Gunderson Marine LLC

4350 Nw Front Ave, Portland, OR 97210

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 5 SOURCES

Operating signal within 12 months from two or more independent sources.

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Their homepage, crawled JUL 2026

What they make

Fabricated Structural Metal Manufacturing332312

Products

Sold by GUNDERSON MARINE LLC · 1

Barges And Lighters, Special Purpose

Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.

Where these came from

1 from usaspending_psc · Federal registry

Supplied under federal award W912BU24C0046 (2023-11-07), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.

CAREERS

Careers page — seen SEP 8, 2026

Where it is

45.55198, -122.71476 · CENSUS TIGER

COUNTY

Multnomah County

METRO AREA

Portland-Vancouver-Hillsboro, OR-WA

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Open this address

STREET VIEW

Open street-level view — JUN 2024

Other plants nearby

Facility	City	Industry	Status	Distance
Lit Homes, INC.	Portland	All Other Miscellaneous Manufacturing 339999	ACTIVE	1.1 KM
Vigor Marine LLC	Portland	Iron and Steel Forging 332111	ACTIVE	0.9 KM
Ch Murphy Clark Ullman INC	Portland	Power Boiler and Heat Exchanger Manufacturing 332410	ACTIVE	1.2 KM
Bridge City Steel, LLC	Portland	Iron and Steel Mills and Ferroalloy Manufacturing 331110	ACTIVE	1.1 KM
Western Wire Works INC	Portland	Other Fabricated Wire Product Manufacturing 332618	ACTIVE	1.1 KM

Every listed plant in Multnomah County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 10 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 AIR, AIRS/AFS, BR, CEDRI, EIS, NCDB, NPDES, OR-DEQ, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen JUL 2026 · last seen OCT 2026
SAM.gov entity registrationOPERATING
Record GXWDFF7M2AQ6 · first seen MAR 2026 · last seen OCT 2026
OSHA injury and illness reportsOPERATING
Record 1501537 · first seen DEC 2025 · last seen DEC 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110000487321 · first seen JUL 2020 · last seen JUL 2020

ALSO RECORDED ASGUNDERSON; Gunderson marine and Iron

IN MULTNOMAH COUNTY73 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 18 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.

NameSOURCES DISAGREE: EPA: GUNDERSON · JUL 2026; SAM.gov: GUNDERSON MARINE LLC · ON THIS PAGE
Street address: EPA: 4350 NW FRONT AVE · JUL 2026 · ON THIS PAGE; SAM.gov: 4350 NW FRONT AVE · ON THIS PAGE
City: EPA: PORTLAND · JUL 2026 · ON THIS PAGE; SAM.gov: PORTLAND · ON THIS PAGE
State: EPA: OR · JUL 2026 · ON THIS PAGE; SAM.gov: OR · ON THIS PAGE
County (FIPS code): EPA: 41051 · SEP 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 45.551978878182,-122.714763067369 · JUL 2026 · ON THIS PAGE; EPA: 45.554599,-122.718894 · JUL 2026
Employees (band): OSHA: 100-499 · DEC 2025
Website: SAM.gov: www.giwx.net
CAGE code: SAM.gov: 80EN6
SAM registration expires: SAM.gov: 2027-03-09

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