| APAztec Peroxides, INC. | Elyria | — | ◇ UNVERIFIED |
| BIBedell-Costilow, Inc | Stow | — | ◇ UNVERIFIED |
| BPBehr Process LLC - Heath Facility | Heath | — | ◇ UNVERIFIED |
| BGBoc Gases | Fostoria | — | ◇ UNVERIFIED |
| BCBorden Chemical | Cincinnati | — | ◇ UNVERIFIED |
| BBBrightmark Bridgewater Rng LLC | Montpelier | — | ◇ UNVERIFIED |
| BBBuffers & Biochemicals CORP | Loveland | — | ◇ UNVERIFIED |
| BHBulk Holdings, LLC | Aurora | — | ◇ UNVERIFIED |
| CFC2 Fibers | Zanesville | — | ◇ UNVERIFIED |
| CCCansto Coatings, LTD | Cleveland | — | ◇ UNVERIFIED |
| CCCarolina Color Corporation | Delaware | — | ◇ UNVERIFIED |
| CCb&i | Haverhill | — | ◇ UNVERIFIED |
| CNCemedine North America LLC | Cincinnati | — | ◇ UNVERIFIED |
| CChembar | Gahanna | — | ◇ UNVERIFIED |
 Chemical Solvents INC. | Cleveland | — | ◇ UNVERIFIED |
| CAChemtreat at Terminal Warehouse | Akron | — | ◇ UNVERIFIED |
| CCChemtreat C/o Tyler Moving and Storage | Dover | — | ◇ UNVERIFIED |
| CChromascape | Stow | — | ◇ UNVERIFIED |
| CDChurch & Dwight Co., INC. | Old Fort | — | ◇ UNVERIFIED |
| CICil Isotope Separations, INC. (0829100409) | Xenia | — | ◇ UNVERIFIED |
| CCinao | Fairfield | — | ◇ UNVERIFIED |
| CPCitadel Plastics | Perrysburg | — | ◇ UNVERIFIED |
| CSContinenental Structural Plastics, INC. | Van Wert | — | ◇ UNVERIFIED |
| CSContinental Structural Plastics | Carey | — | ◇ UNVERIFIED |
| CGCristal Global | Ashtabula | — | ◇ UNVERIFIED |
| CSCryogenic Services, LTD. | Canton | — | ◇ UNVERIFIED |
| CLCsii, LLC | Cleveland | — | ◇ UNVERIFIED |
| CECutting Edge Fluids Inc. | Westlake | — | ◇ UNVERIFIED |
| CMCuyahoga Molded Plastics CORP Mentor | Mentor | — | ◇ UNVERIFIED |
| DIDap INC. (0855130356) | Tipp City | — | ◇ UNVERIFIED |
| DNDeceuninck North America | Monroe | — | ◇ UNVERIFIED |
| DSDhl Supply Chain | Pataskala | — | ◇ UNVERIFIED |
| DTDial Temporary Help, INC. | Zanesville | — | ◇ UNVERIFIED |
| DWDiamond Wipes Intl INC. | Bucyrus | — | ◇ UNVERIFIED |
| DIDiversey INC Taylor Communications | Grove City | — | ◇ UNVERIFIED |
| DUDksh USA LLC at Amware Distribution Warehouse | Brookpark | — | ◇ UNVERIFIED |
| DCDolphin CO LLC | Toledo | — | ◇ UNVERIFIED |
| DCDover Chemical CORP (0679010132) | Dover | — | ◇ UNVERIFIED |
| DCDubois Chemicals | Sandusky | — | ◇ UNVERIFIED |
| DCDubois Chemicals INC. | Fairfield | — | ◇ UNVERIFIED |
| DCDupont Copley Site | Akron | — | ◇ UNVERIFIED |
| DSDupont Specialty Products USA LLC | Circleville | — | ◇ UNVERIFIED |
| DCDutchline CORP. | Millersburg | — | ◇ UNVERIFIED |
| ECEcm Chemicals, LLC | Wadsworth | — | ◇ UNVERIFIED |
| EMEl Monte Plastics, INC. | Ohio City | — | ◇ UNVERIFIED |
| EOEmery Oleochemicals LLC | Sharonville | — | ◇ UNVERIFIED |
| E3Entrotech 3401 LLC | Hilliard | — | ◇ UNVERIFIED |
| EGEsm Group, INC. | Middletown | — | ◇ UNVERIFIED |
| FRFalls River Soap Company, LLC | Chagrin Falls | — | ◇ UNVERIFIED |
| FEFarmers Ethanol LLC (0634000101) | Cadiz | — | ◇ UNVERIFIED |
