| DCDay-glo Color CORP. (1318006552) | Cleveland | OH | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
| DIDegussa Initiators INC | Elyria | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| DCDetrex Corporation, Ashtabula Plant (0204010192) | Ashtabula | OH | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| DCDorn Color, INC. | Cleveland | OH | Printing and Related Support Activities323110 | 20-99 | ◐ LIKELY ACTIVE |
Dow Chemical Company - Ironton, Ohio Branch | Ironton | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| DCDubois Chemicals, INC | Sharonville | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| DEDupont Electronic Polymers | Dayton | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| DCDurez Corporation - Kenton Facility | Kenton | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| EPEmerald Polymer Additives, LLC | Akron | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| FFinishworks | Millersburg | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| FCFusion Ceramics INC | Carrollton | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| GCGebauer Company (1318002664) | Cleveland | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| GPGeon Performance Solutions | Avon Lake | OH | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| GIGojo Industries LLC | Cuyahoga Falls | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| GMGuardian Manufacturing Company, LLC | Willard | OH | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| HFHb Fuller CO | Blue Ash | OH | Chemical Manufacturing325520 | — | ◐ LIKELY ACTIVE |
| HAHuntsman Advanced Materials - Ashtabula | Ashtabula | OH | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| IAIneos Abs (usa) LLC - Addyston Plant | Addyston | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| IUIneos USA LLC | Lima | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| ICIntegris Composites, INC. | Hebron | OH | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| ICIsp Chemicals INC | Columbus | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| IEItw Evercoat, a Division of Iiiinois Tool Works, INC. (1431053385) | Blue Ash | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| JWJ.C. Whitlam Manufacturing Company | Wadsworth | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| KCKalcor Coatings CO | Willoughby | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| KGKdc/one Groveport | Groveport | OH | Chemical Manufacturing325611 | 500+ | ◐ LIKELY ACTIVE |
| KRKey Resin Company | Batavia | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| LILinde INC | Ashtabula | OH | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| LALubrizol Advanced Materials | Avon Lake | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| LALyondellbasell Advanced Polymers INC. (1677011002) | Akron | OH | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| MCMorral Companies LLC | Morral | OH | Chemical Manufacturing325314 | 100-499 | ◐ LIKELY ACTIVE |
| NCNagase Chemtex America | Delaware | OH | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| NANpa Automotive Finishes & Films | Cleveland | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| PHPerformance Health | Akron | OH | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| PCPeter Cremer North America - South Terminal | Cincinnati | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| PPPet Processors, L.l.c. (0243000165) | Painesville | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| PCPolynt Composites Usa, INC (0322020129) | Sandusky | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| PIPpg Industries | Circleville | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| PIPpg Industries, Barberton | Barberton | OH | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| PPP&t Products INC | Sandusky | OH | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| RDRemuriate Delta LLC | Delta | OH | Chemical Manufacturing325130 | — | ◐ LIKELY ACTIVE |
Renegade Materials Corporation | Miamisburg | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| RARevlis - Akron | Akron | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| RIRöchling Industrial Cleveland (1318544510) | South Euclid | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| RORutgers Organics CORP | Harrison | OH | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| SESew Eurodrive | Troy | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| SMShepherd Middletown Company | Middletown | OH | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| SSShin-Etsu Silicones of America, Inc. Damar | Akron | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| SSinkro | Cincinnati | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
| SCStruktol Company of America | Cuyahoga Falls | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SCStruktol Company of America (1) | Stow | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |