Harper Engineering CO
200 S Tobin, Renton, WA 98055
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Other Aircraft Parts and Auxiliary Equipment Manufacturing336413Where it is
47.48382, -122.21448 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Rydberg Vacuum Sciences INC | Renton | Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing 336419 | ACTIVE | 0.1 KM |
| Boeing Commercial Airplane Renton | Renton | Aircraft Manufacturing 336411 | UNVERIFIED | 1.1 KM |
| Renton Coil Spring Company | Renton | Spring Manufacturing 332613 | ACTIVE | 1.2 KM |
| Renton, WA (WA016) | Renton | Aircraft Manufacturing 336411 | LIKELY ACTIVE | 1.2 KM |
| Renton Plant | Renton | Aircraft Manufacturing 336411 | UNVERIFIED | 1.4 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 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 · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | DEC 2014 | DEC 2014 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | SEP 2026 |
| CITY | EPA FRS | SEP 2026 |
| COUNTY FIPS | EPA FRS | SEP 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | EPA FRS | SEP 2026 |
| NAME | EPA FRS | SEP 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | SEP 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.