metals and metal products; hardware; plumbing, heating, ventilating and air conditioning; building materials
  1.   general building materials  1347
  2.   general hardware, tooling and supplies for construction and renovation  934
  3.   glass, paints and wallpaper  220
  4.   heating, ventilating, air conditioning and plumbing equipment and supplies  702
  5.   lumber, panelboard, plywood, veneer and woodworking  309
  6.   metals and metal products  311
  7.   pipe and pipe fittings  149
  8.   special building materials  291
  9.   special hardware, tooling and supplies for construction and renovation  41
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