| VRVon Roll Cleveland | Cleveland | — | ◇ UNVERIFIED |
| AAARC Abrasives Inc. | Troy | 20–99 | ◐ LIKELY ACTIVE |
| ACAlkegen-SCI (Specialty Ceramics/Unifrax) | Columbiana | 20–99 | ◐ LIKELY ACTIVE |
| AMA & M Refractories, INC. | New Boston | 20–99 | ◐ LIKELY ACTIVE |
| AFApex Finishings LLC | New Albany | — | ◐ LIKELY ACTIVE |
| AAArea Aggregates LLC Woodville Site | Woodville | — | ◐ LIKELY ACTIVE |
| BRBuckeye Ready Mix - Plant 14 | Marion | — | ◐ LIKELY ACTIVE |
| BTBuckeye Transfer INC | Columbiana | — | ◐ LIKELY ACTIVE |
| CGCardinal Glass Industries | Utica | 20–99 | ◐ LIKELY ACTIVE |
 Carmeuse Lime, INC - Grand River Operations (0243030257) | Grand River | — | ◐ LIKELY ACTIVE |
| CBCarr Bros.,inc. | Walton Hills | — | ◐ LIKELY ACTIVE |
| CPCf Poeppelman INC. | Bradford | — | ◐ LIKELY ACTIVE |
| CLCgim, LLC | Cincinnati | — | ◐ LIKELY ACTIVE |
| CRCleanlites Recycling INC | Cincinnati | — | ◐ LIKELY ACTIVE |
| CQCMH Quikrete | Columbus | 20–99 | ◐ LIKELY ACTIVE |
| CPCVGP Pavestone | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| DMDistinctive Marble & Granite | Plain City | 20–99 | ◐ LIKELY ACTIVE |
| ECEi Ceramics LLC (1431404130) | Cincinnati | — | ◐ LIKELY ACTIVE |
| ECElyria Concrete INC. - Elyria | Elyria | — | ◐ LIKELY ACTIVE |
 E. R. Advanced Ceramics, Inc. | East Palestine | 20–99 | ◐ LIKELY ACTIVE |
| FPFairfield Plant | Fairfield | 1–19 | ◐ LIKELY ACTIVE |
| GGGlenny Glass CO. | Milford | 100–499 | ◐ LIKELY ACTIVE |
| HIHarbisonwalker international 1700 | South Point | 20–99 | ◐ LIKELY ACTIVE |
| HWHarbison Walker International Windham | Windham | 20–99 | ◐ LIKELY ACTIVE |
| IOImi Ohio, LLC - Milford | Milford | — | ◐ LIKELY ACTIVE |
| ICIndustrial Ceramic Products, Inc. | Marysville | 20–99 | ◐ LIKELY ACTIVE |
| KCKahle Company | Ottawa | 20–99 | ◐ LIKELY ACTIVE |
| KKKoch Knight, LLC (1576001851) | East Canton | — | ◐ LIKELY ACTIVE |
| KCKuhlman Corporation - Yard 1 | Toledo | 20–99 | ◐ LIKELY ACTIVE |
| LGLibbey Glass INC. | Toledo | — | ◐ LIKELY ACTIVE |
 Mack Industries of Bluffton | Bluffton | 1–19 | ◐ LIKELY ACTIVE |
| MSMelvin Stone Company LLC | Sabina | — | ◐ LIKELY ACTIVE |
| MAMidwest Acoust-a-fiber | Delaware | 100–499 | ◐ LIKELY ACTIVE |
| NLNational Lime & Stone CO Marion Plant | Marion | — | ◐ LIKELY ACTIVE |
| OBOldcastle Building Envelope | Perrysburg | — | ◐ LIKELY ACTIVE |
| RSRefectory Specialties incorporated | Sebring | 20–99 | ◐ LIKELY ACTIVE |
| RSRepublic Special Metals | Canton | — | ◐ LIKELY ACTIVE |
| SMShelly Materials, Inc. - Medina Supply Company | Medina | 20–99 | ◐ LIKELY ACTIVE |
| SCSuperior Clay Corporation | Uhrichsville | 20–99 | ◐ LIKELY ACTIVE |
| TCTenneco Corporation | Cambridge | — | ◐ LIKELY ACTIVE |
| TRTerminal Ready Mix INC | Lorain | — | ◐ LIKELY ACTIVE |
| TMThe Metal Building Interior Products Company | Elyria | — | ◐ LIKELY ACTIVE |
| USUS Steel Corporation | Lorain | — | ◐ LIKELY ACTIVE |
| VIVacuform Incorporated | Sebring | 20–99 | ◐ LIKELY ACTIVE |
| VFVibra Finish CO. | Hamilton | — | ◐ LIKELY ACTIVE |
| WHW.a. Hammond Drierite Co, Limited | Xenia | — | ◐ LIKELY ACTIVE |
| WCWest Carrollton Plant 164 | West Carrollton | 20–99 | ◐ LIKELY ACTIVE |
| AAAnchor Acquisition LLC | Lancaster | — | ◐ LIKELY ACTIVE |
| BRBaumann's Recycling Center | Garfield Heights | — | ◐ LIKELY ACTIVE |
| CLCarmeuse Lime, INC. - Maple Grove Operations | Tiffin | — | ◐ LIKELY ACTIVE |
