| DCDay-glo Color CORP. (1318006552) | Cleveland | — | ◐ LIKELY ACTIVE |
| DIDegussa Initiators INC | Elyria | — | ◐ LIKELY ACTIVE |
| DCDetrex Corporation, Ashtabula Plant (0204010192) | Ashtabula | — | ◐ LIKELY ACTIVE |
| DCDorn Color, INC. | Cleveland | 20–99 | ◐ LIKELY ACTIVE |
Dow Chemical Company - Ironton, Ohio Branch | Ironton | — | ◐ LIKELY ACTIVE |
| DCDubois Chemicals, INC | Sharonville | — | ◐ LIKELY ACTIVE |
| DEDupont Electronic Polymers | Dayton | — | ◐ LIKELY ACTIVE |
| DCDurez Corporation - Kenton Facility | Kenton | — | ◐ LIKELY ACTIVE |
| EPEmerald Polymer Additives, LLC | Akron | — | ◐ LIKELY ACTIVE |
| FFinishworks | Millersburg | — | ◐ LIKELY ACTIVE |
| FCFusion Ceramics INC | Carrollton | 20–99 | ◐ LIKELY ACTIVE |
| GCGebauer Company (1318002664) | Cleveland | — | ◐ LIKELY ACTIVE |
| GPGeon Performance Solutions | Avon Lake | 20–99 | ◐ LIKELY ACTIVE |
| GIGojo Industries LLC | Cuyahoga Falls | — | ◐ LIKELY ACTIVE |
| GMGuardian Manufacturing Company, LLC | Willard | — | ◐ LIKELY ACTIVE |
| HFHb Fuller CO | Blue Ash | — | ◐ LIKELY ACTIVE |
| HAHuntsman Advanced Materials - Ashtabula | Ashtabula | — | ◐ LIKELY ACTIVE |
| IAIneos Abs (usa) LLC - Addyston Plant | Addyston | — | ◐ LIKELY ACTIVE |
| IUIneos USA LLC | Lima | — | ◐ LIKELY ACTIVE |
| ICIntegris Composites, INC. | Hebron | 100–499 | ◐ LIKELY ACTIVE |
| ICIsp Chemicals INC | Columbus | — | ◐ LIKELY ACTIVE |
| IEItw Evercoat, a Division of Iiiinois Tool Works, INC. (1431053385) | Blue Ash | — | ◐ LIKELY ACTIVE |
| JWJ.C. Whitlam Manufacturing Company | Wadsworth | 20–99 | ◐ LIKELY ACTIVE |
| KCKalcor Coatings CO | Willoughby | — | ◐ LIKELY ACTIVE |
| KGKdc/one Groveport | Groveport | 500+ | ◐ LIKELY ACTIVE |
| KRKey Resin Company | Batavia | 20–99 | ◐ LIKELY ACTIVE |
| LILinde INC | Ashtabula | 20–99 | ◐ LIKELY ACTIVE |
| LALubrizol Advanced Materials | Avon Lake | — | ◐ LIKELY ACTIVE |
| LALyondellbasell Advanced Polymers INC. (1677011002) | Akron | — | ◐ LIKELY ACTIVE |
| MCMorral Companies LLC | Morral | 100–499 | ◐ LIKELY ACTIVE |
| NCNagase Chemtex America | Delaware | 20–99 | ◐ LIKELY ACTIVE |
| NANpa Automotive Finishes & Films | Cleveland | — | ◐ LIKELY ACTIVE |
| PHPerformance Health | Akron | — | ◐ LIKELY ACTIVE |
| PCPeter Cremer North America - South Terminal | Cincinnati | 100–499 | ◐ LIKELY ACTIVE |
| PPPet Processors, L.l.c. (0243000165) | Painesville | — | ◐ LIKELY ACTIVE |
| PCPolynt Composites Usa, INC (0322020129) | Sandusky | — | ◐ LIKELY ACTIVE |
| PIPpg Industries | Circleville | — | ◐ LIKELY ACTIVE |
| PIPpg Industries, Barberton | Barberton | — | ◐ LIKELY ACTIVE |
| PPP&t Products INC | Sandusky | 20–99 | ◐ LIKELY ACTIVE |
| RDRemuriate Delta LLC | Delta | — | ◐ LIKELY ACTIVE |
Renegade Materials Corporation | Miamisburg | 20–99 | ◐ LIKELY ACTIVE |
| RARevlis - Akron | Akron | 20–99 | ◐ LIKELY ACTIVE |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | — | ◐ LIKELY ACTIVE |
| RORutgers Organics CORP | Harrison | — | ◐ LIKELY ACTIVE |
| SESew Eurodrive | Troy | 100–499 | ◐ LIKELY ACTIVE |
| SMShepherd Middletown Company | Middletown | — | ◐ LIKELY ACTIVE |
| SSShin-Etsu Silicones of America, Inc. Damar | Akron | 100–499 | ◐ LIKELY ACTIVE |
| SSinkro | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| SCStruktol Company of America | Cuyahoga Falls | — | ◐ LIKELY ACTIVE |
| SCStruktol Company of America (1) | Stow | 100–499 | ◐ LIKELY ACTIVE |