Facility	City	Industry	Status	Distance
Photonics Foundries INC	Monrovia	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.1 KM
Mcdonnell Douglas Aerospace	Monrovia	Other Electronic Component Manufacturing 334419	UNVERIFIED	0.4 KM
Silc Technologies, INC	Monrovia	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.8 KM
Vinyl Technology, LLC	Monrovia	Cut and Sew Apparel Contractors 315210	ACTIVE	0.9 KM
Wenteq Microwave CORP	Monrovia	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	1.0 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 7 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.

EPA Facility Registry ServiceEXISTENCE
Record 110070488137 · first seen JAN 2019 · last seen JAN 2019

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 · OCT 2026
Street address: EPA: 423 E HUNTINGTON DR · OCT 2026
City: EPA: LOS ANGELES · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06037 · OCT 2026
Coordinates: EPA: 34.140669,-117.994276 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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