Matsushita Electronic Materials Site

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Ttm Technologies North America, LLC	Forest Grove	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	● ACTIVE	0.4 KM
Ttm Technologies, INC.	Forest Grove	Bare Printed Circuit Board Manufacturing 334412	● ACTIVE	0.8 KM
Westak of Oregon, INC.	Forest Grove	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	● ACTIVE	1.3 KM
Align Precision - North Plains, LLC	North Plains	Machine Shops 332710	● ACTIVE	10.8 KM
VHVishay Hirel Systems	Hillsboro	Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416	◇ UNVERIFIED	9.6 KM

Every listed plant in Washington County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold 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 BR, EIS, OR-DEQ, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110000486938 · first seen MAY 2019 · last seen MAY 2019
• EPA ECHO compliance recordsOPERATING
  first seen NOV 2006 · last seen NOV 2006

IN WASHINGTON COUNTY63 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 20 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: MATSUSHITA ELECTRONIC MATERIALS SITE · OCT 2026

Street address

EPA: 4114 HEATHER ST · OCT 2026

City

EPA: FOREST GROVE · OCT 2026

State

EPA: OR · OCT 2026

County (FIPS code)

EPA: 41067 · OCT 2026

Coordinates

EPA: 45.51399,-123.07574 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026