| Atlantic Alumina Gramercy Operations | Gramercy | 593.7k |
| International Paper Co - Mansfield Mill | Mansfield | 315.6k |
| Chemical Waste Management - La Ke Charles Facility | Sulphur | 51.0k |
| International Paper / Red River Mill | Campti | 45.5k |
| Westrock Cp Llc | Hodge | 22.8k |
| Roy S. Nelson Plant | Westlake | 8.8k |
| Galata Chemicals Llc - Galata Taft Facility | Hahnville | 5.5k |
| Pcs Nitrogen Fertilizer Lp | Geismar | 5.2k |
| Phillips 66 Lake Charles Refinery | Westlake | 4.2k |
| Chalmette Refining Llc | Chalmette | 3.5k |
| South Atlantic Galvanizing | Zachary | 3.1k |
| Chevron Oronite Co Llc - Oak Point Plant | Belle Chasse | 2.0k |
| Packaging Corp Of America - Deridder Mill | Deridder | 1.9k |
| Cf Industries Nitrogen Llc | Donaldsonville | 1.7k |
| Brame Energy Center | Lena | 1.5k |
| Mosaic Phosphates Co Faustina Plant | Saint James | 1.4k |
| Citgo Petroleum Corp | Sulphur | 1.1k |
| Occidental Chemical Holding Corp - Geismar Plant | Geismar | 711 |
| Metalplate Galvanizing L.p. | Roanoke | 631 |
| Azz Galvanizing - Louisiana Llc | Port Allen | 475 |
| Louisiana Integrated Polyethylene Jv Llc | Westlake | 461 |
| Abx Solutions Llc | Homer | 420 |
| Laship Llc | Houma | 406 |
| St Charles Operations (Taft/Star) Union Carbide Corp | Hahnville | 314 |
| Westlake Chemicals & Vinyls Llc | Plaquemine | 175 |
| Honeywell International Inc-Baton Rouge Plant | Baton Rouge | 166 |
| Cos-Mar Co | Carville | 165 |
| Exxonmobil Chemical Co Baton Rouge Polyolefins Plant | Baton Rouge | 155 |
| Sasol Chemicals (Usa) Llc-Lake Charles Chemical Complex | Westlake | 150 |
| Valero Refining - New Orleans Llc | Norco | 100 |
| Ingevity South Carolina Llc | Deridder | 77 |
| New Industries Llc | Morgan City | 50 |
| Totalenergies Petrochemicals & Refining Usa Inc Carville Pol | Carville | 19 |
| Mexichem Fluor Inc | Saint Gabriel | 11 |
| Cvd Ceramics Inc. | New Iberia | 8 |
| Halliburton Port Fourchon North Facility | Golden Meadow | 5 |
| Omni Speciality Packaging Inc. | Shreveport | 5 |
| Millennium Galvanizing Llc | Convent | 3 |
| Calumet Cotton Valley Refining Llc Calumet Cotton Valley | Cotton Valley | 3 |
| Carboline Global Inc. | Lake Charles | 2 |
| Bp Lubricants Usa Inc | Port Allen | 0 |
| Air Products & Chemicals Inc | Westlake | 0 |
| Albemarle Corp | Baton Rouge | 0 |
| Industrial Oils Unlimited Llc | Shreveport | 0 |
| Pilgrim's Natchitoches Feed Mill | Natchitoches | 0 |
| Purina Animal Nutrition Llc - Shreveport | Shreveport | 0 |
| Smitty's Supply Inc | Roseland | 0 |
| Purina Animal Nutrition Llc - Arcola | Roseland | 0 |
| Phillips 66 Co Gulf Coast Lubes Plant | Sulphur | 0 |
| Multi-Chem Group Geismar La Facility | Geismar | 0 |
| Air Products & Chemcials Inc Norco Smr | Norco | 0 |
| Vertex Refining La Llc | Marrero | 0 |
| Koch Methanol St. James Llc | Saint James | 0 |
| House Of Raeford Farms Of Louisiana Llc - Simsboro Poulty Fe | Simsboro | 0 |
| Halliburton Port Fourchon South Facility | Golden Meadow | 0 |
| Air Products & Chemicals Inc - Garyville Smr | Garyville | 0 |
| Certainteed Corp | Shreveport | 0 |
| Sun Coast Resources Llc | Farmerville | 0 |
| Valero Donaldsonville Asphalt Terminal | Saint James | 0 |
| Sun Coast Resources Llc | Sulphur | 0 |
| Nan Ya Plastics Corp America | Batchelor | 0 |
| Methanex Usa Services Llc | Geismar | 0 |