Southeast Building Supply Interests (“SBSI”), a platform company of the leading building industry-focused investment firm Building Industry Partners (“BIP”), has acquired Buettner Brothers Lumber Company (“Buettner”). SBSI is led by industry veteran Roger Farmer, and serves local, regional, and national builders and contractors, as well as do-it-yourself customers, across five states in the Southeast. Buettner is SBSI’s first location in Alabama and third acquisition of this summer including Wallace Building Supply (Indian Mound, Tennessee) and Haywood Builders Supply (Waynesville, North Carolina).