Stack Metallurgical Services, LLC
5938 N Basin Ave, Pob 17176, Portland, OR 97217
ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES
Operating signal within 12 months from two or more independent sources.
What they make
Metal Heat Treating332811Where it is
45.56665, -122.70680 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Dura Industries | Portland | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | LIKELY ACTIVE | 2.2 KM |
| Columbia American Plating Site | Portland | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | UNVERIFIED | 2.7 KM |
| Schoolhouse Electric CO | Portland | Electroplating, Plating, Polishing, Anodizing, and Coloring 332813 | UNVERIFIED | 2.9 KM |
| Zinkpower-portland LLC | Portland | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | LIKELY ACTIVE | 3.0 KM |
| Galvanizers CO | Portland | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812 | UNVERIFIED | 3.0 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 ICIS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| SAM GOV | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | MAY 2019 | MAY 2019 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | DEC 2025 |
| CAGE CODE | SAM GOV | DEC 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | DEC 2025 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | DEC 2025 |
| REGISTRATION EXPIRATION | SAM GOV | DEC 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | DEC 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.