| OBOlin - Blue Cube Operations, LLC | Plaquemine | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OCOlin CORP Lake Charles Plant | Westlake | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| OEOrion Engineered Carbons, LLC. | Franklin | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PLParadigm Labs INC | Saint Gabriel | LA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| PHPerfect Health LLC | Ponchatoula | LA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PCPermanent Coatings INC | Denham Springs | LA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| P6Phillips 66 Alliance Refinery | Belle Chasse | LA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| PEPiazza Enterprises LLC Dba Piazza's Topgun Coatings of La | Laplace | LA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PGPlains Gas Solutions, LLC | Eunice | LA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PCPotash CORP. | Geismar | LA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| PIPraxair Inc/geismar Hyco Facility | Geismar | LA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PIPraxair, INC - Praxair Geismar Ssu Plant | Geismar | LA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| PIPraxair INC - Sulphur Hydrogen Mfg Facility | Sulphur | LA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| QTQuanta Technologies LLC - Lacassine Site | Lacassine | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| RLRamvet LLC | Ponchatoula | LA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| RLRhino Linings of Louisiana | Baton Rouge | LA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| RCRiver City Termite & Pest Control, Inc. | Holden | LA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| RLRubicon LLC | Baton Rouge | LA | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| SSSafeguard Self Storage | Metairie | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Safesource Direct, L.l.c - Nbr Plant | Broussard | LA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| SCSimsboro Coating Services, LLC | Simsboro | LA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SLSLAP Luxury Products, LLC | Thibodaux | LA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SSSochem Solutions, INC. | Gonzales | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Southern Ionics INC - Lake Charles Port Operations | Lake Charles | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SIStarling INC | Denham Springs | LA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SGSt Gabriel Holdings LLC - St Gabriel Site | Saint Gabriel | LA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| THTaminco Higher Amines Inc/st. Gabriel | Saint Gabriel | LA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| TPTangi Pac LLC | Ponchatoula | LA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| TTTemple-inland #3 Tank Battery | Buhler | LA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| TDThe Dow Chemical Company | Plaquemine | LA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
 Thermo Fisher Scientific, INC. | Lake Charles | LA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| TITurner Industries Group, LLC | Geismar | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UHUop Honeywell | Baton Rouge | LA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| ULUop LLC | Baton Rouge | LA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| WPWestlake Petrochemicals LP - Ethylene Manufacturing Complex (petro I/petro Ii) | Sulphur | LA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| WVWestlake Vinyls CO LP | Geismar | LA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| WOWilliams Olefins, LLC | Geismar | LA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| WSWrist Ship Supply | Harahan | LA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
