This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Asphalt; Cinders; Gravel; Lime; Sand; Rough Dimension Stone, including Rubble; Cement; Ballast.
Block, Shaped; Brick.
Possible NAICS Codes
212321 – Construction Sand and Gravel Mining
212312 – Crushed and Broken Limestone Mining and Quarrying
327320 – Ready-Mix Concrete Manufacturing
212319 – Other Crushed and Broken Stone Mining and Quarrying
327992 – Ground or Treated Mineral and Earth Manufacturing
423320 – Brick, Stone, and Related Construction Material Merchant Wholesalers
324121 – Asphalt Paving Mixture and Block Manufacturing
327999 – All Other Miscellaneous Nonmetallic Mineral Product Manufacturing
327991 – Cut Stone and Stone Product Manufacturing
212311 – Dimension Stone Mining and Quarrying