Reg Geismar, LLC | Geismar | 100–499 | ● ACTIVE |
| IIInnophos INC - Innophos Geismar Plant | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| BCBasf CORP - Geismar Site | Geismar | — | ◐ LIKELY ACTIVE |
| BDBasf Dnt Plant | Geismar | — | ◐ LIKELY ACTIVE |
| CICf Industries - Donaldsonville Nitrogen Complex | Donaldsonville | — | ◐ LIKELY ACTIVE |
| GMGeismar Methanol Plant | Geismar | — | ◐ LIKELY ACTIVE |
| HIHoneywell International INC - Geismar Complex | Geismar | — | ◐ LIKELY ACTIVE |
| LILinde INC - Linde Geismar Hyco Facility 595 | Geismar | — | ◐ LIKELY ACTIVE |
| LCLion Copolymer Geismar LLC - Geismar Facility | Geismar | — | ◐ LIKELY ACTIVE |
| NBNexpera Burnside Plant | Darrow | — | ◐ LIKELY ACTIVE |
| NCNova Chemicals Olefins LLC - Geismar Ethylene Plant | Geismar | — | ◐ LIKELY ACTIVE |
| OCOccidental Chemical Corporation - Geismar Facility | Geismar | — | ◐ LIKELY ACTIVE |
| RLRubicon LLC - Geismar Facility | Geismar | — | ◐ LIKELY ACTIVE |
| SCShell Chemical LP - Geismar Plant | Geismar | — | ◐ LIKELY ACTIVE |
| WVWestlake Vinyls CO LP - Geismar Facility | Geismar | — | ◐ LIKELY ACTIVE |
| MSMomentive Specialty Chemicals INC - Formaldehyde Plant | Geismar | — | ◐ LIKELY ACTIVE |
| PNPcs Nitrogen Fertilizer LP - Geismar Agricultural Nitrogen & Phosphate Plant | Geismar | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC - Geismar 3 Hyco Smr Plant | Geismar | — | ◐ LIKELY ACTIVE |
| CBChemtech/chem Blend | Geismar | — | ◐ LIKELY ACTIVE |
| ALAir Liquide America CORP | Geismar | — | ◐ LIKELY ACTIVE |
| APAir Products & Chemicals INC - Syngas Plant | Geismar | — | ◐ LIKELY ACTIVE |
| NLNexpera LLC - Nexpera-burnside Facility | Darrow | — | ◐ LIKELY ACTIVE |
| WIWestern International Gas | Geismar | — | ◐ LIKELY ACTIVE |
| APAir Products Chemicals INC | Geismar | — | ◇ UNVERIFIED |
| AFAmpro Fertilizer INC | Donaldsonville | — | ◇ UNVERIFIED |
| CCChemtura CORP - Gonzales H M & Bailey Property Aka Spedale Landfill | Gonzales | — | ◇ UNVERIFIED |
| GCGabriel Chemicals LLC - Csa Plant | Geismar | — | ◇ UNVERIFIED |
| HIHexion INC - Geismar Facility | Geismar | — | ◇ UNVERIFIED |
| MGMulti-chem Group LLC - Geismar Facility | Geismar | — | ◇ UNVERIFIED |
| PIPraxair INC - Syngas Separation Unit | Geismar | — | ◇ UNVERIFIED |
| TMTerra Mississippi Nitrogen INC. | Donaldsonville | — | ◇ UNVERIFIED |
| TMTerra Mississippi Nitrogen (melamine Facility) | Donaldsonville | — | ◇ UNVERIFIED |
| BBasf | Geismar | 500+ | ◐ LIKELY ACTIVE |
| GGonzales | Gonzales | 20–99 | ◐ LIKELY ACTIVE |
| LGLinde Geismar HYCO | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| LPLinde Pelican | Geismar | 1–19 | ◐ LIKELY ACTIVE |
| LCLion Copolymer Geismar, LLC | Geismar | 100–499 | ◐ LIKELY ACTIVE |
| MUMethanex USA, LLC | Geismar | 100–499 | ◐ LIKELY ACTIVE |
| MGMulti-Chem Group, LLC - Geismar | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| NBNexpera - Burnside | Darrow | 20–99 | ◐ LIKELY ACTIVE |
| RLRubicon, L.L.C | Geismar | 100–499 | ◐ LIKELY ACTIVE |
| SRSouthern Region Geismar | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Geismar | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| VCValentra Chemicals LLC | Geismar | 20–99 | ◐ LIKELY ACTIVE |
| WWestlake | Geismar | 100–499 | ◐ LIKELY ACTIVE |
| ASAa Sulfuric CORP - Sulfuric Acid Plant | Geismar | — | ◇ UNVERIFIED |
| APAir Products Geismar 3 | Geismar | — | ◇ UNVERIFIED |
| APAir Products - Geismar 3 Hyco | Geismar | — | ◇ UNVERIFIED |
| IIInnophos, INC. | Geismar | — | ◇ UNVERIFIED |
| PIPraxair Inc/geismar Hyco Facility | Geismar | — | ◇ UNVERIFIED |