This U.S. industry comprises establishments primarily engaged in manufacturing metal framed windows (i.e., typically using purchased glass) and metal doors. Examples of products made by these establishments are metal door frames; metal framed window and door screens; and metal molding and trim (except automotive).
Manufacturing wood or metal covered (i.e., clad) wood framed windows and doors--are classified in U.S. Industry 321911, Wood Window and Door Manufacturing; and Manufacturing metal automotive molding and trim--are classified in Industry 336370, Motor Vehicle Metal Stamping.