Vanderhorst Brothers INC
1715 Surveyor Ave, Simi Valley, CA 93063
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Machine Shops332710Where it is
34.26877, -118.71887 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Sheet Metal Engineering | Simi Valley | Sheet Metal Work Manufacturing 332322 | ACTIVE | 0.2 KM |
| White Rhino Industries INC | Simi Valley | Showcase, Partition, Shelving, and Locker Manufacturing 337215 | UNVERIFIED | 1.0 KM |
| Udash Corporation | Simi Valley | Machine Shops 332710 | ACTIVE | 1.1 KM |
| Advanced Electro Dynamics INC | Simi Valley | Other Engine Equipment Manufacturing 333618 | LIKELY ACTIVE | 1.5 KM |
| C & a Machining INC | Simi Valley | Machine Shops 332710 | LIKELY ACTIVE | 1.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 7 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 CA-ENVIROVIEW, NPDES, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | AUG 2022 | AUG 2022 |
| EPA ECHO | OPERATING | AUG 2022 | AUG 2022 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| 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.