| DGDlubak Glass | Upper Sandusky | OH | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| EPEncore Precast, LLC | Dayton | OH | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| GCGlen-gery CORP | Galion | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| GDGraymont Dolime Oh INC * | Genoa | OH | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| HWHarbison Walker Refractories Plant | Windham | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| HUHolcim US - Paulding Plant (including Systech Env Corp) | Paulding | OH | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
Johns Manville International INC | Waterville | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◐ LIKELY ACTIVE |
Johns Manville International INC Plant No 8 | Defiance | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◐ LIKELY ACTIVE |
| MCMack Concrete | Akron | OH | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
Mack Industries, INC. | Valley City | OH | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
Momentive Performance Materials Quartz, INC. (0145000213) | Hebron | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| NMNextech Materials LTD | Lewis Center | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| OBOwens Brockway Glass Containers - Plant No 12 | Zanesville | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◐ LIKELY ACTIVE |
| OCOwens Corning (0142010065) | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◐ LIKELY ACTIVE |
| OCOwens Corning Insulating Systems, LLC | Newark | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◐ LIKELY ACTIVE |
| PNPilkington NA INC -rossford Facility | Rossford | OH | Nonmetallic Mineral Product Manufacturing327211 | — | ◐ LIKELY ACTIVE |
| PSPrestress Services Industries, LLC - Plant 6 | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| QTQuikrete - Toledo, Oh Plant | Toledo | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| RSRepublic Steel - Canton Facility | Canton | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| SBSlater Builders Supply | Logan | OH | Nonmetallic Mineral Product Manufacturing327120 | 1-19 | ◐ LIKELY ACTIVE |
| TBTri-county Block & Brick INC | Swanton | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| TCTri-county Concrete Company | Twinsburg | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| WCWestview Concrete CORP | Olmsted Falls | OH | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| BBBelden Brick CO Plant 4 | Sugarcreek | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| BBBelden Brick Plant 3 (0679005018) | Sugarcreek | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
Johns Manville - Waterville 07 (0448000013) | Waterville | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◐ LIKELY ACTIVE |
| MIMarietta Industrial Enterprises (0684000148) | Marietta | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Magnesia Specialties, LLC | Woodville | OH | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| STSummitville Tiles INC | Minerva | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| AWArmstrong World Industries INC | Hilliard | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 2 | Sugarcreek | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BCBelletech CORP | Bellefontaine | OH | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BSBowerston Shale CO | Newark | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BSBowerston Shale Company (0634000012) | Bowerston | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| DIDiamond Innovations INC | Worthington | OH | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| ECEdward C Levy INC | Canton | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FCFairborn Cement CO LLC | Xenia | OH | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| FPForterra Pipe & Precast, LLC - Macedonia Facility | Macedonia | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| GLGe Lucalox (0243160086) | Willoughby | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
High Concrete Group LLC (1483140150) | Springboro | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
Johns Manville Plant No 2 | Defiance | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| MPMansfield Plumbing Products INC China Division | Perrysville | OH | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| MIMilacron INC Consumable Prods Div | Cincinnati | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
Momentive Performance Materials Quartz INC. (1318558216) | Strongsville | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| PGPittsburgh Glass Works, LLC (0370000217) | Crestline | OH | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| RPResco Products INC (1576000771) | East Canton | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SCSika Corporation | Streetsboro | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SIStein INC | Middletown | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSuperior Clay CORP | Uhrichsville | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| VUVesuvius USA CORP. - Conneaut Plant (0204020036) | Conneaut | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |