Establishments primarily engaged in mining, milling, or otherwise preparing natural potassium, sodium, or boron compounds. Establishments primarily engaged in mining common salt are classified in Industry 1479.
- Alum mining
- Borate compounds mining
- Borax mining
- Borax, crude ground and pulverized
- Boron mineral mining
- Colemanite mining
- Glauber’s salt mining
- Kernite mining
- Potash mining
- Potassium compounds mining
- Probertite mining
- Salines mining except common salt
- Soda ash mining
- Sodium compounds mining except common salt
- Trona mining
- Ulexite mining