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Thunder Bay Insulations LTD has been serving Thunder Bay and the surrounding area for more than 36 years. The company began in 1978 with Mike Kohanski as president. In the beginning years Thunder Bay Insulations was a small mechanical insulation company. Over the years the business has developed into North Western Ontario's number one insulation service provider, offering a full range of insulation options to commercial businesses and individual homeowners. We are committed to quality workmanship, service and above all safety. Thunder Bay Insulations is presently owned by Sean Kohanski and Leah Kohanski, son and daughter of Mike and Violet Kohanski.

Thunder Bay , Questions

The Thunder Bay , annual revenue was $4 million in 2026.

Thunder Bay , is based in Thunder Bay, Ontario.

The NAICS codes for Thunder Bay , are [2383, 238, 23831, 238310, 23].

The SIC codes for Thunder Bay , are [17, 174].

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