Facility	City	Industry	Status	Distance
Mercury Defense Systems INC	Cypress	Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492	UNVERIFIED	2.3 KM
Epson America INC	Huntington Beach	Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492	UNVERIFIED	6.1 KM
Efinea	Los Alamitos	Nonferrous Metal (except Aluminum) Smelting and Refining 331410	UNVERIFIED	6.2 KM
Holepop Edm Supplies & Electrodes LLC	Huntington Beach	Cutting Tool and Machine Tool Accessory Manufacturing 333515	ACTIVE	7.3 KM
Epson America INC	Los Alamitos	Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum) 331492	ACTIVE	7.1 KM

Every listed plant in Orange County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Microsemi Corp.-power Management Group

Garden Grove, CA

LIKELY ACTIVE334413

Microchip Technology Inc Garden Grove

Garden Grove, CA

LIKELY ACTIVE334413EMP 100-499

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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