Thor McAndrew Construction is a leading contractor specializing in residential and commercial building projects, offering complete design, permitting, and construction services. We prioritize quality craftsmanship and timely project completion in Ontario, CA.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Thor McAndrew Construction broke down on May 1, 2026.
Operator ranks every contractor in Ontario every night at 2 am HST using reviews, response rate, and local market share.
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