| DPDupont Pontchartrain Site | Laplace | 100–499 | ● ACTIVE |
| EBExxonmobil Baton Rouge Chemical Plant | Baton Rouge | 500+ | ● ACTIVE |
| EBExxonmobil Baton Rouge Plastics Plant | Baton Rouge | 100–499 | ● ACTIVE |
| HIHoneywell International INC - Baton Rouge Plant | Baton Rouge | 100–499 | ● ACTIVE |
| LILouisiana Integrated Polyethylene Jv LLC | Westlake | 100–499 | ● ACTIVE |
Placid Refining Company LLC | Port Allen | 100–499 | ● ACTIVE |
Reg Geismar, LLC | Geismar | 100–499 | ● ACTIVE |
| SCSasol Chemicals (usa) LLC - Lake Charles Chemical Complex | Westlake | 500+ | ● ACTIVE |
| SPShintech Plaquemine Plant | Plaquemine | 500+ | ● ACTIVE |
| TCTokai Carbon Cb LTD - Addis Facility | Addis | 20–99 | ● ACTIVE |
Wechem INC | New Orleans | 20–99 | ● ACTIVE |
| WCWestlake Chemicals & Vinyls LLC | Westlake | 20–99 | ● ACTIVE |
Advance Products & Systems LLC | Scott | — | ● ACTIVE |
American Screening L.l.c. | Shreveport | — | ● ACTIVE |
Calca Solutions, LLC | Westlake | — | ● ACTIVE |
Cornerstone Chemical Company, LLC | Waggaman | — | ● ACTIVE |
Esgard INC | Scott | — | ● ACTIVE |
Goex Industries LLC | Minden | 20–99 | ● ACTIVE |
| KMKoch Methanol St. James | Saint James | 100–499 | ● ACTIVE |
2 Cute 2 Swagg LLC | Harvey | — | ● ACTIVE |
Allen Girl's Sisterly Enterprise LLC | Baton Rouge | — | ● ACTIVE |
Archem, LLC | Shreveport | — | ● ACTIVE |
Bayou Biolabs, L.l.c. | Metairie | — | ● ACTIVE |
Biomedical Research Foundation of Northwest Louisiana | Shreveport | — | ● ACTIVE |
Blackbeard Ordnance and Munitions LLC | Shreveport | — | ● ACTIVE |
Cajun Kleen Products, LLC | West Monroe | — | ● ACTIVE |
Delta Coatings and Linings, INC | Baton Rouge | — | ● ACTIVE |
Ebony's Beauty Hair and Skin Care LLC | Sunset | — | ● ACTIVE |
Element 25 Louisiana LLC | Denham Springs | — | ● ACTIVE |
Gaylord Chemical Company LLC | Covington | — | ● ACTIVE |
Healing Pharma USA LLC | Shreveport | — | ● ACTIVE |
Isoflex Radioactive LLC | Saint Rose | — | ● ACTIVE |
| JSJmn Specialties, INC. | Westwego | — | ● ACTIVE |
Mexichem Fluor INC. | Saint Gabriel | — | ● ACTIVE |
Novaspark Energy Corporation | Ruston | — | ● ACTIVE |
| RBRed Ball Oxygen Co., INC. | Shreveport | — | ● ACTIVE |
Simco Coatings INC | Belle Chasse | — | ● ACTIVE |
Solubiomix, LLC | Madisonville | — | ● ACTIVE |
Tech 21 LLC | Covington | — | ● ACTIVE |
Temp Coat Brand Products LLC | Covington | — | ● ACTIVE |
Tides Medical, LLC | Lafayette | — | ● ACTIVE |
Ucore North America, LLC | Alexandria | — | ● ACTIVE |
West Sanitation Services INC | Baton Rouge | — | ● ACTIVE |
| APAir Products & Chemicals INC (new Orleans La Facility) | New Orleans | 20–99 | ◐ LIKELY ACTIVE |
| ACAlbemarle CORP - Process Development Center | Baton Rouge | 100–499 | ◐ LIKELY ACTIVE |
| AUArclin USA LLC | Dodson | 20–99 | ◐ LIKELY ACTIVE |
| CCCabot CORP - Ville Platte Plant | Ville Platte | 100–499 | ◐ LIKELY ACTIVE |
| CCComplex Chemicals CO INC | Tallulah | 100–499 | ◐ LIKELY ACTIVE |
| DGDiamond Green Diesel | Norco | 100–499 | ◐ LIKELY ACTIVE |
| IIInnophos INC - Innophos Geismar Plant | Geismar | 20–99 | ◐ LIKELY ACTIVE |