This industry comprises establishments primarily engaged in wholesaling a broad range of building supplies, such as lumber, hardware, plumbing and electrical supplies, paint, glass and other construction supplies.

This industry comprises establishments primarily engaged in wholesaling rough and dressed lumber, plywood, and other millwork products.

This industry comprises establishments primarily engaged in wholesaling hardware and tradesmen's tools.

This industry comprises establishments primarily engaged in wholesaling paints and varnishes, glass, wallpaper and building decorators' supplies.

This industry comprises establishments, not classified to any other industry, primarily engaged in wholesaling specialized lines of building supplies.