| SIC | Description
|
| 141 | Dimension Stone |
1411 | Dimension stone |
142 | Crushed and Broken Stone |
1422 | Crushed and broken limestone |
1423 | Crushed and broken granite |
1429 | Crushed and broken stone, nec |
144 | Sand and Gravel |
1442 | Construction sand and gravel |
1446 | Industrial sand |
145 | Clay, Ceramic, & Refractory Minerals |
1455 | Kaolin and ball clay |
1459 | Clay and related minerals, nec |
147 | Chemical and Fertilizer Minerals |
1474 | Potash, soda, and borate minerals |
1475 | Phosphate rock |
1479 | Chemical and fertilizer mining, nec |
148 | Nonmetallic Minerals Services |
1481 | Nonmetallic minerals services |
149 | Miscellaneous Nonmetallic Minerals |
1499 | Miscellaneous nonmetallic minerals |