| C4Cbi 4800 | Independence | — | ◇ UNVERIFIED |
| CDChemstation Dayton | Dayton | — | ◇ UNVERIFIED |
| CLChemtrade Logistics INC * | Cleveland | — | ◇ UNVERIFIED |
| CSChemtrade Solutions- Toledo Water | Toledo | — | ◇ UNVERIFIED |
| CPChester Packaging, LLC | Cincinnati | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | — | ◇ UNVERIFIED |
| CICintech Industrial Coatings | Cincinnati | — | ◇ UNVERIFIED |
| CHClestra Hauserman INC. Div. of Steelcase | Solon | — | ◇ UNVERIFIED |
| CCCleveland Central Enterprises | Cleveland | — | ◇ UNVERIFIED |
| CPClorox Product Manufacturing CO. | Cleveland | — | ◇ UNVERIFIED |
| CRColor Resolutions Intl | Cincinnati | — | ◇ UNVERIFIED |
| CPContinental Products CO | Cleveland | — | ◇ UNVERIFIED |
| CCCore Composites Cincinnati, LLC (1413020248) | Batavia | — | ◇ UNVERIFIED |
| CLCovestro LLC (0145020221) | Hebron | — | ◇ UNVERIFIED |
| CCCp Chemicals Group LP | Wickliffe | — | ◇ UNVERIFIED |
| CRCrest Rubber Company | Ravenna | — | ◇ UNVERIFIED |
| CICustom-pak, INC. | Cleveland | — | ◇ UNVERIFIED |
| CICustompak INC | Medina | — | ◇ UNVERIFIED |
| DIDacar Industries INC | East Liverpool | — | ◇ UNVERIFIED |
| DIDap INC | Dayton | — | ◇ UNVERIFIED |
| DFDeerfield Farms Service, INC. | Deerfield | — | ◇ UNVERIFIED |
| DLDeflecto LLC | Dover | — | ◇ UNVERIFIED |
| DPDu Pont Cleveland Refinish Service Center | Garfield Heights | — | ◇ UNVERIFIED |
| DEDupont E I Denemours & CO | Toledo | — | ◇ UNVERIFIED |
| ENEftec North America LLC | Dayton | — | ◇ UNVERIFIED |
| EIEliokem INC | Akron | — | ◇ UNVERIFIED |
| EAEnergizer Auto Manufacturing INC | Vandalia | — | ◇ UNVERIFIED |
| EMEngineered Materials Systems INC | Delaware | — | ◇ UNVERIFIED |
| FLFdie, LLC | Cleveland | — | ◇ UNVERIFIED |
| FPFirestone Polymers Pilot Plant | Akron | — | ◇ UNVERIFIED |
| FHFirst Highland Mgmt & Devel CORP (1431420875) | Cincinnati | — | ◇ UNVERIFIED |
| FGFlint Group Packaging Inks North America Corporation | West Chester | — | ◇ UNVERIFIED |
| FPFlorida Production Engineering - Circleville (0165010087) | Circleville | — | ◇ UNVERIFIED |
| FPFresh Products LLC | Toledo | — | ◇ UNVERIFIED |
| FCFusion Ceramics INC | Carrollton | — | ◇ UNVERIFIED |
| FIFusion INC Plant Two | Willoughby | — | ◇ UNVERIFIED |
| GEGe Engine Services INC Acsc/c Rdc | Cincinnati | — | ◇ UNVERIFIED |
| GCGeneral Color & Chemical CO | Minerva | — | ◇ UNVERIFIED |
| GEGeneral Electric(coshocton Plant) | Coshocton | — | ◇ UNVERIFIED |
| GLGeneral Latex & Chemical CORP | Ashland | — | ◇ UNVERIFIED |
| GIGranite Inliner, LLC | Hilliard | — | ◇ UNVERIFIED |
| GDGreenbrier Development LLC | Cleveland | — | ◇ UNVERIFIED |
| HIHa International LLC | Toledo | — | ◇ UNVERIFIED |
| HCHess & Clark INC | Ashland | — | ◇ UNVERIFIED |
| HIHoward Industries INC | Columbus | — | ◇ UNVERIFIED |
| HIHunt Imaging LLC | Berea | — | ◇ UNVERIFIED |
| HEHydratech Engineered Products LLC | Cincinnati | — | ◇ UNVERIFIED |
| HCHyponex Corporation-hyponex CORP | Shreve | — | ◇ UNVERIFIED |
| HCHytek Coatings, INC. (1409010844) | Middletown | — | ◇ UNVERIFIED |
| IAImperial Adhesives INC | Cincinnati | — | ◇ UNVERIFIED |
