Find the 4 Best Construction Contractors in Thunder Bay, ON

Sierra Sustainable Builders specializes in high-performance, eco-conscious construction solutions for residential and commercial projects in the Tahoe Basin. We deliver custom-built structures and renovations that prioritize energy efficiency, sustainable materials, and meticulous craftsmanship. Our expertise in passive house standards and alpine construction challenges makes us the region's premier green building partner.

Holly Construction is a full-service general contracting firm specializing in residential and commercial remodeling, carpentry, flooring, and home repairs. Committed to quality and client satisfaction, they offer tailored solutions for projects of all sizes, from minor upgrades to large-scale renovations. Their experienced team ensures timely completion and competitive pricing, making them a trusted partner for construction needs in Thunder Bay and nearby communities.

Complete Installz is a dedicated bathroom remodeling contractor serving Thunder Bay and Northwestern Ontario. With 15+ years of experience, we specialize in residential and commercial tile installations, custom showers, and innovative Wetwalls panel systems. Our turnkey solutions utilize premium Schluter products to deliver durable, aesthetically superior renovations that transform bathrooms into functional luxury spaces.

Wildon Wiring specializes in hydro line construction, maintenance, and emergency services for private, corporate, and industrial clients. Established in 1971, we deliver high-voltage solutions, substation projects, and specialized drilling with a focus on safety, innovation, and environmental stewardship.