| SCSilox CORP | North Ridgeville | OH | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SESocial Eyez LLC | Cleveland Heights | OH | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| SOSOFIE - Oakwood Village | Oakwood Village | OH | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| SCState Chemical | Mayfield Heights | OH | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| SCState Cleaning | Cleveland | OH | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| SIState Industrial Product Hebron | Hebron | OH | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
Sun Chemical - Centron Place | Cincinnati | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Chickering Plant | Cincinnati | OH | Chemical Manufacturing325130 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Franklin Mfg | Franklin | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Ink Plant | Maumee | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Spring Grove Site Campus 2026 | Cincinnati | OH | Chemical Manufacturing325130 | 100-499 | ◐ LIKELY ACTIVE |
| SSSyensqo Specialty Polymers USA, L.L.C. | Marietta | OH | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| SISynthomer Inc - Mogadore Main Plant | Mogadore | OH | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Andersons Renewables, LLC - Greenville Facility | Greenville | OH | Chemical Manufacturing325193 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Armor Metal Group Acquisitions Inc | Lebanon | OH | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| TThermotec | Lorain | OH | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| TEThermotec - EP | East Palestine | OH | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| TRThe Ruscoe Company- Miller | Akron | OH | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Marysville | Marysville | OH | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Shreve | Shreve | OH | Chemical Manufacturing325314 | 20-99 | ◐ LIKELY ACTIVE |
| TSThe Sherwin-williams Company | Columbus | OH | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| TBTosoh Bioscience Inc. Grove City Ohio | Grove City | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| T3Tower 3 | Akron | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| TATremco AG | Cleveland | OH | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| USUpper Sandusky | Upper Sandusky | OH | Chemical Manufacturing325311 | 20-99 | ◐ LIKELY ACTIVE |
| UOUSA OH Cincinnati Plant | Cincinnati | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| UOUSA OH Columbus Plant | Columbus | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| UOUSA OH Grove City Plant | Grove City | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| UOUSA OH Massillon Plant | Massillon | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| VSValtris Specialty Chemicals | Walton Hills | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VSValtrs Specialty Chemicals | Cleveland | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| VTVibrantz Technologies | Cincinnati | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| VTVibrantz Technologies Forehearth Colorants | Orville | OH | Chemical Manufacturing325130 | 1-19 | ◐ LIKELY ACTIVE |
| VDVisual Detection Systems LLC | Minerva | OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| VBVOYANT Beauty LLC | New Albany | OH | Chemical Manufacturing325620 | 100-499 | ◐ LIKELY ACTIVE |
| VIVWR International - Aurora | Aurora | OH | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| WOWadsworth, OH | Wadsworth | OH | Chemical Manufacturing325910 | 1-19 | ◐ LIKELY ACTIVE |
| WHWarrensville Heights | Cleveland | OH | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| WPWashington Penn - WAPA | Wapakoneta | OH | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| WPWhydah Pharmaceuticals INC. | Sunbury | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| WCWiley Companies Coshocton | Coshocton | OH | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| WCWiley Companies New Albany | New Albany | OH | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| Wwli | Bowling Green | OH | Chemical Manufacturing325992 | 100-499 | ◐ LIKELY ACTIVE |
| WNWright Nutrition | Plain City | OH | Chemical Manufacturing325412 | 20-99 | ◐ LIKELY ACTIVE |
| ZTZafer Therapeutics INC | Cleveland | OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ZBZena Baby Soap CO | Bedford Heights | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| PCPeyen Cone LLC | Cincinnati | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| TPThe Procter & Gamble Distributing LLC | Cincinnati | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| APAmerican Paint Recyclers | Van Wert | OH | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| ALAplax LLC. | Fayette | OH | Chemical Manufacturing325991 | 1-19 | ◇ UNVERIFIED |