Facility	City	Industry	Status	Distance
E S M I	San Diego	Other Electronic Component Manufacturing 334419	UNVERIFIED	0.0 KM
Electronic Surface Mounted Industries	San Diego	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	0.0 KM
Quality Systems Integrated Corporation	San Diego	Bare Printed Circuit Board Manufacturing 334412	ACTIVE	0.2 KM
Aemi Holdings, Llc, Dba Aem, INC	San Diego	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	0.2 KM
Resonetics San Diego	San Diego	Other Electronic Component Manufacturing 334419	LIKELY ACTIVE	0.3 KM

Every listed plant in San Diego County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Wondfo USA CO LTD

San Diego, CA

UNVERIFIED325413

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	DEC 2015	JAN 2019

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	AUG 2026
STATE	EPA FRS	JUL 2026

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

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