| CMCleveland Mica CO | Lakewood | — | ◐ LIKELY ACTIVE |
| CRCleveland Ready Mix Incorporated | Garfield Heights | — | ◐ LIKELY ACTIVE |
| HBHilltop Basic Resources INC. Downtown Ready Mix | Cincinnati | — | ◐ LIKELY ACTIVE |
| LNLafarge North America | Cleveland | — | ◐ LIKELY ACTIVE |
| PCPlibrico CO Firebrick Plant * | Oak Hill | — | ◐ LIKELY ACTIVE |
| SESystech Environmental Corporation (0363000046) | Paulding | — | ◐ LIKELY ACTIVE |
| TITms International, LLC | Broadview Heights | — | ◐ 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 |
| AIAli Industries, LLC | 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 |
| ABArmaly Brands LLC London Plant | London | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 6 | Sugarcreek | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 8 | Sugarcreek | — | ◇ 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 |
| CLClosed Loop Glass Solutions | Columbus | — | ◇ UNVERIFIED |
| CCContractors Choice Ready Mix Downtown Plant #4 | Cleveland | — | ◇ UNVERIFIED |
| CICorning Incorporated - Greenville, Oh | Greenville | — | ◇ UNVERIFIED |
| CSCrummitt & Son Vault CORP. | Martins Ferry | — | ◇ UNVERIFIED |
| CSCustar Stone CO INC Custar Plant | Custar | — | ◇ UNVERIFIED |
| CCCuyahoga Concrete Hummell Rd Plant | Brookpark | — | ◇ UNVERIFIED |
| DIDgm INC. | Jackson | — | ◇ UNVERIFIED |
| DIDgm, INC. Tow Path Ready Mix | Frankfort | — | ◇ UNVERIFIED |
| DED.r.s. Enterprises, INC. | Garfield Heights | — | ◇ UNVERIFIED |
| DQDutch Quality Stone INC | Mount Eaton | — | ◇ UNVERIFIED |
| EMErie Materials INC. | Sandusky | — | ◇ UNVERIFIED |
| FPFabcon Precast LLC | Grove City | — | ◇ UNVERIFIED |
| FMFoseco Metallurgical, INC. | Ashtabula | — | ◇ UNVERIFIED |
| FMFulton Mill Service CO | Delta | — | ◇ UNVERIFIED |
| GLGe Lighting CO Niles Mahoning Glass Plant | Niles | — | ◇ UNVERIFIED |
| GLGe Logan Glass Plant | Logan | — | ◇ UNVERIFIED |
| GCGlen-gery CORP Caledonia Plant | Caledonia | — | ◇ UNVERIFIED |
| GMGranger Materials, INC. | Cleveland | — | ◇ UNVERIFIED |
| GLGreat Lakes an Oldcastle Company | Sheffield | — | ◇ UNVERIFIED |
| GFGuardian Fabrication INC * | Millbury | — | ◇ UNVERIFIED |
| HCHall China Company | East Liverpool | — | ◇ UNVERIFIED |
