Sun Chemical Corporation | Cincinnati | OH | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| TATenneco Automotive - Monroe Clevite Elastomers (0322000048) | Milan | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| TCThe Continental Products Company | Euclid | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| TSThe Scotts CO LLC | Orrville | OH | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| TATower Automotive Prods INC | Upper Sandusky | OH | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| TBTrc Buyer CO. Dba the Ruscoe Company Plant Ii (1677010204) | Akron | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VSValspar Specialty Paints LLC (1576131795) | Massillon | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VPVanguard Paints & Finishes INC | Marietta | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VUVesuvius USA Corporation - Cd (1318126134) | Brookpark | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VCVwr Chemicals LLC | Aurora | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| WPWarren Plant * | Warren | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| WCWayne County Rubber INC. | Wooster | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| ZIZaclon INC | Cleveland | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
Calibrescientific Global Distribution INC | Holland | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
Eco Energy International LLC | Mansfield | OH | Chemical Manufacturing325120 | — | ◐ LIKELY ACTIVE |
| EDEspresso Diagnostics LLC | Toledo | OH | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| ICIntegris Composites, INC. | Hebron | OH | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| PSPrime Solutions | Granville | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| AAddipel | Elyria | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Cleveland Facility | Cleveland | OH | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| APAkron Polymer Systems INC | Cuyahoga Falls | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| ACAldrich Chemical Co., LLC | Miamisburg | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| ARAmerican Regent INC | New Albany | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AIAmgen Inc (Ohio) | New Albany | OH | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| APAprecia Pharmaceuticals, LLC | Mason | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ALAshland LLC | Dublin | OH | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| ACASK Chemicals LLC - Headquarters | Dublin | OH | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| BCBasf CORP Coatings Division | Whitehouse | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
Calgon Carbon - Columbus | Columbus | OH | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| CPColgate Palmolive Company | Cambridge | OH | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| CCContainer Compliance CORP | Cleveland | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| CICytec Industries, INC. | Marietta | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| DCDubois Chemicals, INC | Sharonville | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
Eastman Kodak Company | Dayton | OH | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| EMElkem Metals Company | Ashtabula | OH | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| EMEmd Millipore CORP | Norwood | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| EPEveready Products CORP | Cleveland | OH | Chemical Manufacturing325998 | — | ◐ 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 |
| FUFresenius USA Manufacturing, INC. | Oregon | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| FCFusion Ceramics INC | Carrollton | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| HIHa International LLC (0448011215) | Toledo | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HDHardy Diagnostics | Springboro | OH | Chemical Manufacturing325413 | — | ◐ 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 |