Ruff Quality Components, also known as RQC, offers a range of roof trusses and engineered floor systems. It undertakes residential, commercial and multifamily projects throughout the Midwest. The company also distributes products from Boise Cascade and Georgia-Pacific. Ruff Quality Components provides delivery services. It is a division of Hundman Lumber Companies, which is a family-owned business that supplies a variety of building materials. The parent company operates more than five building material stores in Bloomington, Champaign, Decatur, Fairbury, Lincoln, Manteno and Springfield cities in Illinois. It maintains Decatur CounterTop, Champaign Millwork and Wall Systems. Hundman Lumber Companies serves contractors and construction firms.