| 327910 |
Mining and cutting grindstones, pulpstones, and whetstones--are classified in Industry 212390, Other Nonmetallic Mineral Mining and Quarrying |
| 327910 |
Manufacturing plastic scouring pads--are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing |
| 327910 |
Manufacturing metallic scouring pads and steel wool--are classified in U.S. Industry 332999, All Other Miscellaneous Fabricated Metal Product Manufacturing. |
| 32799 |
Manufacturing cement--are classified in Industry 32731, Cement Manufacturing |
| 32799 |
Mixing and delivering ready-mix concrete--are classified in Industry 32732, Ready-Mix Concrete Manufacturing |
| 32799 |
Manufacturing concrete pipe, brick, and block--are classified in Industry 32733, Concrete Pipe, Brick, and Block Manufacturing |
| 32799 |
Manufacturing pottery, ceramics, and plumbing fixtures--are classified in Industry 32711, Pottery, Ceramics, and Plumbing Fixture Manufacturing |
| 32799 |
Mining or quarrying stone, earth, or other nonmetallic minerals--are classified in Industry Group 2123, Nonmetallic Mineral Mining and Quarrying |
| 32799 |
Buying and selling semi-finished monuments and tombstones with no work other than polishing, lettering, or shaping to custom order--are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade |
| 32799 |
Manufacturing clay building materials and refractories--are classified in Industry 32712, Clay Building Material and Refractories Manufacturing |