Stock Building Supply, the No. 2 dealer on the ProSales 100, announced March 10 that it had acquired Precision Doors & Hardware LLC, which sells, installs, services and repairs commercial and industrial doors, frames, door hardware, washroom accessories and control systems in the Washington area.

The transaction took place Feb. 1, Stock's parent, Wolseley PLC, reported. It said Precision Doors had sales of $43.3 million and assets of $8.6 million in 2006.