Adrien Bélanger inc.
Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 851-1298RBQ data dated November 3, 2026: 6 companies active in Trois-Pistoles for septic system work. 5 (83%) have held their licence for 10 years or more, the oldest since 1984; none got its licence in the last 90 days.

Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 851-1298Septic systemsWells and water pumps
Call · 418 851-4538Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 851-4891Renovation, construction and general workConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 851-1298Renovation, construction and general workSeptic systems
Call · 418 857-2222Renovation, construction and general workHeating, ventilation and air conditioningWood stoves and fireplacesConcrete and foundationsSeptic systemsWells and water pumps
Call · 418 851-5484Ad · Featured placement · examplePreview only — this is not a contractor listing
Rimouski 11Rivière-du-Loup 10Matane 8Témiscouata-sur-le-Lac 5Amqui 5Sainte-Anne-de-la-Pocatière 4Sainte-Luce 4Pohénégamook 3Mont-Joli 3Saint-Narcisse-de-Rimouski 3Saint-Jean-de-Dieu 3Sainte-Félicité 3
Looking for a septic system contractor in Trois-Pistoles? All 6 companies on the list are also listed in other trades: renovation, construction and general work (5), wells and water pumps (5) and concrete and foundations (4).
In the Bas-Saint-Laurent region, 124 companies work in this trade across 53 cities; Trois-Pistoles has 6 of them (4th).
The choice is limited in Trois-Pistoles. Companies from nearby cities in the region, such as Rimouski (11), Rivière-du-Loup (10) and Matane (8), may also serve your area: ask them.
Useful guides: Septic tank pumping: how often and what to check
Open data of the Régie du bâtiment du Québec as of November 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Septic systems in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a septic system contractor in Trois-Pistoles: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →