Facility	City	Industry	Status	Distance
ONI Industries	Ambridge	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	2.3 KM
Ltv Steel Coompany INC Aliquippa Works	Aliquippa	Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing 325300	LIKELY ACTIVE	2.1 KM
J&l Structural Aliquippa Div	Aliquippa	Iron and Steel Mills and Ferroalloy Manufacturing 331110	UNVERIFIED	3.2 KM
Bayou Steel Group, LLC	Leetsdale	Iron and Steel Mills and Ferroalloy Manufacturing 331111	UNVERIFIED	3.8 KM
Monaca Operations	Monaca	Iron and Steel Mills and Ferroalloy Manufacturing 331110	LIKELY ACTIVE	10.5 KM

Every listed plant in Beaver County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Tmk-ipsco Koppel Tubulars, LLC

Ambridge, PA

UNVERIFIED331221

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in E-GGRT, TSCA · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
OSHA ITA	OPERATING	DEC 2025	DEC 2025
EPA FRS	EXISTENCE	DEC 2021	DEC 2021

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
EMPLOYEE BAND	OSHA ITA	DEC 2025
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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