| SLSpartech LLC | Greenville | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VCVitex CORP | Cleveland | OH | Chemical Manufacturing325612 | 1-19 | ◇ UNVERIFIED |
| AAddipel | Elyria | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Cleveland Facility | Cleveland | OH | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| ACAldrich Chemical Co., LLC | Miamisburg | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| ALAlpont LLC | Oregon | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ARAmerican Regent INC | New Albany | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AIAmgen Inc (Ohio) | New Albany | OH | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| AIAML Industries Inc | Warren | OH | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| APAprecia Pharmaceuticals, LLC | Mason | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AAArchitectural and Industrial Metal Finishing Co., LLC | Vermilion | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| ALAshland LLC | Dublin | OH | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| BCBasf CORP Coatings Division | Whitehouse | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| BIBoehringer Ingelheim Pharmaceuticals - Columbus, OH | Columbus | OH | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
Calgon Carbon - Columbus | Columbus | OH | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| CCContainer Compliance CORP | Cleveland | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| CICytec Industries, INC. | Marietta | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
Eastman Kodak Company | Dayton | OH | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| EMEmd Millipore CORP | Norwood | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| FPFairfield Plant | Fairfield | OH | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| FGFlint Group Pigments | Cincinnati | OH | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| FBFluor - Bwxt Portsmouth LLC | Piketon | OH | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| FBForge Biologics | Grove City | OH | Chemical Manufacturing325414 | 100-499 | ◐ LIKELY ACTIVE |
| FMFresenius Medical Care Oregon Manufacturing | Oregon | OH | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| HIHa International LLC (0448011215) | Toledo | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HDHardy Diagnostics | Springboro | OH | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| HEHilltop Energy, Inc | Mineral City | OH | Chemical Manufacturing325920 | 20-99 | ◐ LIKELY ACTIVE |
Huntsman Advanced Materials Americas LLC | Akron | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| ITIndependence Technology Center | Independence | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| IRIndustrial Recyclers, LLC | Sidney | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| IPInternational Paper Marysville Ink | Marysville | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| KGKdc/one Groveport | Groveport | OH | Chemical Manufacturing325620 | 500+ | ◐ LIKELY ACTIVE |
Malco Products, Inc. Akron | Akron | OH | Chemical Manufacturing325612 | 20-99 | ◐ LIKELY ACTIVE |
| MRMechanical Rubber Ohio, LLC | Strongsville | OH | Chemical Manufacturing325212 | 1-19 | ◐ LIKELY ACTIVE |
| MAMonroe Alfrebro, LLC | Monroe | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| NCNational Colloid Company | Steubenville | OH | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| NNicquid | Miamisburg | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| NPNippon Paint Automotive Americas, Inc. - Cleveland | Cleveland | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| OEOctal Extrusions Corporation | West Chester | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| PPPatheon Pharmaceuticals, INC. | Cincinnati | OH | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| PLPharmavite LLC | New Albany | OH | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| P5Plant 5 | Akron | OH | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| PIPlasti-kote INC | Medina | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| PIPpg Industries INC | Milford | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| PSPpg - South Plant | Barberton | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| PGProcter & Gamble CO | Cincinnati | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| PPProgressive Powder Coating, INC. | Mentor | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| PPProtech Powder Coatings Inc. | Strongsville | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| QIQualico, INC. | Cleveland | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| RCRhetech Colors | Sandusky | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |