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Mountain Ridge Metals INC

1678 State Route 209, Millersburg, PA 17061

ACTIVELAST SEEN IN FEDERAL DATA MAR 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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What they make

Other Aluminum Rolling, Drawing, and Extruding331318

Where it is

40.54070, -76.91914 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

FacilityCityIndustryStatusDistance
Mountain Ridge Metals 1678 Rte 209MillersburgOther Aluminum Rolling, Drawing, and Extruding
331318
 LIKELY ACTIVE0.1 KM
Mountain Ridge Metals Inc/millersburgMillersburgUnlaminated Plastics Profile Shape Manufacturing
326121
 LIKELY ACTIVE0.3 KM
Mountain Ridge Metals MillersburgMillersburgOther Aluminum Rolling, Drawing, and Extruding
331318
 LIKELY ACTIVE0.6 KM
Nestle Purina PetcareMechanicsburgDog and Cat Food Manufacturing
311111
 LIKELY ACTIVE35.9 KM

Every listed plant in Dauphin County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 8 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 · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen MAR 2026 · last seen MAR 2026
  • OSHA injury and illness reportsOPERATING
    Record 1108157 · first seen DEC 2025 · last seen DEC 2025
  • EPA Facility Registry ServiceEXISTENCE
    Record 110071424508 · first seen MAY 2023 · last seen MAY 2023

IN DAUPHIN COUNTY3 other plants share this one’s industry (Alumina and Aluminum Production and Processing, NAICS 3313); 0 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.

Name
EPA: MOUNTAIN RIDGE METALS INC · NOV 2026
Street address
EPA: 1678 STATE ROUTE 209 · NOV 2026
City
EPA: MILLERSBURG · NOV 2026
State
EPA: PA · NOV 2026
County (FIPS code)
EPA: 42043 · NOV 2026
Coordinates
EPA: 40.5407,-76.919141 · NOV 2026
Employees (band)
OSHA: 100-499 · DEC 2025
Hazardous waste generator (RCRA)
EPA ECHO: LQG · NOV 2026

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