Construction S. Leroux inc.
Specialty contractors
Call · 514 299-4810RBQ data dated November 3, 2026: 152 companies active in Trois-Rivières for roofing, doors and windows or finishing work. 61 (40%) have held their licence for 10 years or more, the oldest since 1984; 5 got theirs in the last 90 days.

Specialty contractors
Call · 514 299-4810Specialty contractors
Call · 819 378-1613Specialty contractors
Call · 819 244-4708Specialty contractors
Call · 819 374-2431Specialty contractors
Call · 819 374-4434Specialty contractors
Call · 819 448-2183Specialty contractors
Call · 873 255-7046Specialty contractors
Call · 819 377-1188Specialty contractors
Call · 819 817-7961Specialty contractors
Call · 819 692-4004Specialty contractors
Call · 819 379-2931Specialty contractors
Call · 819 692-5268PaintersSpecialty contractors
Call · 514 531-5288Specialty contractors
Call · 819 371-8343Specialty contractors
Call · 819 698-8501Specialty contractors
Call · 819 697-9832Specialty contractors
Call · 819 373-2490Specialty contractors
Call · 819 266-7655Specialty contractors
Call · 819 266-3192Specialty contractors
Call · 819 266-3862Specialty contractors
Call · 819 699-6865Specialty contractors
Call · 819 379-4072Specialty contractors
Call · 819 909-3906Specialty contractors
Call · 819 375-9621Specialty contractors
Call · 819 377-0057Specialty contractors
Call · 819 244-0570Specialty contractors
Call · 819 386-5711Specialty contractors
Call · 819 944-7102Specialty contractors
Call · 819 373-1878Specialty contractors
Call · 819 371-8891Specialty contractors
Call · 819 995-8087Specialty contractors
Call · 819 609-5538Specialty contractors
Call · 418 654-6752Specialty contractors
Call · 819 448-2576Specialty contractors
Call · 819 370-1330Specialty contractors
Call · 418 575-7115Specialty contractors
Call · 438 399-9940Specialty contractors
Call · 819 377-9977Specialty contractors
Call · 819 698-1058Specialty contractors
Call · 819 996-1886Ad · Featured placement · examplePreview only — this is not a contractor listing
Shawinigan 60Louiseville 16Saint-Boniface 13Notre-Dame-du-Mont-Carmel 13Saint-Étienne-des-Grès 11Maskinongé 11Saint-Maurice 10La Tuque 10Yamachiche 8Saint-Alexis-des-Monts 7Saint-Édouard-de-Maskinongé 6Champlain 4
Looking for a specialty contractor in Trois-Rivières? 137 of the 152 companies on the list work in this trade only; the others are also listed in other trades: roofers (7), painters (4) and doors and windows (4).
With 152 of the 363 companies in the Mauricie region, Trois-Rivières ranks first for this trade.
On this page: Renovation permits in Trois-Rivières
Useful guides: Replacing exterior siding: permits in Montréal and Laval · Gutter cleaning and downspouts: Montréal rules · Radon test at home: when to test and how to fix it
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: Specialty contractors in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
In Trois-Rivières, some light work on a house does not need a building permit, but a free declaration of work is required before starting. A permit is still required for other work, such as a foundation drain.
Official pages: Declaration of work (in French) ↗ · Printable checklist before you sign