Main Steel Inc/harmony
6 Whitney Dr, Harmony, PA 16037
LIKELY ACTIVELAST SEEN IN FEDERAL DATA MAR 2026 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Powder Metallurgy Part Manufacturing332117Where it is
40.79808, -80.12144 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Woodward, Incorporated | Mars | Custom Roll Forming 332114 | LIKELY ACTIVE | 11.0 KM |
| Cf Manufacturing LLC | Bradfordwoods | Iron and Steel Forging 332111 | UNVERIFIED | 17.8 KM |
| Ellwood City Forge Company | Ellwood City | Iron and Steel Forging 332111 | LIKELY ACTIVE | 15.0 KM |
| Ellwood City Forge Company | Ellwood City | Iron and Steel Forging 332111 | ACTIVE | 16.4 KM |
| Damascus Steel Casting/new Brighton | New Brighton | Printing and Related Support Activities 323000 | UNVERIFIED | 16.7 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, PA-EFACTS, RCRAINFO, SSTS, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | MAR 2026 | MAR 2026 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JAN 2018 | SEP 2018 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.