This industry group comprises establishments primarily engaged in wholesaling electrical construction supplies, and plumbing, heating and air-conditioning equipment and supplies. Building material and supplies merchant wholesalers

This industry group comprises establishments primarily engaged in wholesaling metals and metal products. These establishments may also cut, bend or otherwise prepare metals to customer specification. Building material and supplies merchant wholesalers

This industry group comprises establishments primarily engaged in wholesaling lumber and millwork, paint, glass, wallpaper, hardware and other building supplies. Building material and supplies merchant wholesalers