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
PCPolyone CORP	Plaquemine	—	◇ UNVERIFIED
PCPremier Chemical Technologies	Lafayette	—	◇ UNVERIFIED
QTQuanta Tech LLC	Lacassine	—	◇ UNVERIFIED
SNSasol North America INC - Lab Plant	Westlake	—	◇ UNVERIFIED
SPSchering Plough Animal Health CORP - W Dual Dr Facility	Baton Rouge	—	◇ UNVERIFIED
SCSigma Coatings USA Bv	Harvey	—	◇ UNVERIFIED
Southern Ionics INC. - Lake Charles Facility	Carlyss	—	◇ UNVERIFIED
SLSouth La Methanol LP - St James Methanol Plant	St. James	—	◇ UNVERIFIED
SISpace INC	Baton Rouge	—	◇ UNVERIFIED
SMSpecialty Minerals INC	Zachary	—	◇ UNVERIFIED
SFSundrop Fuels Louisiana LLC - Rapides Station Fuels Facility	Boyce	—	◇ UNVERIFIED
TSTarget Specialty Products	Baton Rouge	—	◇ UNVERIFIED
TITaylortec INC - Hammond	Hammond	—	◇ UNVERIFIED
TLTdc LLC - Westlake Plant	Westlake	—	◇ UNVERIFIED
TMTerra Mississippi Nitrogen (melamine Facility)	Donaldsonville	—	◇ UNVERIFIED
TCTetra Chemicals	Westlake	—	◇ UNVERIFIED
TBTexas Brine	White Castle	—	◇ UNVERIFIED
VBVirdia B2x LLC - Raceland Plant	Raceland	—	◇ UNVERIFIED
WCWaterbury Cos INC	Independence	—	◇ UNVERIFIED
WUWestlake US 2 LLC - Westlake Lake Charles South	Lake Charles	—	◇ UNVERIFIED
XIX-chem INC	Harahan	—	◇ UNVERIFIED
ZIZeneca INC.	St. Gabriel	—	◇ UNVERIFIED
ASAdvancion - Sterlington, LA	Sterlington	100–499	◐ LIKELY ACTIVE
ALAir Liquide	Hahnville	1–19	◐ LIKELY ACTIVE
ASArkema St. Charles	Hahnville	20–99	◐ LIKELY ACTIVE
ARArq (Red River) Solutions LLC.	Coushatta	100–499	◐ LIKELY ACTIVE
ADAtlantic Dry Ice - NOLA	Houma	1–19	◐ LIKELY ACTIVE
ASAuto-Chlor Services #02	Baton Rouge	20–99	◐ LIKELY ACTIVE
BBasf	Geismar	500+	◐ LIKELY ACTIVE
BPBastrop Plant	Bastrop	20–99	◐ LIKELY ACTIVE
BRBaton Rouge, LA (Animal Health) Facility	Baton Rouge	20–99	◐ LIKELY ACTIVE
BCBelle Chasse Facility	Belle Chasse	20–99	◐ LIKELY ACTIVE
BCBlue Cube - Plaquemine Operations	Plaquemine	100–499	◐ LIKELY ACTIVE
CCCabot Corporation - Jeanerette	Jeanerette	1–19	◐ LIKELY ACTIVE
CLCharm Louisiana LLC	Saint Landry	1–19	◐ LIKELY ACTIVE
CLCharm Louisiana LLC	St Landry	1–19	◐ LIKELY ACTIVE
CConvent	Convent	1–19	◐ LIKELY ACTIVE
CVCremer Volunteer Pastilles	Lake Charles	20–99	◐ LIKELY ACTIVE
CSCrowfoot Supply Company LLC.	Natchitoches	1–19	◐ LIKELY ACTIVE
DPDenka Performance Elastomers LLC.	Laplace	100–499	◐ LIKELY ACTIVE
DLDonaldsonville, LA Complex	Donaldsonville	500+	◐ LIKELY ACTIVE
DCDow Chemical - Greensburg	Greensburg	20–99	◐ LIKELY ACTIVE
DIDow, Inc. Grand Bayou Operations	Belle Rose	20–99	◐ LIKELY ACTIVE
DIDow, Inc. Plaquemine Operations	Plaquemine	500+	◐ LIKELY ACTIVE
ECEvonik Corporation	Reserve	20–99	◐ LIKELY ACTIVE
FFaustina	ST James	100–499	◐ LIKELY ACTIVE
FFaustina	Saint James	100–499	◐ LIKELY ACTIVE
GGonzales	Gonzales	20–99	◐ LIKELY ACTIVE
HHoneywellLA04	Carville	100–499	◐ LIKELY ACTIVE
HHoneywellLA26	Baton Rouge	20–99	◐ LIKELY ACTIVE

Search all 548 facilities