Operating signal within 12 months from two or more independent sources.
What they make
Semiconductor and Related Device Manufacturing334413- vision systems
- motion
- coherent sensing technology
- AI robotics
- machines
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Wenteq Microwave CORP | Monrovia | Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418 | ACTIVE | 0.7 KM |
| Photonics Foundries INC | Monrovia | Semiconductor and Related Device Manufacturing 334413 | ACTIVE | 0.7 KM |
| Vinyl Technology, LLC | Monrovia | Cut and Sew Apparel Contractors 315210 | ACTIVE | 0.9 KM |
| Mcdonnell Douglas Aerospace | Monrovia | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 1.1 KM |
| Cals Aviation LLC | Monrovia | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 1.7 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 OCT 2026
- SAM.gov entity registrationOPERATINGRecord EJRNQ9N92MK5 · first seen JAN 2026 · last seen JAN 2026
- EPA Facility Registry ServiceEXISTENCERecord 110072011261 · first seen OCT 2021 · last seen SEP 2025
IN LOS ANGELES COUNTY345 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 78 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: SILC TECHNOLOGIES INC · JUL 2026 · ON THIS PAGE
- SAM.gov: SILC TECHNOLOGIES, INC · JAN 2026 · ON THIS PAGE
- Street address
- EPA: 181 W HUNTINGTON DR STE 200 · JUL 2026 · ON THIS PAGE
- SAM.gov: 181 W HUNTINGTON DR STE 200 · JAN 2026 · ON THIS PAGE
- City
- EPA: MONROVIA · JUL 2026 · ON THIS PAGE
- SAM.gov: MONROVIA · JAN 2026 · ON THIS PAGE
- State
- EPA: CA · JUL 2026 · ON THIS PAGE
- SAM.gov: CA · JAN 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 06037 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 34.140511493894,-118.002572199342 · JUL 2026 · ON THIS PAGE
- EPA: 34.140526,-118.001852 · JUL 2026
- Website
- SAM.gov: www.silc.com · JAN 2026
- CAGE code
- SAM.gov: 89ZK4 · JAN 2026
- SAM registration expires
- SAM.gov: 2027-01-22 · JAN 2026


