Facility	City	Industry	Status	Distance
Microwave Specialty Company	San Marcos	Plastics Material and Resin Manufacturing 325211	UNVERIFIED	0.7 KM
Sullins Electronics Corporation	San Marcos	Electronic Connector Manufacturing 334417	ACTIVE	1.6 KM
4 Da Cheeze INC	San Marcos	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	2.0 KM
Sumitomo Electric Interconnect Products, INC.	San Marcos	Custom Compounding of Purchased Resins 325991	ACTIVE	2.7 KM
Oncore Manufacturing Services	San Marcos	Bare Printed Circuit Board Manufacturing 334412	UNVERIFIED	3.1 KM

Every listed plant in San Diego County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 5 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 CARB-TCH, EIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	AUG 2024	AUG 2024

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
STATE	EPA FRS	JUL 2026

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

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