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
Map, cities and product lines
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 |
|---|---|---|---|
| Ineos Oxide | Plaquemine | 20–99 | LIKELY ACTIVE |
| Ivanhoe Plant | Franklin | 20–99 | LIKELY ACTIVE |
| Lake Charles | Sulphur | 100–499 | LIKELY ACTIVE |
| La Mark Ka - LA | Baton Rouge | 20–99 | LIKELY ACTIVE |
| Linde Geismar HYCO | Geismar | 20–99 | LIKELY ACTIVE |
| Linde Pelican | Geismar | 1–19 | LIKELY ACTIVE |
| Linde SSU HYCO | Geismar | 1–19 | LIKELY ACTIVE |
| Linde St. Charles HYCO | Norco | 1–19 | LIKELY ACTIVE |
| Lion Copolymer Geismar, LLC | Geismar | 100–499 | LIKELY ACTIVE |
| Luling, LA | Luling | 500+ | LIKELY ACTIVE |
| Mallinckrodt Pharmaceuticals - Port Allen Mfg | Port Allen | 20–99 | LIKELY ACTIVE |
| Methanex USA, LLC | Geismar | 100–499 | LIKELY ACTIVE |
| Mexichem Fluor St. Gabriel (KLEA) Site | St. Gabriel | 20–99 | LIKELY ACTIVE |
| Multi-Chem Group, LLC - Geismar | Geismar | 20–99 | LIKELY ACTIVE |
| Nexpera - Burnside | Darrow | 20–99 | LIKELY ACTIVE |
| NOVA Chemicals - Geismar Plant | Geismar | 100–499 | LIKELY ACTIVE |
| Nutrien | Geismar | 100–499 | LIKELY ACTIVE |
| Olin Corporation | Saint Gabriel | 100–499 | LIKELY ACTIVE |
| OxyChem-Convent Plant | Convent | 100–499 | LIKELY ACTIVE |
| OxyChem-Geismar Plant | Geismar | 100–499 | LIKELY ACTIVE |
| OxyChem-Taft Plant | Taft | 100–499 | LIKELY ACTIVE |
| Palm - La | Port Allen | 1–19 | LIKELY ACTIVE |
| Petrochemical Complex | Sulphur | 100–499 | LIKELY ACTIVE |
| Plaquemine Methocel | Plaquemine | 20–99 | LIKELY ACTIVE |
| Plug Power - Saint Gabriel La PLant | Saint Gabriel | 1–19 | LIKELY ACTIVE |
| Polymers | Sulphur | 100–499 | LIKELY ACTIVE |
| QEMETICA US Silica LLC | Westlake | 100–499 | LIKELY ACTIVE |
| Saint Charles Operations - Taft | Taft | 500+ | LIKELY ACTIVE |
| SE Tylose Louisiana, LLC | Plaquemine | 20–99 | LIKELY ACTIVE |
| SHAC-Norco, LA | Norco | 20–99 | LIKELY ACTIVE |
| Shintech Addis Plant | Addis | 20–99 | LIKELY ACTIVE |
| SII Lake Charles | Carlyss | 20–99 | LIKELY ACTIVE |
| Skyfall Biologicals, LLC | Geismar | 1–19 | LIKELY ACTIVE |
| Solstice Advanced Materials US, Inc. Geismar Plant | Geismar | 100–499 | LIKELY ACTIVE |
| Southern Region Alexandria | Alexandria | 20–99 | LIKELY ACTIVE |
| Southern Region Geismar | Geismar | 20–99 | LIKELY ACTIVE |
| Spl O&m | Cameron | 500+ | LIKELY ACTIVE |
| St. Gabriel Site | St. Gabriel | 100–499 | LIKELY ACTIVE |
| St. James | St. James | 100–499 | LIKELY ACTIVE |
| St. James | Saint James | 100–499 | LIKELY ACTIVE |
| Syensqo - Shreveport | Shreveport | 20–99 | LIKELY ACTIVE |
| Taft Acetylene Plant | Hahnville | 20–99 | LIKELY ACTIVE |
| The Scotts Company - Geismar | Geismar | 20–99 | LIKELY ACTIVE |
| The Willamette Valley Company - Site 15 | Pineville | 20–99 | LIKELY ACTIVE |
| TOTALENERGIES PETROCHEMICALS & REFINING USA, INC. Carville PS | Carville | 100–499 | LIKELY ACTIVE |
| TSRC Specialty Materials, LLC | Plaquemine | 20–99 | LIKELY ACTIVE |
| Uncle Sam | Uncle Sam | 100–499 | LIKELY ACTIVE |
| Valentra Industrials LLC | Luling | 1–19 | LIKELY ACTIVE |
| Westlake | Geismar | 100–499 | LIKELY ACTIVE |
| West Lake ASU | Westlake | 20–99 | LIKELY ACTIVE |
All chemical manufacturing nationwide · All manufacturing in Louisiana