Operating signal within 12 months from two or more independent sources.
What they make
Carbon and Graphite Product Manufacturing335991- electrical power
- Innovation
- electric vehicles
- renewable energies
- aerospace
- rail
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
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 |
| Mersen USA St Marys | St 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 | St 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 |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in RCRAINFO, TSCA · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord LF1VD5E8KPX5 · first seen MAR 2026 · last seen OCT 2026
- EPA Facility Registry ServiceEXISTENCERecord 110063077272 · first seen DEC 2014 · last seen DEC 2014
ALSO RECORDED ASMERSEN USA ST MARYS PA CORP
IN ELK COUNTY18 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 12 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- NameSOURCES DISAGREE
- EPA: MERSEN USA ST MARYS PA CORP · JUL 2026
- SAM.gov: MERSEN USA GS CORP. · ON THIS PAGE
- Street address
- EPA: 215 STACKPOLE ST · JUL 2026 · ON THIS PAGE
- SAM.gov: 215 STACKPOLE ST · ON THIS PAGE
- City
- EPA: SAINT MARYS · JUL 2026 · ON THIS PAGE
- SAM.gov: SAINT MARYS · ON THIS PAGE
- State
- EPA: PA · JUL 2026 · ON THIS PAGE
- SAM.gov: PA · ON THIS PAGE
- County (FIPS code)
- EPA: 42047 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 41.430820376931,-78.552559514232 · JUL 2026 · ON THIS PAGE
- EPA: 41.430588,-78.55229 · JUL 2026
- Website
- SAM.gov: www.mersen.com
- CAGE code
- SAM.gov: 0TRH7
- SAM registration expires
- SAM.gov: 2027-03-12
- State business registration
- PA DOS: Mersen Usa Gs Corp., registered with the Pennsylvania Department of State; Corporation; registered 1991-12-03; active · DEC 1991


