Benchmark Facility
200 S. Turnbull Canyon Rd., Hacienda Heights, CA 91745
UNVERIFIEDLAST SEEN IN FEDERAL DATA JAN 2014 · 2 SOURCES
Present in a source dataset, with no recent operating signal.
What they make
Semiconductor and Other Electronic Component Manufacturing334411Where it is
34.02621, -117.96567 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Tecstar INC | City of Industry | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.6 KM |
| Stoody Company / Stoody Deloro Stellite INC | City of Industry | Other Fabricated Wire Product Manufacturing 332618 | UNVERIFIED | 2.8 KM |
| Diltex, INC. | West Covina | Electronic Computer Manufacturing 334111 | ACTIVE | 5.2 KM |
| Cooper Interconnect, INC. | La Puente | Electronic Connector Manufacturing 334417 | LIKELY ACTIVE | 4.8 KM |
| Adtech Optics, INC | Industry | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 5.7 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 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 BR, CA-ENVIROVIEW, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | OCT 2016 | OCT 2016 |
| EPA ECHO | OPERATING | JAN 2014 | JAN 2014 |
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 | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.