Warren Steel Holdings LLC

4000 Mahoning Ave Nw, Warren, OH 44483

LIKELY ACTIVELAST SEEN IN FEDERAL DATA SEP 2025 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Iron and Steel Mills and Ferroalloy Manufacturing331110

Where it is

41.27237, -80.84544 · CENSUS TIGER

COUNTY

Trumbull County

METRO AREA

Youngstown-Warren, OH

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Other plants nearby

Facility	City	Industry	Status	Distance
Arcelormittal Warren	Warren	Iron and Steel Mills and Ferroalloy Manufacturing 331111	UNVERIFIED	5.6 KM
LTD Steel Coke Plant	Warren	All Other Petroleum and Coal Products Manufacturing 324199	LIKELY ACTIVE	7.2 KM
Allegheny Rail Products/ Lb Foster CO	Niles	Iron and Steel Mills and Ferroalloy Manufacturing 331111	LIKELY ACTIVE	13.4 KM
Mcdonald Steel CORP	Mc Donald	Iron and Steel Mills and Ferroalloy Manufacturing 331111	LIKELY ACTIVE	15.3 KM
North Jackson Specialty Steel LLC	North Jackson	Iron and Steel Mills and Ferroalloy Manufacturing 331110	ACTIVE	20.7 KM

Every listed plant in Trumbull 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 AIR, AIRS/AFS, BR, ICIS, NCDB, NPDES, OH-CORE, OSHA-OIS, RCRAINFO, SEMS, TRIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110000389865 · first seen APR 2026 · last seen JUL 2026
EPA ECHO compliance recordsOPERATING
first seen SEP 2025 · last seen SEP 2025

IN TRUMBULL COUNTY7 other plants share this one’s industry (Iron and Steel Mills and Ferroalloy Manufacturing, NAICS 3311); 1 of them has 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: WARREN STEEL HOLDINGS LLC · OCT 2026
Street address: EPA: 4000 MAHONING AVE NW · OCT 2026
City: EPA: WARREN · OCT 2026
State: EPA: OH · OCT 2026
County (FIPS code): EPA: 39155 · OCT 2026
Coordinates: EPA: 41.27237,-80.84544 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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