| CICoventya INC | Brooklyn Heights | OH | Chemical Manufacturing325998 | 20-99 | ◇ UNVERIFIED |
| DHDystar Hilton Davis CORP. (1431070039) | Cincinnati | OH | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| FGFlint Group North America Corporation (1409030956) | Fairfield | OH | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| MPMineral Processing (0388000025) | Crawford Twp. | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| TSThe Scotts CO LLC | Orrville | OH | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| AWAmetek Westchester Plastics | Wapakoneta | OH | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| AHAultman Hospital | Canton | OH | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| CCChempace CORP | Toledo | OH | Chemical Manufacturing325611 | 1-19 | ◇ UNVERIFIED |
| HIHoward Industries INC | Columbus | OH | Chemical Manufacturing325180 | 1-19 | ◇ UNVERIFIED |
| HEHydratech Engineered Products LLC | Cincinnati | OH | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| MPMansfield Paint CO | Medina | OH | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| MIMetaltek Industries, INC. | Springfield | OH | Chemical Manufacturing325612 | 1-19 | ◇ UNVERIFIED |
| MPM&g Polymers USA LLC | Sharon Center | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MPMiami Products & Chemical CO. | Dayton | OH | Chemical Manufacturing325998 | 20-99 | ◇ UNVERIFIED |
| PSPrime Solutions | Granville | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| RPReal Products Manufacturing LTD | Ney | OH | Chemical Manufacturing325110 | 1-19 | ◇ UNVERIFIED |
| SLSpartech LLC | Greenville | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VCVitex CORP | Cleveland | OH | Chemical Manufacturing325612 | 1-19 | ◇ UNVERIFIED |
| 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 |
