| LTLinde - Toledo | Oregon | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| LCLiquid Carbonic Corp., Canton Asp | Canton | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MPMagnum Products | Columbus | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| MPMahoning Paint CORP | Youngstown | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MPMansfield Paint CO | Medina | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MCMason Color Works INC | East Liverpool | OH | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| MPMiami Products & Chemical CO. | Dayton | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Michelman, INC. | Sharonville | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MIMid-states Intl Motocross INC | Amherst | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MCMidwest Composites, LLC | Wapakoneta | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MFMpc - Fairborn | Fairborn | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| MIMultibase INC | Copley | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| NANachurs Alpine Solutions - Marion Plant | Marion | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| NANitto Avecia Uc Campus Labs | Cincinnati | OH | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NCNova Chemicals INC | Belpre | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| NINoveon INC | Bainbridge Township | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| OCOatey Company | Cleveland | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| OIOptiblend Industries-cambridge | Cambridge | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| OPOvation Polymer Technology and Engineered Materials | Medina | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PPPcs Purified Phosphates | Harrison | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| PDPiketon Depleted Uranium Hexafluoride (duf6) Conv | Piketon | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| P5Plant 5 | Akron | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| PAPolymer Additives - Cleveland Plant | Cleveland | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| PIPolymerics INC | Kent | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PCPolyone CORP North Baltimore | North Baltimore | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Warren | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PPPrism Powder Coatings LTD. USA | Brunswick | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PLPromerus LLC | Brecksville | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PPProtech Powder Coatings INC | Tallmadge | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| QAQuest Automotive Products | Gnadenhutten | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RWRadix Wire & Cable LLC | Aurora | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| RPReal Products Manufacturing LTD | Ney | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| RARohm and Haas Chemicals Llc- Cincinnati Plant | Cincinnati | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RARoyal Adhesives & Sealants | Chagrin Falls | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| RIRoyster-clark INC | Mount Sterling | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| RIRubbermaid INC | Wooster | OH | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| RERussell Equipment, INC. | Twinsburg | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| SLScot Labs | Chagrin Falls | OH | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SISensient Imaging Technologies INC | Piqua | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SASia Adhesives INC | Akron | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| SCSika Corporation | Cleveland | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SLSpartech LLC | Greenville | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SBStar Bronze CO * | Alliance | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SIState Industrial Products | Mayfield Heights | OH | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| SBSt. Bernard Soap Company (1431394137) | Cincinnati | OH | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| SBStewart Bros Paint CO | Alliance | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SCStillwater Coating CO. (0819070244) | Greenville | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SPStp Products Manufacturing Company | Vandalia | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TRTahoma Rubber & Plastics, INC. | Barberton | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| TAThe Andersons Maumee Complex | Maumee | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
