Facility	City	Industry	Status	Distance
HF Portland OR	Portland	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	LIKELY ACTIVE	1.0 KM
Curtiss-wright Ds, INC.	Portland	Electronic Computer Manufacturing 334111	ACTIVE	1.4 KM
Nti Audio INC.	Portland	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	1.8 KM
317713579 - Micro Systems Engineering INC	Lake Oswego	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	LIKELY ACTIVE	1.9 KM
Fulcrum Technologies INC	Tualatin	Concrete Pipe Manufacturing 327332	ACTIVE	2.2 KM

Every listed plant in Washington County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 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 OSHA-OIS.

EPA Facility Registry ServiceEXISTENCE
Record 110070307489 · first seen SEP 2018 · last seen SEP 2018

IN WASHINGTON COUNTY41 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 15 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: 317720457 - KLEIN OPTICAL INSTRUMENTS INC · OCT 2026
Street address: EPA: 8194 SW DURHAM RD · OCT 2026
City: EPA: TIGARD · OCT 2026
State: EPA: OR · OCT 2026
Coordinates: EPA: 45.4043,-122.76136 · OCT 2026

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