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Chemical Manufacturing in Louisiana

NAICS 325 · LA

Louisiana is home to Chemical Manufacturing, industry NAICS code 325. The Bureau of Labor Statistics counted 434 establishments in Louisiana in 2024, with an annual payroll of about $4.0 billion. Listed in the register are 537 facilities in Louisiana, across 132 cities.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Calcasieu57East Baton Rouge54Ascension53Iberville33St. Charles30Caddo24Jefferson21St. John the Baptist17

Biggest cities

Plants in Louisiana20 FACILITIES

FacilityCityEmployeesStatus
Shintech Plaquemine PlantPlaquemine500+ ACTIVE
Ineos Oxide - a Division of Ineos Americas LLCPlaquemine— LIKELY ACTIVE
The Dow Chemical CO - Louisiana OperationsPlaquemine— LIKELY ACTIVE
Tsrc Specialty Materials LLC - Research & Development Pilot PlantPlaquemine— LIKELY ACTIVE
Westlake Chemicals & Vinyls LLC - Plaquemine FacilityPlaquemine— LIKELY ACTIVE
Flopam INC - Flopam FacilityPlaquemine— UNVERIFIED
Se Tylose USA INC. and Its AffiliatesPlaquemine— UNVERIFIED
Air Liquide Large Industries - Plaquemine ASUPlaquemine20–99 LIKELY ACTIVE
Westlake Chemicals and Vinyls, LLCPlaquemine100–499 LIKELY ACTIVE
Nutrition & Biosciences USA 1 LLC - Plaquemine MethocelPlaquemine— UNVERIFIED
Polyone CORPPlaquemine— UNVERIFIED
Blue Cube - Plaquemine OperationsPlaquemine100–499 LIKELY ACTIVE
Dow, Inc. Plaquemine OperationsPlaquemine500+ LIKELY ACTIVE
Ineos OxidePlaquemine20–99 LIKELY ACTIVE
Plaquemine MethocelPlaquemine20–99 LIKELY ACTIVE
SE Tylose Louisiana, LLCPlaquemine20–99 LIKELY ACTIVE
TSRC Specialty Materials, LLCPlaquemine20–99 LIKELY ACTIVE
Dow Chemical CO.Plaquemine— UNVERIFIED
Olin - Blue Cube Operations, LLCPlaquemine— UNVERIFIED
The Dow Chemical CompanyPlaquemine— UNVERIFIED

Search all 537 facilities

All chemical manufacturing nationwide · All manufacturing in Louisiana