Michael J. Lanahan Lumber Company, Inc. A Company Built on Delivering Quality... World Wide. Home About Us What We Do Projects Contact Us Our Company Michael J. Lanahan Lumber Co., Inc., located in Jacksonville, Florida is one of the oldest operating lumber yards in the country. We have been distributing lumber and building materials since 1946. Our lumber and building materials support structures from North America, the Caribbean Islands, Europe and Canada. We take great pride in our extraordinary customer service and our projects are among the top rated in the building industry. Michael J. Lanahan Lumber Co., Inc 2014 East Adams Street Jacksonville, Florida (904) 356-0721