| BSBowerston Shale CO | Newark | — | ◐ LIKELY ACTIVE |
| BSBowerston Shale Company (0634000012) | Bowerston | — | ◐ LIKELY ACTIVE |
| CICerco I, INC. Cesco Plant | Crooksville | 100–499 | ◐ LIKELY ACTIVE |
| DIDiamond Innovations INC | Worthington | — | ◐ LIKELY ACTIVE |
| ECEdward C Levy INC | Canton | — | ◐ LIKELY ACTIVE |
| FPForterra Pipe & Precast, LLC - Macedonia Facility | Macedonia | — | ◐ LIKELY ACTIVE |
| GLGe Lucalox (0243160086) | Willoughby | — | ◐ LIKELY ACTIVE |
High Concrete Group LLC (1483140150) | Springboro | — | ◐ LIKELY ACTIVE |
Johns Manville International INC Plant No 8 | Defiance | — | ◐ LIKELY ACTIVE |
Johns Manville Plant No 2 | Defiance | — | ◐ LIKELY ACTIVE |
| MIMarietta Industrial Enterprises (0684000148) | Marietta | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Magnesia Specialties, LLC | Woodville | — | ◐ LIKELY ACTIVE |
| MIMilacron INC Consumable Prods Div | Cincinnati | — | ◐ LIKELY ACTIVE |
| MSMiller Studio INC | New Philadelphia | 20–99 | ◐ LIKELY ACTIVE |
Momentive Performance Materials Quartz INC. (1318558216) | Strongsville | — | ◐ LIKELY ACTIVE |
| PGPittsburgh Glass Works, LLC (0370000217) | Crestline | — | ◐ LIKELY ACTIVE |
| RPResco Products INC (1576000771) | East Canton | — | ◐ LIKELY ACTIVE |
| SCSika Corporation | Streetsboro | — | ◐ LIKELY ACTIVE |
| SPSpoerr Pre-cast Structures LLC | Sandusky | 1–19 | ◐ LIKELY ACTIVE |
| SIStein INC | Middletown | — | ◐ LIKELY ACTIVE |
| STSummitville Tiles INC | Minerva | — | ◐ LIKELY ACTIVE |
| UCUniontown Concrete Products | Uniontown | 1–19 | ◐ LIKELY ACTIVE |
| VUVesuvius USA CORP. - Conneaut Plant (0204020036) | Conneaut | — | ◐ LIKELY ACTIVE |
| VRVon Roll Cleveland | Cleveland | — | ◐ LIKELY ACTIVE |
| AAARC Abrasives Inc. | Troy | 20–99 | ◐ LIKELY ACTIVE |
| BBBaxter Burial Vault | Cincinnati | 20–99 | ◐ LIKELY ACTIVE |
| BRBuckeye Ready-Mix, LLC Office | Reynoldsburg | 20–99 | ◐ LIKELY ACTIVE |
| ICIndustrial Ceramic Products, Inc. | Marysville | 20–99 | ◐ LIKELY ACTIVE |
Mirka USA INC | Twinsburg | — | ◐ LIKELY ACTIVE |
| PIPandrol Inc | Napoleon | 20–99 | ◐ LIKELY ACTIVE |
| PSPrestress Services Industries, LLC | Columbus | 20–99 | ◐ LIKELY ACTIVE |
| SRSardinia Ready Mix, Inc. | Sardinia | 20–99 | ◐ LIKELY ACTIVE |
| SRScioto Ready Mix | Pataskala | 20–99 | ◐ LIKELY ACTIVE |
| SSS & S Fastener Company | Cincinnati | 1–19 | ◐ LIKELY ACTIVE |
| UOUnilock, Ohio - Rittman | Rittman | 20–99 | ◐ LIKELY ACTIVE |
| BCBaird Concrete Products | Coshocton | 1–19 | ◐ LIKELY ACTIVE |
| ECElectrodyne CO INC | Batavia | 1–19 | ◐ LIKELY ACTIVE |
| KCKephaco Corporation | Canton | 20–99 | ◐ LIKELY ACTIVE |
| NINeyra Industries INC | Cincinnati | 100–499 | ◐ LIKELY ACTIVE |
| STSummitville Tiles INC | Summitville | 100–499 | ◐ LIKELY ACTIVE |
| CCContractors Choice Ready Mix Downtown Plant #4 | Cleveland | 20–99 | ◇ UNVERIFIED |
| CDCreative Design Marble, INC. | Centerville | 1–19 | ◇ UNVERIFIED |
| CSCrummitt & Son Vault CORP. | Martins Ferry | 1–19 | ◇ UNVERIFIED |
| ECExochem CORP | Lorain | 20–99 | ◇ UNVERIFIED |
| GFGuardian Fabrication INC * | Millbury | — | ◇ UNVERIFIED |
| HCHall China Company | East Liverpool | — | ◇ UNVERIFIED |
| LCLexington Concrete and Supply Company | Lexington | 1–19 | ◇ UNVERIFIED |
| MCMoritz Concrete, INC. | Mansfield | 20–99 | ◇ UNVERIFIED |
| OROhio Ready Mix INC | Huntsville | 20–99 | ◇ UNVERIFIED |
| PRPahl Ready Mix Concrete, INC. Plant 3 | Bryan | 20–99 | ◇ UNVERIFIED |