Twin Brothers Marine LLC

322 Twin Brothers Rd, Louisa, LA 70538

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES

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

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What they make

Fabricated Structural Metal Manufacturing332312

Where it is

29.77086, -91.75530 · CENSUS TIGER

COUNTY

St. Mary County

METRO AREA

Morgan City, LA

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Other plants nearby

Facility	City	Industry	Status	Distance
Chart Energy & Chemicals INC - Plant 1	New Iberia	Fabricated Structural Metal Manufacturing 332312	LIKELY ACTIVE	18.9 KM
Omega Natchiq New Iberia Facility	New Iberia	Fabricated Structural Metal Manufacturing 332312	UNVERIFIED	20.0 KM
Dynamic Industries INC	New Iberia	Fabricated Structural Metal Manufacturing 332312	UNVERIFIED	20.3 KM
Redguard LLC	New Iberia	Prefabricated Metal Building and Component Manufacturing 332311	LIKELY ACTIVE	20.8 KM
Cameron Solutions INC	New Iberia	Plate Work Manufacturing 332313	UNVERIFIED	21.0 KM

Every listed plant in St. Mary County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 8 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, LA-TEMPO, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 752062 · first seen DEC 2025 · last seen DEC 2025
EPA ECHO compliance recordsOPERATING
first seen JUL 2025 · last seen JUL 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110003280404 · first seen JUN 2016 · last seen JUN 2016

IN ST. MARY COUNTY8 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 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: TWIN BROTHERS MARINE LLC · NOV 2026
Street address: EPA: 322 TWIN BROTHERS RD · NOV 2026
City: EPA: LOUISA · NOV 2026
State: EPA: LA · NOV 2026
County (FIPS code): EPA: 22101 · NOV 2026
Coordinates: EPA: 29.77086,-91.7553 · NOV 2026
Employees (band): OSHA: 20-99 · DEC 2025
Hazardous waste generator (RCRA): EPA ECHO: SQG · NOV 2026

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