Facility	City	Industry	Status	Distance
Gcl Solar Materials Iii	Portland	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.3 KM
Siltronic Corporation	Portland	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	5.7 KM
Transformative Optics Corporation	Portland	Commercial and Service Industry Machinery Manufacturing 333310	ACTIVE	12.6 KM
Tennmax America INC	Vancouver	Other Electronic Component Manufacturing 334419	ACTIVE	10.3 KM
Northwest Engineering Solutions LLC	Portland	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	12.7 KM

Every listed plant in Multnomah 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, NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen MAR 2019 · last seen MAR 2019
EPA Facility Registry ServiceEXISTENCE
Record 110044989983 · first seen OCT 2016 · last seen OCT 2016

IN MULTNOMAH COUNTY18 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 8 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: SOLOPOWER SYSTEMS · OCT 2026
Street address: EPA: 6308 N MARINE DR · OCT 2026
City: EPA: PORTLAND · OCT 2026
State: EPA: OR · OCT 2026
County (FIPS code): EPA: 41051 · OCT 2026
Coordinates: EPA: 45.626584,-122.740819 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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