Best Concrete Contractors in Oshawa, ON
15 companies listed · 7 in Oshawa · 1 open 24/7 · 10 open weekends · 11 rated 4.5+
Data verified October 19, 2026
Axhorn Contracting Inc.
Accl Waterproofing
Les Brown Excavating Ltd.
Technical Jetting Services
Dig Excavation
Listed for homeowners in and around Oshawa, ON, these 15 companies do concrete work. What each says about mixes, finishes and scheduling around the cold season comes from its own website; the ratings and comments on this page are from public reviews.

Area overview: Oshawa, ON
7 of the 15 companies we list are based in Oshawa; the other 8 serve Oshawa from towns including Whitby (8 km), Hampton (12 km) and Bowmanville (13 km). 13 of the companies on this page have a rating, from 4.4 to 5.0 across 362 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (97%), quality (90%) and responsiveness (87%). The topics that come up most in reviews of the companies on this page are "communication" and "price". 1 is open around the clock; 10 are open on Saturdays and 6 on Sundays. 1 shows a licence on its website. Domain records put 4 websites of the companies on this page at ten or more years old; the oldest dates from 2006. 1 offers emergency call-outs; 1 offers financing or payment plans; 8 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 15 of the companies on this page; 13 publish a contact page and 9 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.
Do any of these crews list weekend hours?
Weekend hours show on 10 of the 15 listings here. Concrete gets scheduled around the forecast and the plant, not around the calendar, so weekend hours generally mean somebody picks up the phone rather than a crew being on site.