Johns Post Holes
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24 companies listed · 5 in Thorold · 4 open 24/7 · 15 open weekends · 22 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Thorold, ON, these 24 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.

5 of the 24 companies we list are based in Thorold; the other 19 serve Thorold from towns including St. Catharines, Niagara Falls and Beamsville. The companies on this page are rated from 4.0 to 5.0 across 814 reviews; 3 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), quality (84%) and responsiveness (75%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 4 are open around the clock; 15 are open on Saturdays and 9 on Sundays. 1 shows a licence on its website. Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 1997. 4 offer emergency call-outs; 11 give free estimates; 7 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 19 publish a contact page and 17 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Weekend hours show on 15 of the 24 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.