Optical Associates INC
464 S Hillview Dr, Milpitas, CA 95035
Operating signal within 12 months from two or more independent sources.
What they make
Semiconductor and Related Device Manufacturing334413Optical Associates, Inc. manufactures precision equipment including mask aligners, UV exposure systems, and resistivity meters. The company utilizes UV LED light sources and produces solar simulators and I-V testers. It serves the Semiconductor, MEMS, Microfluidics, and PV/Solar industries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Headway Technologies INC | Milpitas | Computer Storage Device Manufacturing 334112 | LIKELY ACTIVE | 0.0 KM |
| Linear Technology CORP | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| Sipex Corporation | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| Kovio, INC | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.1 KM |
| Golden Altos CORP | Milpitas | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 0.2 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 RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | SEP 2026 | SEP 2026 |
| SAM GOV | OPERATING | FEB 2026 | AUG 2026 |
| EPA FRS | EXISTENCE | SEP 2025 | SEP 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | AUG 2026 |
| CAGE CODE | SAM GOV | AUG 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | AUG 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | AUG 2026 |
| REGISTRATION EXPIRATION | SAM GOV | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | AUG 2026 |
| WEBSITE | SAM GOV | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


