National is the largest independent building materials supplier in New England, with everything in building materials plus in-house design and engineering services.

National has eight lumberyards and stores, truss and wall panel manufacturing facilities (Reliable Truss), custom millwork shop (National Millwork) and eight Kitchen Views showrooms all strategically located to serve New England and beyond.

National also has Benjamin Moore paint retail stores at its Newton, Mansfield, Gardner, and Berlin, Massachusetts locations, as well as in Boscawen, NH.