Teledyne Defense Electronics, LLC
1274 Terra Bella Ave, Mountain View, CA 94043
Operating signal within 12 months from two or more independent sources.
What they make
Semiconductor and Related Device Manufacturing334413Teledyne HiRel Electronics manufactures high-reliability semiconductors for signal chain functions. The company serves the space, transportation, defense, and industrial sectors, with products designed for extreme environments.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Teledyne Mountain View | Mountain View | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 0.0 KM |
| Crystacomm INC | Mountain View | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.8 KM |
| Sanmina Mountain View | Mountain View | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 0.9 KM |
| Snow Development, INC | Mountain View | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.9 KM |
| Silicon Graphics Computer Systems | Mountain View | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 1.5 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
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 CARB-TCH, EIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | JUN 2017 | AUG 2024 |
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 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| 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 |
| WEBSITE | SAM GOV | DEC 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


