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Atalco Gramercy LLC

1111 E Airline Hwy, Gramercy, LA 70052

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 3 SOURCES

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

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Homepage of Atalco Gramercy LLC
Their homepage, crawled JUL 2026

What they make

Alumina Refining and Primary Aluminum Production331313

Atlantic Alumina Company LLC operates the last remaining alumina refinery in the United States, located in Gramercy, Louisiana, where it produces smelter grade and chemical grade alumina using a double-digestion and batch tank process. The company sources bauxite from its dedicated mining operation in Jamaica and is developing high purity and specialty alumina products with diversified energy sources to serve the aluminum industry.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

30.06658, -90.70182 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

FacilityCityIndustryStatusDistance
Atalco Gramercy LLC - Atlantic Alumina Gramercy OperationsGramercyAlumina Refining and Primary Aluminum Production
331313
UNVERIFIED3.5 KM
Noranda Alumina LLCGramercyOther Basic Inorganic Chemical Manufacturing
325180
LIKELY ACTIVE3.9 KM
Ormet Primary Aluminum Corporation Alumina DivisionBurnsideAlumina and Aluminum Production and Processing
331311
LIKELY ACTIVE22.0 KM

Every listed plant in St. James County

Also at this address

2 other records share 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.

Atlantic Alumina Company LLC
Gramercy, LA
ACTIVE331313
Atalco Gramercy LLC - Atlantic Alumina Gramercy Operations
Gramercy, LA
UNVERIFIED331313
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 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 · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
SAM GOVOPERATINGFEB 2026FEB 2026
EPA FRSEXISTENCEDEC 2021DEC 2021
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVFEB 2026
CAGE CODESAM GOVFEB 2026
CITYEPA FRSJUL 2026
CITYSAM GOVFEB 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVFEB 2026
REGISTRATION EXPIRATIONSAM GOVFEB 2026
STATEEPA FRSJUL 2026
STATESAM GOVFEB 2026
WEBSITESAM GOVFEB 2026

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

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