Chemical Manufacturing in Louisiana

NAICS 325 · LA

The Chemical Manufacturing industry in Louisiana has 428 establishments, according to the Bureau of Labor Statistics. This register lists 544 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 Louisiana28 FACILITIES

Listing 28 of 32: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
DGDiamond Green Diesel	Norco	100–499	● ACTIVE
Isoflex Radioactive LLC	Saint Rose	—	● ACTIVE
GCGalata Chemicals, LLC	Hahnville	1–19	◐ LIKELY ACTIVE
TCTaft Cogeneration Facility	Taft	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC Luling Smr	Luling	—	◐ LIKELY ACTIVE
UCUnion Carbide CORP - St Charles Plant	Hahnville	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC - Norco Hyd	Norco	—	◐ LIKELY ACTIVE
AIArkema INC	Hahnville	—	◐ LIKELY ACTIVE
BCBayer Cropscience LP - Luling Site	Luling	—	◐ LIKELY ACTIVE
MSMomentive Specialty Chemicals INC	Norco	—	◐ LIKELY ACTIVE
OCOccidental Chemical CORP - Taft Plant	Hahnville	—	◐ LIKELY ACTIVE
PSPraxair, St. Charles Facility	Norco	—	◐ LIKELY ACTIVE
VIValentra Industrial Products LLC - Luling Facility	Luling	—	◐ LIKELY ACTIVE
ITInternational-matex Tank Terminals (st. Rose)	St Rose	—	◐ LIKELY ACTIVE
LGLinde Gas & Equipment INC - Taft Site	Hahnville	—	◐ LIKELY ACTIVE
MSMmp Sco LLC	Taft	—	◐ LIKELY ACTIVE
ALAir Liquide Large Industries U.s. LP	Norco	—	◐ LIKELY ACTIVE
APAir Products & Chemicals INC - Taft I Hy	Taft	—	◐ LIKELY ACTIVE
CChemtreat	Norco	—	◐ LIKELY ACTIVE
ALAir Liquide Large Industries US LP - Taft Asu	Hahnville	—	◇ UNVERIFIED
CPCypress Polypropylene Plant Union Carbide CORP.	Norco	—	◇ UNVERIFIED
LILinde INC - Linde St Charles Plant	Norco	—	◇ UNVERIFIED
MFMosaic Fertilizer LLC - Taft Plant	Hahnville	—	◇ UNVERIFIED
PTParadis Tank Battery #3	Paradis	—	◇ UNVERIFIED
ALAir Liquide	Hahnville	1–19	◐ LIKELY ACTIVE
LLLuling, LA	Luling	500+	◐ LIKELY ACTIVE
SLSHAC-Norco, LA	Norco	20–99	◐ LIKELY ACTIVE
TATaft Acetylene Plant	Hahnville	20–99	◐ LIKELY ACTIVE

Search all 544 facilities