| ICIDT Coralville 2400 | Coralville | IA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ICIDT Coralville 2470 | Coralville | IA | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| ICIDT Coralville 2501 | Coralville | IA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ICIDT Coralville 2660 | Coralville | IA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ICIDT Coralville 2812 | Coralville | IA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IRIDT Raleigh | Morrisville | NC | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ISIDT San Diego | San Diego | CA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IJIFF Jacksonville, FL | Jacksonville | FL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IVIndorama Ventures - Dayton | Dayton | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IVIndorama Ventures Xylenes and PTA | Decatur | AL | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| INIneos Nitriles USA LLC | Port Lavaca | TX | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| IOIneos Oligomers | La Porte | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IOIneos Oxide | Plaquemine | LA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| INInternational N&H USA, Inc. | Newark | DE | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| IOInvista Orange Site | Orange | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IUItalmatch USA Corporation | Atlanta | GA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| IMITW Motion | Frankfort | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| JMJBT Marel Corporation (Riverside, FPT) | Riverside | CA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| KKeaau | Keaau | HI | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| KWKemira Water Solution, Inc | Marietta | GA | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| KPKetjen Pasadena | Pasadena | TX | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| KNKeystate Natural Gas Synthesis LLC | Bellefonte | PA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| KSKoppers Stickney | Stickney | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| KLKronochem La Grande LLC | La Grande | OR | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| LLanxess | Charleston | SC | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| LCLanxess Coropration - Bushy Park Site | Goose Creek | SC | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| LCLanxess Corporation - Fords, NJ | Fords | NJ | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| LLLilotree LLC | Redmond | WA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MIMacdermid, Incorporated | Waterbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MMapleton | Mapleton | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MFMapleton Facility | Mapleton | IL | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MIMatrixchem Inc, | South Londonderry | VT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MMaui | Wailuku | HI | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| MAMEGlobal Americas Inc | Sugar Land | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MAMEGlobal Americas Inc. | Freeport | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MUMethanex USA, LLC | Geismar | LA | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| MOMichigan Operations- Auburn Plant | Auburn | MI | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| MOMichigan Operations- Midland Plants | Midland | MI | Chemical Manufacturing325199 | 500+ | ◐ LIKELY ACTIVE |
| MAMid America Biofuels LLC | Mexico | MO | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MAMilliken and Company - Hickory Plant (Owensboro Specialty Polymers) | Owensboro | KY | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MCMonument Chemical Bayport | Pasadena | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MCMonument Chemical Corporate | Indianapolis | IN | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MCMonument Chemical Rollingbrook | Baytown | TX | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| MAMoxness - A Thistle Group Company | East Troy | WI | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| MMulberry | Mulberry | FL | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| MDMyco Delens LLC | Albuquerque | NM | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| NENext Energy Fuels LLC | Cincinnati | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| NSNippon Shokubai America Industries, Inc | Pasadena | TX | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| NRNorthern Region La Grande | Island City | OR | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| NRNorthern Region Missoula | Missoula | MT | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |