René Samson Inc.
ElectriciansPlumbersHeating, ventilation and air conditioning
Call · 418 248-0210Licensed contractors in Montmagny
RBQ data dated November 6, 2026: 65 companies active in Montmagny. 45 (69%) have held their licence for 10 years or more, the oldest since 1984; 2 got theirs in the last 90 days. Choose a trade.
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All companies
Les Forages Denis Proulx inc.
Concrete and foundationsWells and water pumps
Call · 418 248-2251Cytech Corbin inc.
ElectriciansHeating, ventilation and air conditioning
Call · 418 248-2396Roy Rénovation inc.
Heating, ventilation and air conditioningWood stoves and fireplaces
Call · 418 576-2686R. Beaumont & Fils Inc.
Wells and water pumps
Call · 418 248-6160