| SPStp Products Manufacturing Company | Vandalia | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
Sun Chemical | Cincinnati | OH | Chemical Manufacturing325910 | — | ◐ LIKELY ACTIVE |
| TPThe Proctor and Gamble Company | Cincinnati | OH | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| TSTrinity Specialty Compounding INC | West Unity | OH | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| WHWampum Hardware CO. | Salesville | OH | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| 3C3m CO Grove City Ac&s | Grove City | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| 3E3m Elyria | Elyria | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AGAga Gas INC | Twinsburg | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ARAgg Rok Materials, Div of W.s.g. | Columbus | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| AUAirgas USA LLC - Canton Asu | Canton | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ALAir Liquide America CORP Oregon Cdx * | Oregon | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| APAir Plastics INC. | Mason | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| APAir Products, Middletown,oh | Middletown | OH | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ANAkzo Nobel Coatings, INC. | Springfield | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AAlchem | Mentor | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AIAlkermes INC | Wilmington | OH | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ACAllied Chemical & Ironton Coke | Ironton | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| AAmcor | Medina | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AFAmerican Future Fuels Facility | Lima | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| AJAndrew Jergens CO | Cincinnati | OH | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| APArvesta Perry Plant | Perry | OH | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ASA Schulman INC | Stryker | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ASA Schulman INC Specialty Compounding Div | Sharon Center | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ACAsk Chemicals LP | Cuyahoga Heights | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| AAAvient Advanced Dispersions | Massillon | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BCBasf Corporation | Cleveland | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BTBasf Toda America LLC (0247042020) | Elyria | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| BCBetco CORP | Toledo | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BCBondo/mar-hyde CORP * | Cincinnati | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CMCansto Manufacturers of Coatings | Cleveland | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| C4Cbi 4800 | Independence | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CLChemtrade Logistics INC * | Cleveland | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CPChester Packaging, LLC | Cincinnati | OH | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CICintech Industrial Coatings | Cincinnati | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CHClestra Hauserman INC. Div. of Steelcase | Solon | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CCCleveland Central Enterprises | Cleveland | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CPClorox Product Manufacturing CO. | Cleveland | OH | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CRColor Resolutions Intl | Cincinnati | OH | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| CPContinental Products CO | Cleveland | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CCCore Composites Cincinnati, LLC (1413020248) | Batavia | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CLCovestro LLC (0145020221) | Hebron | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| CCCp Chemicals Group LP | Wickliffe | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CRCrest Rubber Company | Ravenna | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| CICustom-pak, INC. | Cleveland | OH | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CICustompak INC | Medina | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| DIDacar Industries INC | East Liverpool | OH | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| DIDap INC | Dayton | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| DEDavid E Easterday and CO INC | Wilmot | OH | Chemical Manufacturing325510 | 20-99 | ◇ UNVERIFIED |
| DFDeerfield Farms Service, INC. | Deerfield | OH | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |