| SCStruktol Company of America | Cuyahoga Falls | — | ◐ LIKELY ACTIVE |
| SSSyensqo Specialty Polymers USA LLC | Marietta | — | ◐ LIKELY ACTIVE |
| TWTeva Women's Health | Cincinnati | 100–499 | ◐ LIKELY ACTIVE |
| TAThe Andersons Renewables, LLC | Greenville | — | ◐ LIKELY ACTIVE |
| TBThree Bond International INC | West Chester | 20–99 | ◐ LIKELY ACTIVE |
| TNTrammo Nitrogen Products, INC. | North Bend | — | ◐ LIKELY ACTIVE |
| TMTroy Manufacturing INC | Burton | — | ◐ LIKELY ACTIVE |
| UDUS Doe Portsmouth Gaseous Diffusion Plant - Bwcs Duf6 | Piketon | — | ◐ LIKELY ACTIVE |
| VEValicor Environmental Services | Dayton | — | ◐ LIKELY ACTIVE |
| VNVeolia North America Regeneration Services, LLC (1431350817) | North Bend | — | ◐ LIKELY ACTIVE |
| VCVibrantz Color Solutions INC | Lockland | — | ◐ LIKELY ACTIVE |
| VCVibrantz Color Solutions INC. (0204010285) | Ashtabula | — | ◐ LIKELY ACTIVE |
| VTVibrantz Technologies (1318170235) | Cleveland | — | ◐ LIKELY ACTIVE |
| WIWincom INC | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| ACAexcel Corporation (0243081231) | Mentor | — | ◐ LIKELY ACTIVE |
| ANAkzo Nobel Coatings INC | Columbus | — | ◐ LIKELY ACTIVE |
| ACAsk Chemicals LLC | Cleveland | — | ◐ LIKELY ACTIVE |
| BUBaerlocher USA LLC | Dover | — | ◐ LIKELY ACTIVE |
| BIBostik INC | Ashland | — | ◐ LIKELY ACTIVE |
| CSCairo Sulphur Products | Cairo | — | ◐ LIKELY ACTIVE |
| DIDap INC. | Tipp City | — | ◐ LIKELY ACTIVE |
| DCDay-glo Color CORP. (1318006552) | Cleveland | — | ◐ LIKELY ACTIVE |
| DPDeltech Polymers | Troy | — | ◐ LIKELY ACTIVE |
| ECEagle Chemicals, INC. | Hamilton | — | ◐ LIKELY ACTIVE |
| EIEcolab INC | Hebron | — | ◐ LIKELY ACTIVE |
| EMEmd Millipore CORP | Cincinnati | — | ◐ LIKELY ACTIVE |
| FCFerro CORP Polymer Additives Div | Cleveland | — | ◐ LIKELY ACTIVE |
| FCFerro CORP Walton Hills Ops | Walton Hills | — | ◐ LIKELY ACTIVE |
| FPFlow Polymers | Cleveland | — | ◐ LIKELY ACTIVE |
| HOHydrodec of NA LLC | Canton | — | ◐ LIKELY ACTIVE |
| IAIneos Abs (usa) LLC - Addyston Plant | Addyston | — | ◐ LIKELY ACTIVE |
| LCLyondellbasell Composites LLC (0204000133) | Conneaut | — | ◐ LIKELY ACTIVE |
| LCLyondellbasell Composites LLC (0204000133) | Conneaut | — | ◐ LIKELY ACTIVE |
| NCNova Chemicals INC | Painesville | — | ◐ LIKELY ACTIVE |
| OPOpc Polymers LLC | Columbus | — | ◐ LIKELY ACTIVE |
| PPPerstorp Polyols, INC. (0448010133) | Toledo | — | ◐ LIKELY ACTIVE |
| PCPolynt Composites Usa, INC (0322020129) | Sandusky | — | ◐ LIKELY ACTIVE |
| PIPolysource, INC. | Piqua | — | ◐ LIKELY ACTIVE |
| PGProcter & Gamble Mfg CO (0302020260) | Lima | — | ◐ LIKELY ACTIVE |
| QIQuanex Ig Systems INC Dba Quanex Custom Mixing | Cambridge | — | ◐ LIKELY ACTIVE |
| ROResearch Organics LLC Dba Safc (1318172081) | Cuyahoga Heights | — | ◐ LIKELY ACTIVE |
| RCRevlis CORP | Akron | — | ◐ LIKELY ACTIVE |
| SASaco Aei Polymers, INC. | Aurora | — | ◐ LIKELY ACTIVE |
| SCSherwin-williams CO | Cincinnati | — | ◐ LIKELY ACTIVE |
| SUSolvay USA INC | Cincinnati | — | ◐ LIKELY ACTIVE |
| SISynthomer INC. | Mogadore | — | ◐ LIKELY ACTIVE |
| TCTedia Company INC | Fairfield | — | ◐ LIKELY ACTIVE |
| WCWieland Chase Fka Chase Brass and Copper LLC | Montpelier | — | ◐ LIKELY ACTIVE |
| ANAllied Nutrients | Martins Ferry | — | ◇ UNVERIFIED |
| ARAmerican Regent INC | Hilliard | — | ◇ UNVERIFIED |