Beaver Lumber was a Canadian building supply chain owned by Molson. It was once Canada's fourth largest building supply chain with 138 stores. In 2000 it was purchased by Home Hardware, a cooperative of over 1000 independent Canadian hardware stores. Beaver Lumber stores were rebranded as Home Building Centres. Beaver Lumber was a community-based business and focused on building relationships with its customers. The company eventually operated 130 stores across the country. Beaver Lumber's last Head Office at 7303 Warden Avenue in Markham is now home to Lyreco, Brookfield Properties and TTI.