Westak, INC.
1116 Elko Dr, Sunnyvale, CA 94089
Operating signal within 24 months, or from a single source.
What they make
Bare Printed Circuit Board Manufacturing334412Westak Circuits manufactures high reliability printed circuit boards using high performance materials, serving military, aerospace, defense, medical, consumer, industrial electronics, instrumentation and test/measurement industries. The company holds ISO 9001:2015, AS9100 D, MIL-PRF-31032, UL Approved 94V-0, and ITAR Registration certifications, and is RoHS/REACH compliant. Westak offers quickturn prototypes and production capabilities with engineering support.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Armstrong Technology INC | Sunnyvale | Machine Shops 332710 | LIKELY ACTIVE | 0.1 KM |
| Idec Corporation | Sunnyvale | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 0.1 KM |
| Westak | Sunnyvale | Bare Printed Circuit Board Manufacturing 334412 | LIKELY ACTIVE | 0.2 KM |
| Krytar, INC. | Sunnyvale | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 0.3 KM |
| Gsi Technology, INC. | Sunnyvale | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 0.3 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 CARB-TCH, EIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | AUG 2025 | AUG 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 | AUG 2025 |
| CAGE CODE | SAM GOV | AUG 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | AUG 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | AUG 2025 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | AUG 2025 |
| WEBSITE | SAM GOV | AUG 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


