Maconnerie Mac Inc
“Super nice job, good price, really satisfied.”
Best Retaining Wall Contractors in Shawinigan, QC
10 companies listed · 4 in Shawinigan · 1 open 24/7 · 3 open weekends · 6 rated 4.5+
Data verified October 18, 2026
Morand Excavation Inc
“Courteous and professional service from start to finish.”
Déneigement et Rénovation Grenier
Cimentier Garceau
Polycrete Systems
“Best ecological system and I recommend to everyone”
Couverture Eric Gelinas
“Very good manufacturer and very good team”
Listed for homeowners in and around Shawinigan, QC, these 10 companies build and rebuild retaining walls. Wall types, materials and seasonal hours are what each company publishes for itself, and the ratings and quoted lines are drawn from public reviews.
Area overview: Shawinigan, QC
4 of the 10 companies we list are based in Shawinigan; the other 6 serve Shawinigan from Trois-Rivières (29 km) and Saint-Jean-des-Piles (14 km). 7 of the companies on this page have a rating, from 4.4 to 5.0 across 36 reviews; 6 are rated 4.5 or higher. 1 is open around the clock; 3 are open on Saturdays and 2 on Sundays. 4 show a licence on their websites. 1 offers emergency call-outs. We have a website on file for 7 of the companies on this page; 3 publish a contact page and 6 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Why are companies from other towns listed here?
Out of 10 listings, an address in Shawinigan is shown on 4. The others sit within 30 km. Wall work moves machines, pallets of block and truckloads of stone, so crews travel for it happily; the material delivery often costs more than the drive does.
Maçonnerie Harvey Inc.
“The 2 men who did the work were very friendly and thorough.”
Maskbec Construction Inc
Les Cimentiers RG Inc
Construction Michael Quessy et Fils
Why these companies made our list
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