Operating signal within 24 months, or from a single source.
What they make
All Other Miscellaneous Chemical Product and Preparation Manufacturing325998The company mines and processes magnesia ore in Nevada. It produces magnesium oxide and magnesium sulfate, as well as several brands including Amphomag®, Aquamag®, and Giles®. These products are used in soil fertility, plant, and animal nutrition.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Premier Magnesia - Supply Chain | Waynesville | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 0.0 KM |
| Premier Magnesia LLC | Waynesville | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | ACTIVE | 0.1 KM |
| Premier Magnesia - Hazelwood Bulk Plant | Waynesville | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 0.1 KM |
| Premier Magnesia - Repack | Waynesville | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 0.8 KM |
| Giles Chemical, a Division of Premier Magnesia, LLC | Waynesville | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | LIKELY ACTIVE | 2.1 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in AIR, AIRS/AFS, EIS, NC-FITS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA ECHO | OPERATING | OCT 2023 | OCT 2023 |
| EPA FRS | EXISTENCE | MAY 2015 | MAY 2015 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.