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

Plants in Louisiana33 FACILITIES

Facility	City	Employees	Status
SPShintech Plaquemine Plant	Plaquemine	500+	● ACTIVE
Mexichem Fluor INC.	Saint Gabriel	—	● ACTIVE
IOIneos Oxide - a Division of Ineos Americas LLC	Plaquemine	—	◐ LIKELY ACTIVE
Mexichem Fluor INC.	Saint Gabriel	—	◐ LIKELY ACTIVE
PAPioneer Americas LLC D/b/a/ Olin Chlor Alkali	Saint Gabriel	—	◐ LIKELY ACTIVE
Syngenta Crop Protection, LLC. - St Gabriel Plant	Saint Gabriel	—	◐ LIKELY ACTIVE
TETaminco Eastman US - St Gabriel Plant	Saint Gabriel	—	◐ LIKELY ACTIVE
TUTaminco US LLC	Saint Gabriel	100–499	◐ LIKELY ACTIVE
TDThe Dow Chemical CO - Louisiana Operations	Plaquemine	—	◐ LIKELY ACTIVE
TPTotalenergies Petrochemicals & Refining Usa, INC. - Carville Polystyrene Plant	Carville	—	◐ LIKELY ACTIVE
TPTotalenergies Petrochemicals & Refining USA INC - Cos-mar Styrene Monomer Plant	Carville	—	◐ LIKELY ACTIVE
TSTsrc Specialty Materials LLC - Research & Development Pilot Plant	Plaquemine	—	◐ LIKELY ACTIVE
WCWestlake Chemicals & Vinyls LLC - Plaquemine Facility	Plaquemine	—	◐ LIKELY ACTIVE
PSPerformanx Specialty Chemicals - St. Gabriel Operations	Saint Gabriel	—	◐ LIKELY ACTIVE
FIFlopam INC - Flopam Facility	Plaquemine	—	◇ UNVERIFIED
STSe Tylose USA INC. and Its Affiliates	Plaquemine	—	◇ UNVERIFIED
ALAir Liquide Large Industries - Plaquemine ASU	Plaquemine	20–99	◐ LIKELY ACTIVE
WCWestlake Chemicals and Vinyls, LLC	Plaquemine	100–499	◐ LIKELY ACTIVE
TBTexas Brine	White Castle	—	◐ LIKELY ACTIVE
BSBrenntag Southwest, INC. St. Gabriel Bleach Plant	Saint Gabriel	—	◇ UNVERIFIED
NBNutrition & Biosciences USA 1 LLC - Plaquemine Methocel	Plaquemine	—	◇ UNVERIFIED
PCPolyone CORP	Plaquemine	—	◇ UNVERIFIED
ZIZeneca INC.	Saint Gabriel	—	◇ UNVERIFIED
MFMexichem Fluor St. Gabriel (KLEA) Site	Saint Gabriel	20–99	◐ LIKELY ACTIVE
OCOlin Corporation	Saint Gabriel	100–499	◐ LIKELY ACTIVE
PAPioneer Americas LLC, St. Gabriel	Saint Gabriel	100–499	◐ LIKELY ACTIVE
PPPlug Power - Saint Gabriel La PLant	Saint Gabriel	1–19	◐ LIKELY ACTIVE
SGSt. Gabriel Site	Saint Gabriel	100–499	◐ LIKELY ACTIVE
HLHidrogenii, LLC	Saint Gabriel	—	◇ UNVERIFIED
PLParadigm Labs INC	Saint Gabriel	—	◇ UNVERIFIED
PNPcs Nitrogen Fertilizer, L.p., Geismar Facility	Geismar	—	◇ UNVERIFIED
SGSt Gabriel Holdings LLC - St Gabriel Site	Saint Gabriel	—	◇ UNVERIFIED
THTaminco Higher Amines Inc/st. Gabriel	Saint Gabriel	—	◇ UNVERIFIED

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