Frontier Semiconductor
165 Topaz St, Milpitas, CA 95035
Operating signal within 24 months, or from a single source.
What they make
Semiconductor and Related Device Manufacturing334413- metrology products
- film adhesion
- wafer topography
- electrical characterization
- Data Storage
- MEMS
- local representatives
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Read-rite Corporation | Milpitas | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 0.1 KM |
| Lenthor Engineering INC | Milpitas | Bare Printed Circuit Board Manufacturing 334412 | ACTIVE | 0.3 KM |
| Glide Write INC | Milpitas | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 0.3 KM |
| Headway Technologies INC | Milpitas | Other Electronic Component Manufacturing 334419 | LIKELY ACTIVE | 0.5 KM |
| Nanosys | Milpitas | All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998 | UNVERIFIED | 0.6 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- SAM.gov entity registrationOPERATINGRecord KGPWWFLKKEY5 · first seen JUL 2025 · last seen JUL 2025
- EPA Facility Registry ServiceEXISTENCERecord 110070593052 · first seen AUG 2019 · last seen AUG 2024
IN SANTA CLARA COUNTY823 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 128 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: FRONTIER SEMICONDUCTOR · JUL 2026 · ON THIS PAGE
- SAM.gov: FRONTIER SEMICONDUCTOR · JUL 2025 · ON THIS PAGE
- Street address
- EPA: 165 TOPAZ ST · JUL 2026 · ON THIS PAGE
- SAM.gov: 165 TOPAZ ST · JUL 2025 · ON THIS PAGE
- City
- EPA: MILPITAS · JUL 2026 · ON THIS PAGE
- SAM.gov: MILPITAS · JUL 2025 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · JUL 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 06085 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 37.42810287536,-121.899469975351 · SEP 2026
- EPA: 37.428553,-121.899718 · JUL 2026 · ON THIS PAGE
- Website
- SAM.gov: http://www.frontiersemi.com · JUL 2025
- CAGE code
- SAM.gov: 1TW34 · JUL 2025
- SAM registration expires
- SAM.gov: 2026-07-24 · JUL 2025