Facility	City	Industry	Status	Distance
Mercury Mission Systems LLC	Torrance	Electronic Computer Manufacturing 334111	ACTIVE	0.2 KM
Phenomenex INC	Torrance	Analytical Laboratory Instrument Manufacturing 334516	UNVERIFIED	0.6 KM
Transient Plasma Systems, INC	Torrance	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	0.8 KM
Tesec, INC.	Torrance	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	LIKELY ACTIVE	1.0 KM
Epirus	Torrance	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	LIKELY ACTIVE	1.3 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 110072011214 · first seen SEP 2025 · last seen SEP 2025

IN LOS ANGELES COUNTY338 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 74 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: MERCURY SYSTEMS INC · NOV 2026
Street address: EPA: 20437 S WESTERN BL · NOV 2026
City: EPA: TORRANCE · NOV 2026
State: EPA: CA · NOV 2026
County (FIPS code): EPA: 06037 · NOV 2026
Coordinates: EPA: 33.845446,-118.309388 · NOV 2026
Hazardous waste generator (RCRA): EPA ECHO: none · NOV 2026

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