Facility	City	Industry	Status	Distance
Led Light Source, LLC	South San Francisco	Power, Distribution, and Specialty Transformer Manufacturing 335311	UNVERIFIED	0.4 KM
Southern Beams Builds INC.	South San Francisco	Motor and Generator Manufacturing 335312	ACTIVE	1.1 KM
Alvah Contractors INC	South San Francisco	Power, Distribution, and Specialty Transformer Manufacturing 335311	UNVERIFIED	1.7 KM
Chariot Defense, INC.	San Bruno	All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999	ACTIVE	3.4 KM
Mcm Engineering, INC	Burlingame	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	6.7 KM

Every listed plant in San Mateo County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 6 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
EPA FRS	EXISTENCE	SEP 2025	SEP 2025

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	SEP 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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