Operating signal within 12 months from two or more independent sources.
What they make
Carbon and Graphite Product Manufacturing335991Mersen is an expert in electrical power and advanced materials that enables the performance and reliability of industrial systems and essential infrastructure. The company serves industries including power management, electric vehicles, renewable energies and storage, aerospace, and rail.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Mersen USA St Marys | Saint Marys | Carbon and Graphite Product Manufacturing 335991 | LIKELY ACTIVE | 0.0 KM |
| Morgan Advanced Materials and Technology, INC. | Saint Marys | Carbon and Graphite Product Manufacturing 335991 | ACTIVE | 0.2 KM |
| Morgan Advanced Materials St Marys | Saint Marys | Carbon and Graphite Product Manufacturing 335991 | LIKELY ACTIVE | 0.2 KM |
| Stackpole Carbon CO Plant 02 | Saint Marys | Carbon and Graphite Product Manufacturing 335991 | UNVERIFIED | 0.2 KM |
| Speer Carbon CO | Saint Marys | Carbon and Graphite Product Manufacturing 335991 | ACTIVE | 0.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 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 RCRAINFO, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | MAR 2026 | MAR 2026 |
| EPA FRS | EXISTENCE | DEC 2014 | DEC 2014 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | MAR 2026 |
| CAGE CODE | SAM GOV | MAR 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | MAR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | MAR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | MAR 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | MAR 2026 |
| WEBSITE | SAM GOV | MAR 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


