Roofing Supply Group LLC (RSG) has acquired the assets of Northwest Roofing Supply Inc.'s roofing division of Oklahoma, RSG announced.

Northwest is based in Oklahoma City with a satellite office in Lawton, Okla. It has been in business more than 20 years. Branch manager Rick Misurac will remain in charge of the operation.

Dallas-based RSG operates 58 branches across 22 states and is focused exclusively on residential and commercial roofing products and accessories. "The Northwest acquisition further strengthens RSG's geographic position and ability to serve its customer base," the company said in a statement.

RSG is owned by The Sterling Group L.P.