| AIAmerichem INC Scp | Cuyahoga Falls | — | ◇ UNVERIFIED |
| ASA Schulman INC | Bellevue | — | ◇ UNVERIFIED |
| BCBakelite Chemicals LLC | Columbus | — | ◇ UNVERIFIED |
| BPBecker Powder Coatings INC | Grove City | — | ◇ UNVERIFIED |
| BIBostik INC | Columbus | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Berea | — | ◇ UNVERIFIED |
| CUChemspec USA LLC | Orrville | — | ◇ UNVERIFIED |
| CCCin Chem Pro, LLC | Batavia | — | ◇ UNVERIFIED |
| CMColor Matrix CORP | Berea | — | ◇ UNVERIFIED |
| CCColumbia Chemica CORP | Brunswick | — | ◇ UNVERIFIED |
| CICoventya INC | Brooklyn Heights | — | ◇ UNVERIFIED |
| CHCp Hall Co, the | Stow | — | ◇ UNVERIFIED |
| DIDamon Industries INC | Alliance | — | ◇ UNVERIFIED |
| DSDdp Specialty Electronic Materials US 5, LLC (0868090072) | West Alexandria | — | ◇ UNVERIFIED |
| DIDudick INC | Streetsboro | — | ◇ UNVERIFIED |
| DEDupont Electronic Polymers | Dayton | — | ◇ UNVERIFIED |
| DUDynea USA INC | Toledo | — | ◇ UNVERIFIED |
| DHDystar Hilton Davis CORP. (1431070039) | Cincinnati | — | ◇ UNVERIFIED |
| EAEvans Adhesive Corporation, LTD | Columbus | — | ◇ UNVERIFIED |
| EPExcel Polymers LLC | Burton | — | ◇ UNVERIFIED |
| FCFerro CORP | Orrville | — | ◇ UNVERIFIED |
| FGFlint Group North America Corporation (1409030956) | Fairfield | — | ◇ UNVERIFIED |
| FGFlint Group Packaging Ink (1483060398) | Lebanon | — | ◇ UNVERIFIED |
| FPFlow Polymers INC * | Cleveland | — | ◇ UNVERIFIED |
| FIFranklin International Polymer Plant | Columbus | — | ◇ UNVERIFIED |
 Gfs Chemicals INC | Columbus | — | ◇ UNVERIFIED |
| GKGold Key Processing LTD | Middlefield | — | ◇ UNVERIFIED |
| GTGoodyear Tire & Rubber CO Akron Technical Center | Akron | — | ◇ UNVERIFIED |
| HPHarrison Paint CO | Canton | — | ◇ UNVERIFIED |
| HFHb Fuller CO | Blue Ash | — | ◇ UNVERIFIED |
| HUHenkel US Operations Corporation | Cleveland | — | ◇ UNVERIFIED |
| IEItw Evercoat, a Division of Iiiinois Tool Works, INC. (1431053385) | Cincinnati | — | ◇ UNVERIFIED |
| JJJci Jones Chemicals INC | Barberton | — | ◇ UNVERIFIED |
| LLaird | Cleveland | — | ◇ UNVERIFIED |
| MCMexichem Chloro-vinyl - Avon Lake Facility | Avon Lake | — | ◇ UNVERIFIED |
| MIMilacron INC Consumable Prods Div | Cincinnati | — | ◇ UNVERIFIED |
| MPMineral Processing (0388000025) | Crawford Twp. | — | ◇ UNVERIFIED |
| NMNof Metal Coatings North America INC | Chardon | — | ◇ UNVERIFIED |
| PHPharmacia Hepar INC | Franklin | — | ◇ UNVERIFIED |
| PCPilot Chemical Company of Ohio Lockland Plant | Lockland | — | ◇ UNVERIFIED |
| PCPolyone CORP | Norwalk | — | ◇ UNVERIFIED |
 Ppg Architectural Finishes, INC. | Huron | — | ◇ UNVERIFIED |
| PEPpg Euclid Pretreatment & Specialty Prods | Euclid | — | ◇ UNVERIFIED |
| PIPpg Inds INC | Strongsville | — | ◇ UNVERIFIED |
| PIPpg Industries Ohio INC | Cleveland | — | ◇ UNVERIFIED |
 Ques Industries INC | Cleveland | — | ◇ UNVERIFIED |
| RCRevlis Corporation | Akron | — | ◇ UNVERIFIED |
| RCRhein Chemie CORP | Chardon | — | ◇ UNVERIFIED |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | — | ◇ UNVERIFIED |
| RSRossborough Supply Src Div | Cleveland | — | ◇ UNVERIFIED |
