Building product manufacturer Specialty Building Products-backed US Lumber Group to acquire Mid-State Lumber, a local and regional wholesaler of building material products. Financial terms were not disclosed. "Mid-State Lumber is a terrific addition to US Lumber. It is the leading specialty products distributor in its markets, with a loyal following of customers built over multiple generations of family ownership. The Bernstein family, and all of their employees, have built a fantastic business and we are thrilled that they will be joining the US Lumber family. Together we will continue to deliver reliable products and first-class service for customers and suppliers in their markets and across our entire footprint." Jeff McLendon, Specialty Building Products President and CEO.