Chemical Manufacturing in Louisiana

NAICS 325 · LA

The Chemical Manufacturing industry in Louisiana has 428 establishments, according to the Bureau of Labor Statistics. Listed in the register are 548 facilities in Louisiana. Dow, Inc. Plaquemine Operations, located in Plaquemine, employed 1,414 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Plants in Louisiana404 FACILITIES

Listing 404 of 548: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
NANoranda Alumina LLC	Gramercy	—	◐ LIKELY ACTIVE
NCNova Chemicals Olefins LLC - Geismar Ethylene Plant	Geismar	—	◐ LIKELY ACTIVE
OPOak Point Plant	Belle Chasse	—	◐ LIKELY ACTIVE
OCOccidental Chemical Corporation - Geismar Facility	Geismar	—	◐ LIKELY ACTIVE
RLRubicon LLC - Geismar Facility	Geismar	—	◐ LIKELY ACTIVE
SLShintech Louisiana LLC - Addis Plant a	Addis	—	◐ LIKELY ACTIVE
SUSyensqo USA LLC	Baton Rouge	20–99	◐ 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
TPTampa Port Services LLC - Faustina Plant	St. James	—	◐ 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
UCUnion Carbide CORP - St Charles Plant	Hahnville	—	◐ LIKELY ACTIVE
ULUop LLC - Uop Shreveport Plant	Shreveport	—	◐ LIKELY ACTIVE
WCWestlake Chemicals & Vinyls LLC - Plaquemine Facility	Plaquemine	—	◐ LIKELY ACTIVE
WPWestlake Petrochemicals LLC	Sulphur	—	◐ LIKELY ACTIVE
WPWestlake Polymers LLC	Sulphur	—	◐ LIKELY ACTIVE
WVWestlake Vinyls CO LP - Geismar Facility	Geismar	—	◐ LIKELY ACTIVE
WRW. R. Grace & CO - Conn	Baton Rouge	100–499	◐ LIKELY ACTIVE
WRW R Grace - Lake Charles Facility	Sulphur	—	◐ LIKELY ACTIVE
WEWright Enrichment INC.	Crowley	20–99	◐ LIKELY ACTIVE
APAir Products - Baton Rouge Smr	Baton Rouge	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC	Garyville	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC	Sulphur	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC - Convent Hydrogen Plant	Convent	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC - Norco Hyd	Norco	—	◐ LIKELY ACTIVE
AIArkema INC	Hahnville	—	◐ LIKELY ACTIVE
BHBaker Hughes Oilfield Operations LLC - Grinding Plant & Distribution	Morgan City	—	◐ LIKELY ACTIVE
BCBasf CORP - Vidalia Works	Vidalia	—	◐ LIKELY ACTIVE
BCBayer Cropscience LP - Luling Site	Luling	—	◐ LIKELY ACTIVE
Carboline Global INC	Lake Charles	—	◐ LIKELY ACTIVE
CRCatalyst Recovery of Louisiana LLC	Lafayette	—	◐ LIKELY ACTIVE
DMDeltech Monomers Opco LLC - Baton Rouge Facility	Baton Rouge	100–499	◐ LIKELY ACTIVE
DCDow Chemical Grand Bayou Operations	Belle Rose	—	◐ LIKELY ACTIVE
DEDpc Enterprises LP - Dpce-reserve	Reserve	—	◐ LIKELY ACTIVE
ESEvonik Stockhausen LLC	Garyville	—	◐ LIKELY ACTIVE
EMExxon Mobil Corporation - Baton Rouge Resin Finishing Plant	Baton Rouge	—	◐ LIKELY ACTIVE
FIFlopam INC - Flopam Facility	Plaquemine	—	◐ LIKELY ACTIVE
HEHalliburton Energy Svcs	Westlake	—	◐ LIKELY ACTIVE
IOIneos Oxide - a Division of Ineos Americas LLC	Plaquemine	—	◐ LIKELY ACTIVE
LCLion Copolymer	Baton Rouge	—	◐ LIKELY ACTIVE
MLM-i LLC	Broussard	—	◐ LIKELY ACTIVE
MSMomentive Specialty Chemicals INC	Norco	—	◐ LIKELY ACTIVE
MSMomentive Specialty Chemicals INC - Formaldehyde Plant	Geismar	—	◐ LIKELY ACTIVE
NENalco Exxon Energy Chemical Scott Blend Plant	Scott	—	◐ LIKELY ACTIVE
Nalco Production LLC - Garyville Facility	Garyville	—	◐ LIKELY ACTIVE
Nalco Production LLC - Nalco Company Port Allen	Port Allen	—	◐ LIKELY ACTIVE

Search all 548 facilities