| CPColumbia Paint CO. | Huntington | WV | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| PAProcter and Gamble Tabler Station | Inwood | WV | Chemical Manufacturing325611 | 500+ | ◐ LIKELY ACTIVE |
| SUStockmeier Urethanes Usa, INC | Clarksburg | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| APAdell Polymers, INC. | Petersburg | WV | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| ATAlliant Techsystems Operations Llc, Allegany Ballistics | Rocket Center | WV | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| APApg Polytech LLC | Apple Grove | WV | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| BMBayer Materialscience | New Martinsville | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
Braskem America Neal Plant | Kenova | WV | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| EIEcolab INC | Martinsburg | WV | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| KMKingsford Manufacturing Company, Beryl | Piedmont | WV | Chemical Manufacturing325191 | — | ◐ LIKELY ACTIVE |
| SGSi Group INC - South Plant | Morgantown | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SPStar Plastics, INC. | Millwood | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SPStar Plastics, Llc, Ravenswood | Ravenswood | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UCUnion Carbide Corporation, Institute Plant | Institute | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| UCUnion Carbide CORP -so Charleston Fac. | South Charleston | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| UCUnion Carbide CORP Technology Park | Charleston | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| UMUS Methanol Llc, Liberty One Methanol Plant | Nitro | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| WNWestlake Natrium Llc, Westlake Natrium | Proctor | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| AIAc&s INC | Nitro | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| APApg Polytech, Llc, Apple Grove Plant | Apple Grove | WV | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| ANAshland Neal Plant | Kenova | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| CICytec Industries, Inc., Willow Island | Willow Island | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| MSMpm Silicones LLC | Friendly | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| UTUnivation Technologies LLC - Catalyst Plant | South Charleston | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ACA, C, and S INC. | Nitro | WV | Chemical Manufacturing325110 | 20-99 | ◐ LIKELY ACTIVE |
| CWCelanese - Washington Works | Washington | WV | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| CLCovestro LLC | Proctor | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| EDEmpire Diversified Energy LLC | Follansbee | WV | Chemical Manufacturing325194 | — | ◐ LIKELY ACTIVE |
| IWInnovative Water Care LLC (formerly Clearon Corporation) | South Charleston | WV | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| KMKenton Meadows - Fast Fuel Food Stores INC | Gassaway | WV | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| MUMinova USA INC | Bluefield | WV | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| NNewchem | New Cumberland | WV | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| PSPhoenix Solutions, LLC | Morgantown | WV | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| SPSpecialty Products Us, LLC - Polyox Plant | Institute | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| UCUnion Carbide Corporation-institute | Institute | WV | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| AEAllegheny Energy Pleasants Power Station | Belmont | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ASAltivia Services, Llc, Institute Plant | Dunbar | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ESElementis Specialties - New Martinsville Plant | Proctor | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| GWGlyeco West Virginia INC - Recovery Solutions & Technologies INC | Nitro | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| GCGoodrich Corporation, Union | Union | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| M3Mc (us) 3 Llc, Glutaraldehyde Plant | Dunbar | WV | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| MPMylan Pharmaceuticals, Inc., Morgantown | Morgantown | WV | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| SISabic Innovative Plastics US LLC | Washington | WV | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| SOSf Opco, Llc, Reedsville | Reedsville | WV | Chemical Manufacturing325221 | — | ◐ LIKELY ACTIVE |
| UCUnion Carbide Corporation - Ucc Technology Park Operations | South Charleston | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| WVWest Virginia Methanol, Inc, Pleasants County | Saint Marys | WV | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| YIYunigen INC. | Morgantown | WV | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AMA&M Manufacturing Co | Martinsburg | WV | Chemical Manufacturing325998 | 100-499 | ◐ LIKELY ACTIVE |
Austin Powder Appalachia LLC - Mt. Hope | Mount Hope | WV | Chemical Manufacturing325920 | 20-99 | ◐ LIKELY ACTIVE |
| APAutomated Packaging Systems LLC of Sealed Air | Keyser | WV | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |