About Us

Thunder Bay Pulp & Paper is a leading northern bleached softwood kraft and northern bleached hardwood kraft pulp, paper, newsprint and directory producer. Located on Lake Superior, the Thunder Bay mill has been a landmark company of northwestern Ontario since 1924. In August 2023, Atlas Holdings established Thunder Bay Pulp & Paper as an independent pulp and paper operation, joining Atlas’ global family of manufacturing and distribution businesses.

Today, as a member of the Atlas Holdings family of businesses,
we continue our pulp & paper operation and our legacy as a hallmark of the Thunder Bay community.