metals and metal products; hardware; plumbing, heating, ventilating and air conditioning; building materials
  1.   general building materials  1340
  2.   general hardware, tooling and supplies for construction and renovation  922
  3.   glass, paints and wallpaper  214
  4.   heating, ventilating, air conditioning and plumbing equipment and supplies  688
  5.   lumber, panelboard, plywood, veneer and woodworking  312
  6.   metals and metal products  306
  7.   pipe and pipe fittings  147
  8.   special building materials  293
  9.   special hardware, tooling and supplies for construction and renovation  40
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