| BCBurley Clay Products Company, INC. | Roseville | 20–99 | ◐ LIKELY ACTIVE |
| CLCarmeuse Lime, INC. - Maple Grove Operations | Tiffin | — | ◐ LIKELY ACTIVE |
| CICerco I Inc., Diamonite Plant | Shreve | 100–499 | ◐ LIKELY ACTIVE |
| CRCleveland Ready Mix Incorporated | Garfield Heights | — | ◐ LIKELY ACTIVE |
| DQDutch Quality Stone INC | Mount Eaton | — | ◐ LIKELY ACTIVE |
| FMFulton Mill Service CO | Delta | — | ◐ LIKELY ACTIVE |
| GHGlenn Hunter & Associates | Delta | — | ◐ LIKELY ACTIVE |
| GMGmr Materials Technology (0679000307) | Bolivar | 20–99 | ◐ LIKELY ACTIVE |
| GDGranite Direct LLC | Columbus | 20–99 | ◐ LIKELY ACTIVE |
| HPHanson Pipe & Products Ohio INC | Columbus | — | ◐ LIKELY ACTIVE |
| HBHilltop Basic Resources INC. Downtown Ready Mix | Cincinnati | — | ◐ LIKELY ACTIVE |
| IOImi Ohio, LLC - Milford | Milford | — | ◐ LIKELY ACTIVE |
| LNLafarge North America | Cleveland | — | ◐ LIKELY ACTIVE |
| LGLibbey Glass INC. | Toledo | — | ◐ LIKELY ACTIVE |
| NNexceris | Lewis Center | 20–99 | ◐ LIKELY ACTIVE |
| NLNhmf, LLC | Columbus | — | ◐ LIKELY ACTIVE |
| NSNock & Son CO | Oak Hill | — | ◐ LIKELY ACTIVE |
| NNorthfield | Cincinnati | — | ◐ LIKELY ACTIVE |
| NANorthfield an Oldcastle Company | Sheffield Lake | — | ◐ LIKELY ACTIVE |
| OOOberfields - Obetz, Oh Hardscapes Plant | Columbus | — | ◐ LIKELY ACTIVE |
| OSOberfields - Sunbury, Oh Masonry Plant | Sunbury | — | ◐ LIKELY ACTIVE |
| PCPlibrico CO Firebrick Plant * | Oak Hill | — | ◐ LIKELY ACTIVE |
| QCQuikrete - Cincinnati, Oh Plant | Harrison | — | ◐ LIKELY ACTIVE |
| QCQuikrete - Cleveland, Oh Plant | Ravenna | — | ◐ LIKELY ACTIVE |
| QCQuikrete - Columbus, Oh Plant | Columbus | — | ◐ LIKELY ACTIVE |
| RSRepublic Special Metals | Canton | — | ◐ LIKELY ACTIVE |
| SCSrm Concrete - 25090 Rockport | Cleveland | — | ◐ LIKELY ACTIVE |
| SESystech Environmental Corporation (0363000046) | Paulding | — | ◐ LIKELY ACTIVE |
| TCTenneco Corporation | Cambridge | — | ◐ LIKELY ACTIVE |
| TITRDB Investments, LLC | Leetonia | — | ◐ LIKELY ACTIVE |
| VAVeitsch-radex America - Saybrook Plant (0204000450) | Ashtabula | — | ◐ LIKELY ACTIVE |
| WRWestlake Royal Stone, LLC - Wayne Co-westlake Royal Stone, LLC - Wayne County | Mt Eaton | — | ◐ LIKELY ACTIVE |
| ABAkron Brick & Block Inc.-akron Brick and Block INC. | Akron | — | ◇ UNVERIFIED |
| ABAkron Burial Vault CO. - Akron Crematory | Akron | — | ◇ UNVERIFIED |
| AIAli Industries, INC. (0829060557) | Fairborn | — | ◇ UNVERIFIED |
| ALAllegheny Ludlum CORP | Massillon | — | ◇ UNVERIFIED |
| ACAnderson Concrete Corp-plant #5 | Westerville | — | ◇ UNVERIFIED |
| ACAnderson Concrete Plant #9 | Johnstown | — | ◇ UNVERIFIED |
| AGAp Green Refractories | Oak Hill | — | ◇ UNVERIFIED |
| BBBelden Brick Plant 9 (0679005019) | Sugarcreek | — | ◇ UNVERIFIED |
| BCBelletech Corporation (0146010102) | Bellefontaine | — | ◇ UNVERIFIED |
| BABuckeye Abrasive, INC. | Barberton | — | ◇ UNVERIFIED |
| CBCantelli Block & Brick | Huron | — | ◇ UNVERIFIED |
Carmeuse Lime INC. - Huron Plant (0322010062) | Huron | — | ◇ UNVERIFIED |
Carmeuse Lime INC Millersville Operations (0372000081) | Millersville | — | ◇ UNVERIFIED |
| CLCarmeuse Lime Maple Grove Operations | Bettsville | — | ◇ UNVERIFIED |
| CHCedar Heights Clay CO (0640010010) | Oak Hill | — | ◇ UNVERIFIED |
| CRCimbar Resources, INC | Wellsville | — | ◇ UNVERIFIED |
| COCity of Dayton Lime Plant | Dayton | — | ◇ UNVERIFIED |
| CSCity Stone LLC | Milton, Township of | — | ◇ UNVERIFIED |